Caffeic acid derivatives and pharmaceutical compositions contain

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

514521, 549442, 558398, 558399, 558400, C07D31708, A61K 3121

Patent

active

053267850

ABSTRACT:
Described are caffeic acid derivatives represented by the following formula: ##STR1## wherein either one of R.sup.1 and R.sup.2 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a group --CO.sub.2 R.sup.4, or a group --CONR.sup.5 R.sup.6, R.sup.4, R.sup.5 and R.sup.6 being either a hydrogen atom or a particular group, and the other is the group --CO.sub.2 R.sup.4 or the group --CONR.sup.5 R.sup.6, or R.sup.1 and R.sup.2 are coupled together to represent a 5-membered ring so formed, Y represents a particular group or atom, X represents a substituted or unsubstituted C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.12 aralkyl, heterocyclic or heterocyclic ring-alkyl group, m and n stand for particular integers, and R.sup.3 represents a hydrogen atom, a hydroxyl group, a group --OCO.sub.2 R.sup.7, R.sup.7 being a hydrogen atom or a particular group, or a group --OCONR.sup.8 R.sup.9, R.sup.8 representing a C.sub.1 -C.sub.6 alkyl group and R.sup.9 representing a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group, and pharmaceutically acceptable salts thereof. Therapeutic agents containing the derivatives or salts are effective for diseases of the circulatory system.

REFERENCES:
Chemical Abstracts, vol. 112, No. 21, Abstract No. 197,871v, p. 663, May 21, 1990.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Caffeic acid derivatives and pharmaceutical compositions contain does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Caffeic acid derivatives and pharmaceutical compositions contain, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Caffeic acid derivatives and pharmaceutical compositions contain will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-796248

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.