Carbon Bonded Directly At The 17-beta-position Of The Cyclopentanohydrophenanthrene Ring System Is A Member Of An Acyclic Chain Of Two Uninterrupted Carbons (e.g., Pregnanes, Etc.) Patents (Class 552/557)
- Oxygen bonded directly at the 1-, 2- or 4-position (Class 552/560)
- Oxygen bonded directly at the 6-position (Class 552/561)
- Oxygen bonded directly at the 7-, 8- or 9-position (Class 552/562)
- Oxygen bonded directly at the 14- or 15-position (Class 552/563)
- Oxygen bonded directly at the 16-position (Class 552/564)
- Halogen bonded directly at the 2- or 4-position (e.g., 4-bromocortisones, etc.) (Class 552/567)
- Oxygen bonded directly at the 3-, 11-, and 17-positions (Class 552/569)
- Oxygen bonded directly at the 21-position (Class 552/570)
- Carbon bonded directly at the 1-, 2- or 4-position (Class 552/571)
- Carbon or halogen bonded directly at the 6- or 7-position (Class 552/572)
- Carbon bonded directly at the 16-position (e.g., betamethasones, dexamethasones, etc.) (Class 552/574)
- Nitrogen or sulfur containing (Class 552/575)
- Unsaturation between the 1- and 2-positions and the 4- and 5-positions (e.g., prednisones, prednisolones, etc.) (Class 552/576)
- Unsaturation between the 4- and 5-positions (e.g., cortisones, etc.) (Class 552/577)
- The cyclopentanohydrophenanthrene ring system is fully saturated (Class 552/579)
- Carbon or halogen bonded directly at the 6- or 7-position (Class 552/580)
- Unsaturation between the 4- and 5-positions (e.g., 21-thiol prednisones, 21 thio cortisones, etc.) (Class 552/581)
- Oxygen bonded directly at the 5-, 6- or 7-position (Class 552/583)
- Oxygen bonded directly at the 12-position (Class 552/584)
- Oxygen bonded directly at the 15- or 16-position (Class 552/585)
- Oxygen bonded directly at the 3- and 11-position (Class 552/586)
- Oxygen bonded directly at the 3- and 17-positions (Class 552/592)
- Oxygen bonded directly at the 21-position (Class 552/600)
- Carbon or halogen bonded directly at the 1-, 2-, 3-, 4- or 5-position (Class 552/603)
- Carbon bonded directly at the 16-position (e.g., 16-cyanopregn-4-ene-3, 20 diones, etc.) (Class 552/604)
- Carbon or halogen bonded directly at the 6- or 7-position (Class 552/605)
- Unsaturation between the 5- and 6-positions (e.g., pregnenolones, etc.) (Class 552/606)
- Unsaturation between the 4- and 5-positions (e.g., progesterones, etc.) (Class 552/607)
- The cyclopentanohydrophenanthrene ring system is fully saturated (e.g., pregnandiols, pregnanolones, etc.) (Class 552/609)