Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Patent
1990-05-25
1992-04-28
Gerstl, Robert
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
514573, 560116, 562498, 549465, 548452, C07C17700, A61K 31557
Patent
active
051090210
ABSTRACT:
The present invention relates to novel isomers of PGAs, PGDs, PGEs, PGFs, 6-keto-PGE.sub.1 s, 6-keto-PGF.sub.1 s, PGI.sub.2 s, 6,9.alpha.-nitrilo-PGI.sub.1 s and 6,9.alpha.-methano-PGI.sub.2 s, having a specific steric configuration, which are replaced by an alkyl (C.sub.1 to C.sub.8)-substituted cycloalkyl (C.sub.4 to C.sub.7) group in (1S,S) form, in (1S,R) form or in cis form at the 15-, 16- or 17-position of the PG skeleton, and, alkyl esters thereof, non-toxic salts thereof, non-toxic acid addition salts thereof and cyclodextrin clathrates thereof, possessing more potent PG-like pharmacological activity than other isomers.
REFERENCES:
patent: 4479966 (1984-10-01), Hayashi
Imaki, Adv. Prost Res. 19, pp. 666-9 (1988).
Imaki Katsuhiro
Miyake Hajimu
Okegawa Tadao
Gerstl Robert
Ono Pharmaceutical Co. Ltd.
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