3796728

Information

• Patent Grant
• 3796728

• References
• Source

• Patent Number

  3,796,728

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1974
  50 years ago

• CPC

  • C07J1/0022 - the substituent being an OH group free esterified or etherified
  • C07J1/0011 - substituted in position 17 by a keto group
  • C07J1/0059 - substituted in position 17 by a keto group
  • C07J1/007 - the substituent being an OH group free esterified or etherified
  • C07J31/006 - not covered by C07J31/003
  • C07J41/0005 - the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton
  • C07J71/001 - Oxiranes
  • C07J75/005 - Preparation of steroids by cyclization of non-steroid compounds
  • C07C2103/16 - (Hydrogenated) benz[e]indenes

• US Classifications

  • 549 - Organic compounds
  • 540 - Organic compounds
  • 552 - Organic compounds
  • 560 - Organic compounds
  • 568 - Organic compounds