Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1988-07-28
1990-07-24
Lipovsky, Joseph A.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
514172, 514177, 540 76, 552505, 552648, 552502, 552626, 552646, A61K 3156, A61K 3158, C07J 100, C07J 7100
Patent
active
049435663
ABSTRACT:
A compound selected from the group consisting of compounds of the formula ##STR1## wherein R.sub.1 is an organo of 1 to 18 carbon atoms optionally containing at least one heteroatom connected to the C ring by a carbon atom, R.sub.2 is methyl or ethyl, the A and B rings being selected from the group consisting of ##STR2## Re is selected from the group consisting of hydrogen, optionally substituted alkyl of 1 to 6 carbon atoms and acyl and the D ring is selected from the group consisting of ##STR3## one of R.sub.3 and R.sub.4 is selected from the group consisting of hydroxy, protected hydroxy, acyl and alkoxy and the other is an optionally substituted aryl, R.sub.5 is an optionally substituted aryl and their non-toxic, pharmaceutically acceptable salts with acids and bases with the proviso that when the A and B rings are ##STR4## R.sub.1 is ##STR5## R.sub.2 is methyl, R.sub.3 is --OH, R.sub.4 is phenyl having anti proliferative properties.
REFERENCES:
patent: 3502699 (1970-03-01), Hughes et al.
patent: 4233296 (1980-11-01), Teutsch et al.
patent: 4386085 (1983-05-01), Teutsch
patent: 4477445 (1984-10-01), Philibert et al.
Bouton Marie-Madeleine
Moguilewsky Martine
Nedelec Lucien
Nique Francois
Philibert Daniel
Lipovsky Joseph A.
Roussel Uclafi
LandOfFree
Novel 17-aryl-steroids does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Novel 17-aryl-steroids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Novel 17-aryl-steroids will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1267844