Steroid intermediates

Details Steroid intermediates Steroid intermediates

1986-09-19

1989-11-21

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560255, 568327, 568633, 568808, C07D31712, C07C 49297, C07C 3312

Patent

active

048824399

ABSTRACT:
Total synthesis of steroids with substitution in the 2,3, 6, 11 or 17 positions comprising the step of cyclization of a compound having the formula ##STR1## or analogues thereof, where X represents .dbd.O, ##STR2## or .beta.-substituted ##STR3## Y represents .dbd.O, .beta.-oriented ##STR4## or .beta.-orientated OH, R' and R.sup.2 may be the same or different and R' represents alkyl or aryl and R.sup.2 represents alkyl and Z represents ether or hindered ester to form the novel compounds ##STR5##

REFERENCES:
patent: 3882106 (1975-05-01), Los
patent: 3890391 (1975-06-01), Eder et al.
patent: 4064173 (1977-12-01), Cassal et al.

Affiliated with

Also associated with

Rating

Steroid intermediates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Steroid intermediates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Steroid intermediates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1427048