3706737

Information

• Patent Grant
• 3706737

• References
• Source

• Patent Number

  3,706,737

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1972
  52 years ago

• CPC

  • C07J41/0038 - with an androstane skeleton, including 18- or 19-substituted derivatives, 18-nor derivatives and also derivatives where position 17-beta is substituted by a carbon atom not directly bonded to a further carbon atom and not being part of an amide group
  • C07J11/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 3
  • C07J71/001 - Oxiranes
  • C07J71/0057 - Nitrogen and oxygen

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds