US 4,176,123 A · Steroid intermediates

Abstract

Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.

Claims2

Dependent claims

A compound of the formula ##STR7##

Dependencies are inferred from the claim text.

Facts

Application

05/961,965Filed 20 Nov 1978 · continuation in part

Priority

17 Nov 1975

Granted

27 Nov 1979

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

C12N 1/205
Bacteria; Culture media therefor: bacterial isolates
C07C 49/513
Polycyclic: a keto group being part of a condensed ring system
C07C 59/205
Saturated compounds having only one carboxyl group and containing keto groups: containing rings
C07D 311/94
Ortho- or peri-condensed with carbocyclic rings or ring systems: condensed with rings other than six-membered or with ring systems containing such…

Family

Serial632,650Parent of this division · filed 17 Nov 1975

Serial767,369Parent of this division · filed 10 Feb 1977

Serial873,101Parent of this continuation-in-part · filed 30 Jan 1978

US 4,042,459 AParent of this division

US 4,176,123 AThis patent

From the US filing history. Foreign family members aren’t listed.

Steroid intermediates

Life of this patent

Abstract

Claims2

Steroid intermediates

Life of this patent

Abstract

Claims2