The Bicyclo Ring System Consists Of The Hetero Ring And A Six-membered Carbocyclic Ring Patents (Class 549/398)
- 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)