ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

Sub-classifications for 549
ClassificationsCodeApplicationsSubscribe
 
Sulfur containing hetero ring (e.g., thiiranes, etc.)549/0010000
 
With preservative or stabilizer549/0020000
 
Heavy metal or aluminum containing549/0030000
 
Boron or silicon containing549/0040000
 
Phosphorus attached directly or indirectly to the hetero ring by nonionic bonding549/0050000
 
The hetero ring is five-membered549/0060000
 
Plural ring hetero atoms in the hetero ring549/0070000
 
Four chalcogens bonded directly to the same phosphorus549/0080000
 
The hetero ring has at least seven members549/0090000
 
Plural ring hetero atoms in the hetero ring549/0100000
 
Plural ring sulfurs in the hetero ring549/0110000
 
Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos549/0120000
 
The hetero ring is six-membered549/0130000
 
Plural ring hetero atoms in the hetero ring549/0140000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/0150000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/0160000
 
Plural ring sulfurs in the hetero ring549/0170000
 
Three or more ring hetero atoms in the hetero ring549/0180000
 
Plural ring sulfurs in the hetero ring549/0190000
 
Two ring sulfurs in the hetero ring549/0200000
 
Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding549/0210000
 
Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding549/0220000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/0230000
 
The polycyclo ring system has at least four cyclos549/0240000
 
Chalcogen attached directly to the hetero ring by nonionic bonding549/0250000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/0260000
 
Chalcogen attached directly to the hetero ring by nonionic bonding549/0270000
 
Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding549/0280000
 
The hetero ring is five-membered549/0290000
 
Plural ring hetero atoms in the hetero ring549/0300000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/0310000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/0320000
 
Chalcogen attached directly to the hetero ring by nonionic bonding549/0330000
 
Three or more ring hetero atoms in the hetero ring549/0340000
 
Two ring sulfurs in the hetero ring549/0350000
 
Chalcogen bonded directly to ring carbon of the hetero ring549/0360000
 
Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding549/0370000
 
Nitrogen attached directly to the hetero ring by nonionic bonding549/0380000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/0390000
 
Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding549/0400000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/0410000
 
Tetracyclo ring system having the hetero ring as one of the cyclos549/0420000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/0430001
 
Chalcogen attached directly to the tricyclo ring system by nonionic bonding549/0440000
 
Chalcogen attached directly to the hetero ring by nonionic bonding549/0450000
 
Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding549/0460000
 
Halogen attached directly to the tricyclo ring system by nonionic bonding549/0470000
 
Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding549/0480000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/0490000
 
Plural ring hetero atoms in the bicyclo ring system549/0500000
 
Chalcogen attached directly to the bicyclo ring system by nonionic bonding549/0510000
 
Chalcogen attached directly to the hetero ring by nonionic bonding549/0520000
 
Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding549/0530000
 
Plural chalcogens bonded directly to the bicyclo ring system549/0540000
 
Nitrogen attached directly or indirectly to the bicyclo ring system by nonionic bonding549/0550000
 
Halogen attached directly or indirectly to the bicyclo ring system by nonionic bonding549/0560000
 
Nitrogen or a -C(=X)- group, wherein X is chalcogen, attached directly to the bicyclo ring system by nonionic bonding549/0570000
 
Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding549/0580000
 
Additional hetero ring containing549/0590000
 
Ring oxygen in the additional hetero ring549/0600000
 
Cyano bonded directly to the hetero ring549/0610000
 
Chalcogen bonded directly to ring carbon of the hetero ring549/0620000
 
Nitrogen attached directly to the hetero ring by nonionic bonding549/0630000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/0640000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/0650000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/0660000
 
Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding549/0670000
 
Nitrogen attached directly to the hetero ring by nonionic bonding549/0680000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen549/0690000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/0700000
 
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/0710000
 
Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding549/0720000
 
Halogen attached directly or indirectly to the hetero ring by nonionic bonding549/0730000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/0740000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/0750000
 
The chalcogen, X, is in a -C(=X)- group549/0760000
 
Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing549/0770000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/0780000
 
The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/0790000
 
Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing549/0800000
 
Halogen attached directly to the hetero ring by nonionic bonding549/0810000
 
Three or more halogens attached directly to the hetero ring by nonionic bonding549/0820000
 
The compound consists of the ring sulfur, carbon, and hydrogen549/0830000
 
Process of forming the hetero ring from acyclic reactants only549/0840000
 
Metal containing catalyst utilized549/0850000
 
Process of alkylating the hetero ring549/0860000
 
Plural chalcogens double bonded directly to ring sulfur of the hetero ring549/0870000
 
The hetero ring is four-membered549/0880000
 
Plural ring hetero atoms in the hetero ring549/0890000
 
The hetero ring is three-membered and has chalcogen or nitrogen attached directly or indirectly thereto by nonionic bonding549/0900000
 
Oxygen containing hetero ring (e.g., dioxirane, etc.)549/2000000
 
With preservative or stabilizer549/2010000
 
Oxirane containing compound with preservative or stabilizer549/2020000
 
Cyclic anhydride containing compound with preservative or stabilizer549/2030000
 
Lactone containing compound with preservative or stabilizer549/2040000
 
Compound in which the hetero ring is five-membered with preservative or stabilizer549/2050000
 
Heavy metal or aluminum containing549/2060000
 
Arsenic containing549/2070000
 
The hetero ring has three members or at least seven members549/2080000
 
The metal is bonded directly to carbon, which carbon is a ring carbon of the hetero ring or which carbon is attached directly or indirectly to the hetero ring by nonionic bonding549/2090000
 
The metal is bonded directly to chalcogen, which chalcogen is attached directly or indirectly to the hetero ring by nonionic bonding549/2100000
 
The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/2110000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/2120000
 
Boron containing549/2130000
 
Silicon containing549/2140000
 
Oxirane ring containing549/2150000
 
Phosphorus bonded directly to the hetero ring549/2160000
 
Oxirane ring containing549/2170000
 
Phosphorus attached indirectly to the hetero ring by nonionic bonding549/2180000
 
Oxirane ring containing549/2190000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/2200000
 
Plural ring oxygens in the hetero ring549/2210000
 
Chalcogen bonded directly to the hetero ring549/2220000
 
Xanthene ring system having a benzene ring bonded directly thereto para to the xanthene ring oxygen, wherein the carbon of a -COO- group is bonded directly to the benzene ring ortho to its position of attachment to the xanthene ring system, and spirolactone derivatives thereof (e.g., fluoresceins, chlorofluorans, etc.)549/2230000
 
The xanthene ring system is three cyclos of a polycyclo ring system having at least four rings (e.g., benz(c)fluorans, etc.)549/2240000
 
Nitrogen bonded directly to the xanthene ring system (e.g., rhodols, aminofluorans, etc.)549/2250000
 
Plural nitrogens bonded directly to the xanthene ring system (e.g., 2,6 diaminofluorans, etc.)549/2260000
 
Rhodamines549/2270000
 
The hetero ring contains -O-C(=X)-O- as part of its structure, wherein X is chalcogen (e.g., cyclic carbonates, etc.)549/2280001
 
The hetero ring is five-membered549/2290000
 
The five-membered hetero ring, except for the =X to the ring, is unsubstituted or hydrocarbyl substituted only549/2300000
 
Cyclic anhydrides (i.e., -C(=X)OC(=X)-, wherein the X's are the same or diverse chalcogens, is part of the hetero ring)549/2310000
 
The cyclic anhydride has at least six members and is a cyclo in a polycyclo ring system549/2320000
 
The cyclic anhydride is five-membered (e.g., succinic anhydride, etc.)549/2330000
 
Polycyclo ring system having the cyclic anhydride as one of the cyclos549/2340000
 
Tetracyclo ring system having the cyclic anhydride as one of the cyclos549/2350000
 
Tricyclo ring system having the cyclic anhydride as one of the cyclos549/2360000
 
Two of the cyclos share at least three ring members (i.e., bridged)549/2370000
 
Halogen bonded directly to the tricyclo ring system549/2380000
 
Plural ring oxygens in the tricyclo ring system549/2390000
 
Bicyclo ring system having the cyclic anhydride as one of the cyclos549/2400000
 
Plural bicyclo ring systems each having the cyclic anhydride as one of the cyclos549/2410000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to at least one of the bicyclo ring systems549/2420000
 
Nitrogen or additional chalcogen bonded directly to the bicyclo ring system549/2430000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system549/2440000
 
The -C(=X)- is part of a -C(=X)XH group, wherein the X's are the same or diverse chalcogens, or salt thereof (e.g., trimellitic anhydride, etc.)549/2450000
 
Halogen bonded directly to the bicyclo ring system549/2460000
 
Phthalic anhydride per se549/2470000
 
Preparing by oxidation549/2480000
 
Fluidized catalyst549/2490000
 
Purification or recovery549/2500000
 
By chemical reaction of impurity in presence of added chemical substance549/2510000
 
Plural hetero rings549/2520000
 
Nitrogen or additional chalcogen attached directly or indirectly to the cyclic anhydride by nonionic bonding549/2530000
 
Halogen attached directly or indirectly to the cyclic anhydride by nonionic bonding549/2540000
 
Acyclic carbon chain containing carbon to carbon unsaturation bonded directly to the cyclic anhydride549/2550000
 
Preparing by oxidation549/2560000
 
Of benzene or hydrocarbyl substituted benzene549/2570000
 
Of acyclic or alicyclic hydrocarbon549/2580000
 
Vanadium and phosphorus, in compound or elemental form, utilized549/2590000
 
Additional heavy metal, other than titanium, utilized549/2600000
 
Double bond between ring members of the cyclic anhydride549/2610000
 
Maleic anhydride per se549/2620000
 
Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring)549/2630000
 
Spiro549/2640000
 
The spiro includes the lactone ring549/2650000
 
The lactone ring has at least seven members549/2660000
 
Plural ring oxygens in the lactone ring549/2670000
 
Polycyclo ring system having the lactone ring as one of the cyclos549/2680000
 
Bicyclo ring system having the lactone ring as one of the cyclos549/2690000
 
Additional acyclic chalcogen bonded directly to the lactone ring (e.g., zearalanone, etc.)549/2700000
 
Additional chalcogen attached directly or indirectly to the lactone ring by nonionic bonding549/2710000
 
Preparing from a cyclic ketone (i.e., a ketone where the carbonyl is part of a ring)549/2720000
 
The lactone ring is six-membered549/2730000
 
Plural ring oxygens in the lactone ring549/2740000
 
Polycyclo ring system having the lactone ring as one of the cyclos549/2750000
 
Tetracyclo ring system having the lactone ring as one of the cyclos549/2760000
 
The tetracyclo ring system consists of four six-membered cyclos549/2770000
 
At least two additional chalcogens bonded directly to the tetracyclo ring system549/2780000
 
Ring oxygen bonded directly to ring carbon which is a member of two cyclos in the tetracyclo ring system549/2790000
 
Tricyclo ring system having the lactone ring as one of the cyclos549/2800000
 
Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)549/2810000
 
Plural ring oxygens in the tricyclo ring system549/2820000
 
Bicyclo ring system having the lactone ring as one of the cyclos549/2830000
 
Plural bicyclo ring systems each having the lactone ring as one of the cyclos549/2840000
 
Additional acyclic chalcogen bonded directly to the lactone ring549/2850000
 
Benzene ring and the lactone ring bonded directly to the same acyclic carbon549/2860000
 
Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring549/2870000
 
Nitrogen bonded directly to the bicyclo ring system549/2880000
 
The other cyclo of the bicyclo ring system is a six-membered carbocyclic ring to which chalcogen is directly attached549/2890000
 
The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only549/2900000
 
Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring549/2910000
 
Additional chalcogen bonded directly to the lactone ring549/2920000
 
Nitrogen attached directly or indirectly to the lactone ring by nonionic bonding549/2930000
 
Double bond between ring members of the lactone ring549/2940000
 
The lactone ring is five-membered549/2950000
 
Plural ring oxygens in the lactone ring549/2960000
 
Polycyclo ring system having the lactone ring as one of the cyclos549/2970000
 
Tetracyclo ring system having the lactone ring as one of the cyclos549/2980000
 
Tricyclo ring system having the lactone ring as one of the cyclos549/2990000
 
Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)549/3000000
 
The tricyclo ring system consists of the lactone ring, a five-membered carbocyclic ring, and a three-membered carbocyclic ring549/3010000
 
Bicyclo ring system having the lactone ring as one of the cyclos549/3020000
 
Nitrogen bonded directly to the lactone ring549/3030000
 
Nitrogen attached indirectly to the lactone ring by acyclic nonionic bonding549/3040000
 
Chalcogen attached indirectly to the lactone ring by acyclic nonionic bonding549/3050000
 
Plural ring oxygens in the bicyclo ring system549/3060000
 
The other cyclo of the bicyclo ring system is benzene (e.g., phthalides, etc.)549/3070000
 
Two carbocyclic rings bonded directly to the same ring atom of the lactone ring549/3080000
 
Nitrogen bonded directly to each of the carbocyclic rings549/3090000
 
Additional chalcogen bonded directly to the bicyclo ring system549/3100000
 
The bicyclo ring system consists of two five-membered rings549/3110000
 
Acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the lactone ring by nonionic bonding549/3120000
 
Additional chalcogen bonded directly to the lactone ring549/3130000
 
At least two additional chalcogens bonded directly to the lactone ring549/3140000
 
Double bond between ring members of the lactone ring or chalcogen double bonded directly at the 3- or 4-position of the lactone ring (e.g., ascorbic acid, etc.)549/3150000
 
Amine addition salts549/3160000
 
Sulfur or -C(=X)-, wherein X is chalcogen, bonded directly to acyclic chalcogen549/3170000
 
Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the lactone ring by nonionic bonding549/3180000
 
Plural alkyl groups bonded directly to the same ring carbon of the lactone ring (e.g., pantolactone, etc.)549/3190000
 
Plural hetero rings549/3200000
 
Nitrogen attached directly or indirectly to the lactone ring by acyclic nonionic bonding549/3210000
 
Having -C(=X), wherein X is chalcogen, bonded directly to the lactone ring549/3220000
 
Chalcogen attached indirectly to the lactone ring by nonionic bonding549/3230000
 
Halogen attached directly or indirectly to the lactone ring by nonionic bonding549/3240000
 
Preparing by hydrogenation of cyclic anhydrides549/3250000
 
Preparing from compound containing -COO- group549/3260000
 
Acyclic carbon double bonded directly to a ring carbon of a four-membered lactone ring549/3270000
 
Four-membered lactone ring formed549/3280000
 
From a ketene (HCH=C=O, wherein H may be substituted)549/3290000
 
Spiro549/3300000
 
The spiro includes a hetero ring549/3310000
 
The spiro includes a three- or four-membered hetero ring549/3320000
 
Plural ring oxygens in a spiro hetero ring549/3330000
 
Both rings which form the spiro are hetero rings549/3340000
 
Two six-membered hetero rings, which each contain plural ring oxygens, form the spiro (e.g., spirobi-(meta-dioxane), etc.)549/3350000
 
Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos549/3360000
 
Additional hetero ring containing549/3370000
 
Plural five-membered hetero rings549/3380000
 
Spiro ring is a cyclo in a tricyclo-carbocyclic ring system549/3390000
 
Acyclic -C(=X)-, wherein X is chalcogen, containing549/3400000
 
The spiro hetero ring is five-membered549/3410000
 
Acyclic -C(=X)-, wherein X is chalcogen, containing549/3420000
 
Both rings which form the spiro are hetero rings549/3430000
 
Polycyclo ring system having one of the two hetero rings which form the spiro as one of the cyclos549/3440000
 
Bicyclo ring system having the spiro hetero ring as one of the cyclos (e.g., griseofulvin, etc.)549/3450000
 
The hetero ring has at least seven members549/3460000
 
Plural ring oxygens in the hetero ring549/3470000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/3480000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/3490000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/3500000
 
Three or more ring oxygens in the bicyclo ring system549/3510000
 
Three or more ring oxygens in the hetero ring549/3520000
 
Exactly four oxygens in the hetero ring549/3530000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/3540000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/3550000
 
The hetero ring is six-membered549/3560000
 
Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.)549/3570000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/3580000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/3590000
 
Two of the cyclos share at least three ring members (i.e., bridged)549/3600000
 
Three or more ring oxygens in the tricyclo ring system (e.g., actinospectacin, etc.)549/3610000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/3620000
 
The two cyclos share at least three ring members (i.e., bridged)549/3630000
 
Three or more ring oxygens in the bicyclo ring system549/3640000
 
The ring oxygens are in the 1,2- or 1,3-positions of the hetero ring549/3650000
 
Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding549/3660000
 
Three or more ring oxygens in the hetero ring549/3670000
 
Trioxane per se549/3680000
 
The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.)549/3690000
 
Plural hetero rings549/3700000
 
Nitrogen bonded directly to the hetero ring549/3710000
 
Chalcogen or -C(=X), wherein X is chalcogen, bonded directly to the hetero ring549/3720000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/3730000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/3740000
 
The chalcogen, X, is in a -C(=X)- group549/3750000
 
Preparing by reacting an aldehyde with a compound containing acyclic carbon to carbon unsaturation549/3760000
 
The ring oxygens are in the 1,4-positions of the hetero ring (e.g., 1,4 dioxane, etc.)549/3770000
 
Chalcogen attached directly or indirectly to the hetero ring by nonionic bonding549/3780000
 
Plural chalcogens bonded directly to the hetero ring549/3790000
 
Halogen attached directly or indirectly to the hetero ring by nonionic bonding549/3800000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/3810000
 
Pentacyclo ring system having the hetero ring as one of the cyclos549/3820000
 
Tetracyclo ring system having the hetero ring as one of the cyclos549/3830000
 
The tetracyclo ring system consists of four six-membered cyclos549/3840000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/3850000
 
Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)549/3860000
 
Plural ring oxygens in the tricyclo ring system549/3870000
 
The tricyclo ring system consists of three six-membered cyclos (e.g., xanthene, etc.)549/3880000
 
Naphtho-pyrans (including hydrogenated)549/3890000
 
Dibenzo(b,d)pyrans (including hydrogenated)549/3900000
 
Plural chalcogens bonded directly to the tricyclo ring system549/3910000
 
Chalcogen bonded directly to the hetero ring549/3920000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the tricyclo ring system549/3930000
 
Nitrogen bonded directly to the tricyclo ring system549/3940000
 
Acyclic chalcogen bonded directly to the hetero ring549/3950000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/3960000
 
The two cyclos share at least three ring members (i.e., bridged)549/3970000
 
The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring549/3980000
 
Chalcogen bonded directly to the hetero ring549/3990000
 
Plural chalcogens bonded directly to the hetero ring549/4000000
 
Chalcogen bonded directly to the ring carbon para to the ring oxygen (e.g., chromones, etc.)549/4010000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/4020000
 
Benzene ring bonded directly to the hetero ring (e.g., flavones, etc.)549/4030000
 
Nitrogen bonded directly to the bicyclo ring system549/4040000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system549/4050000
 
Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.)549/4060000
 
Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding549/4070000
 
Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.)549/4080000
 
Chalcogen double bonded or plural chalcogens bonded directly to the carbocyclic ring (e.g., coenzyme Q, etc.)549/4090000
 
Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.)549/4100000
 
Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.)549/4110000
 
Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.)549/4120000
 
Purification or recovery549/4130000
 
Plural hetero rings549/4140000
 
Plural six-membered hetero rings549/4150000
 
Chalcogen bonded directly to the hetero ring549/4160000
 
Plural chalcogens bonded directly to the hetero ring549/4170000
 
Hydroxy bonded directly at the 3-position and oxygen double bonded directly at the 4-position of the hetero ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)549/4180000
 
Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding549/4190000
 
Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by acyclic nonionic bonding549/4200000
 
Alicyclic ring bonded directly to the chalcogen549/4210000
 
Five-membered carbocyclic ring having the hetero ring as part of one substituent and -COO- as part of another substituent (e.g., prostaglandin intermediates, etc.)549/4220000
 
Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)549/4230000
 
Nitrogen bonded directly to the hetero ring549/4240000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/4250000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/4260000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/4270000
 
Halogen attached directly or indirectly to the hetero ring by nonionic bonding549/4280000
 
The hetero ring is five-membered549/4290000
 
Plural ring oxygens in the hetero ring549/4300000
 
Three or more ring oxygens in the hetero ring (e.g., ozonides, etc.)549/4310000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/4320000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/4330000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/4340000
 
Plural hetero rings549/4350000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system549/4360000
 
Acyclic chalcogen bonded directly to the bicyclo ring system549/4370000
 
Having -C(=X)-, wherein X is chalcogen, attached indirectly to the bicyclo ring system by nonionic bonding549/4380000
 
Nitrogen bonded directly to the bicyclo ring system549/4390000
 
Nitrogen attached indirectly to the bicyclo ring system by nonionic bonding549/4400000
 
The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen549/4410000
 
The nitrogen is attached directly to carbon by a double or triple bond549/4420000
 
Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding549/4430000
 
The chalcogen, X, is in a -C(=X)- group549/4440000
 
Chalcogen attached indirectly to the ring system by nonionic bonding549/4450000
 
The chalcogen, X, is in a -C(=X)- group549/4460000
 
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/4470000
 
Plural hetero rings549/4480000
 
Nitrogen or chalcogen bonded directly to the hetero ring549/4490000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/4500000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/4510000
 
The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen549/4520000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/4530000
 
The chalcogen, X, is in a -C(=X)- group549/4540000
 
Halogen attached directly or indirectly to the hetero ring by nonionic bonding549/4550000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/4560000
 
Tetracyclo ring system having the hetero ring as one of the cyclos549/4570000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/4580000
 
Two of the cyclos share at least three ring members (i.e., bridged)549/4590000
 
Dibenzofurans (including hydrogenated)549/4600000
 
Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding549/4610000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/4620000
 
The two cyclos share at least three ring members (i.e., bridged)549/4630000
 
Plural ring oxygens in the bicyclo ring system549/4640000
 
The bicyclo ring system consists of two five-membered cyclos549/4650000
 
Acyclic chalcogen bonded directly to the hetero ring549/4660000
 
Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding549/4670000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/4680000
 
Benzene ring bonded directly to the hetero ring549/4690000
 
Chalcogen of -C(=X)X-, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system549/4700000
 
Plural double bonds between ring members of the hetero ring549/4710000
 
Plural hetero rings549/4720000
 
Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding549/4730000
 
Cyano bonded directly to the hetero ring549/4740000
 
Chalcogen bonded directly to the hetero ring549/4750000
 
Plural chalcogens bonded directly to the hetero ring549/4760000
 
Chalcogen double bonded directly to the hetero ring549/4770000
 
Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding549/4780000
 
Double bond between ring members of the hetero ring549/4790000
 
Nitrogen bonded directly to the hetero ring549/4800000
 
Nitro bonded directly to the hetero ring549/4810000
 
The hetero ring and an additional nitrogen are bonded directly to the same carbon549/4820000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/4830000
 
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/4840000
 
Plural -C(=X)X- groups bonded directly to the hetero ring549/4850000
 
The carbon of the -C(=X)X- group is bonded directly at the 3-position of the hetero ring549/4860000
 
Nitrogen bonded directly to the -C(=X)- group549/4870000
 
Additional chalcogen attached indirectly to the hetero ring by nonionic bonding549/4880000
 
Preparation of furfural (i.e., furan-2-aldehyde)549/4890000
 
Purification or recovery of furfural549/4900000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/4910000
 
Nitrogen and the hetero ring are single bonded directly to the same acyclic saturated hydrocarbon group549/4920000
 
The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen549/4930000
 
Having -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding549/4940000
 
Chalcogen attached indirectly to the hetero ring by acyclic nonionic bonding549/4950000
 
Having -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding549/4960000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/4970000
 
The chalcogen, X, is in a -C(=X)- group549/4980000
 
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/4990000
 
Plural -C(=X)X- groups attached indirectly to the hetero ring by nonionic bonding549/5000000
 
Additional chalcogen attached indirectly to the hetero ring by nonionic bonding549/5010000
 
Plural chalcogens attached indirectly to the hetero ring by nonionic bonding549/5020000
 
Preparing by hydrogenation of furfural549/5030000
 
Halogen attached directly or indirectly to the hetero ring by nonionic bonding549/5040000
 
Plural double bonds between ring members of the hetero ring549/5050000
 
Hydrocarbyl substituted549/5060000
 
One double bond between ring members of the hetero ring549/5070000
 
Preparing from compound containing -COO- group549/5080000
 
Preparing from a hydroxy containing compound549/5090000
 
The hetero ring is four-membered549/5100000
 
Sulfur or halogen attached directly or indirectly to the hetero ring by nonionic bonding549/5110000
 
The hetero ring is three-membered consisting of one oxygen and two carbons549/5120000
 
Processes549/5130000
 
Epihalohydrin, glycerol monohalohydrin or glycerol dihalohydrin reactant549/5140000
 
Glycidyl ester formed by bonding the oxy of a -COO- group directly to an acyclic carbon which is bonded directly to an oxirane ring549/5150000
 
Glycidyl ether formed by bonding oxygen directly to an acyclic carbon which is bonded directly to an oxirane ring549/5160000
 
Phenolic ether formed549/5170000
 
Oxirane ring formed549/5180000
 
Carbonyl of aldehyde or ketone reacted to form oxirane ring549/5190000
 
By dehydrohalogenation of a halohydrin or by reacting a hypohalite or hypohalous acid with an ethylenically unsaturated compound at the site of unsaturation549/5200000
 
Oxirane ring and chalcogen, cyano, nitrogen, or halogen are bonded directly to the same carbon (e.g., glycidyl ester formed, etc.)549/5210000
 
Oxirane ring is unsubstituted or hydrocarbyl substituted only549/5220000
 
Epoxidation at site of ethylenic unsaturation549/5230000
 
Liquid phase epoxidation549/5240000
 
Organic peracid utilized549/5250000
 
In situ formation of the organic peracid from carboxylic acid and hydrogen peroxide549/5260000
 
Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof549/5270000
 
Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof549/5280000
 
Organic hydroperoxide reactant549/5290000
 
Boron containing catalyst utilized549/5300000
 
Hydrogen peroxide utilized549/5310000
 
Air or molecular oxygen utilized549/5320000
 
Heavy metal containing catalyst utilized549/5330000
 
Silver containing catalyst utilized549/5340000
 
Fluidized catalyst549/5350000
 
Additional heavy metal containing material utilized (e.g., promoter which contains heavy metal utilized, etc.)549/5360000
 
Group IIA light metal containing material utilized549/5370000
 
Purification or recovery549/5380000
 
Ether or -COO- group formed549/5390000
 
Isomerization, halogenation, hydrogenation, or dehydrohalogenation to form compound549/5400000
 
Purification or recovery549/5410000
 
By adsorption or by chemical reaction with impurity549/5420000
 
Polycyclo ring system having the hetero ring as one of the cyclos549/5430000
 
Tetracyclo ring system having the hetero ring as one of the cyclos549/5440000
 
Tricyclo ring system having the hetero ring as one of the cyclos549/5450000
 
Bicyclo ring system having the hetero ring as one of the cyclos549/5460000
 
Plural bicyclo ring systems each having a hetero ring as one of the cyclos549/5470000
 
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring549/5480000
 
The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/5490000
 
Cyano, nitrogen, or halogen bonded directly to the hetero ring549/5500000
 
Nitrogen attached indirectly to the hetero ring by nonionic bonding549/5510000
 
Cyano or nitrogen and the hetero ring bonded directly to the same carbon549/5520000
 
The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen549/5530000
 
Chalcogen attached indirectly to the hetero ring by nonionic bonding549/5540000
 
Chalcogen and the hetero ring bonded directly to the same carbon (e.g., glycidyl ethers, etc.)549/5550000
 
Sulfur or -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding549/5560000
 
The chalcogen, X, is part of a -C(=X)X- group or a -X-X- group, wherein the X's are the same or diverse chalcogens (e.g., -COO-HCH-oxirane, etc.)549/5570000
 
Halogen attached indirectly to the hetero ring by nonionic bonding549/5580000
 
Carbocyclic ring containing549/5590000
 
Carbocyclic ring containing549/5600000
 
The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens549/5610000
 
Additional -C(=X)- or other sulfur attached indirectly to the hetero ring549/5620000
 
Halogen attached indirectly to the hetero ring by nonionic bonding549/5630000
 
CLASS-RELATED FOREIGN DOCUMENTS549/FOR0000