The Hetero Ring Is Six-membered Patents (Class 549/356)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/358)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/359)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/362)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/363)
- Three or more ring oxygens in the bicyclo ring system (Class 549/364)
- The ring oxygens are in the 1,2- or 1,3-positions of the hetero ring (Class 549/365)
- Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding (Class 549/366)
- Three or more ring oxygens in the hetero ring (Class 549/367)
- The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.) (Class 549/369)
- Plural hetero rings (Class 549/370)
- Nitrogen bonded directly to the hetero ring (Class 549/371)
- Chalcogen or -C(=X), wherein X is chalcogen, bonded directly to the hetero ring (Class 549/372)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/373)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/374)
- Preparing by reacting an aldehyde with a compound containing acyclic carbon to carbon unsaturation (Class 549/376)
- The ring oxygens are in the 1,4-positions of the hetero ring (e.g., 1,4 dioxane, etc.) (Class 549/377)
- Pentacyclo ring system having the hetero ring as one of the cyclos (Class 549/382)
- Tetracyclo ring system having the hetero ring as one of the cyclos (Class 549/383)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/385)
- 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.) (Class 549/386)
- Plural ring oxygens in the tricyclo ring system (Class 549/387)
- The tricyclo ring system consists of three six-membered cyclos (e.g., xanthene, etc.) (Class 549/388)
- Acyclic chalcogen bonded directly to the hetero ring (Class 549/395)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/396)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/397)
- The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring (Class 549/398)
- Chalcogen bonded directly to the hetero ring (Class 549/399)
- Nitrogen bonded directly to the bicyclo ring system (Class 549/404)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system (Class 549/405)
- Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.) (Class 549/406)
- Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding (Class 549/407)
- Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) (Class 549/408)
- Chalcogen double bonded or plural chalcogens bonded directly to the carbocyclic ring (e.g., coenzyme Q, etc.) (Class 549/409)
- 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.) (Class 549/410)
- Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.) (Class 549/411)
- Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.) (Class 549/412)
- Purification or recovery (Class 549/413)
- Plural chalcogens bonded directly to the hetero ring (Class 549/417)
- Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/419)
- Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/420)
- Alicyclic ring bonded directly to the chalcogen (Class 549/421)
- 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.) (Class 549/422)
- 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) (Class 549/423)