Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1991-04-10
1992-05-26
Siegel, Alan
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
514180, 514174, 514179, 552581, 540 67, A61K 3158, C07J 7100, C07J 700
Patent
active
051168294
ABSTRACT:
A 21-substituted steroid compound is disclosed. The compound has a structure of formula (I), ##STR1## wherein R.sup.1 is a hydrogen atom, a lower alkyl, lower alkenyl, lower alkoxy, or phenyl group, R.sup.2 is a hydroxyl group or an acyloxy group having 1-6 carbon atoms, R.sup.3 is a hydrogen atom or a lower alkyl group, or R.sup.2 and R.sup.3 may together form a lower alkylidenedioxy group, X.sup.1 and X.sup.2 may be the same or different and individually represents a hydrogen atom or a halogen atom, Y.sup.1 and Y.sup.2 may be the same or different and individually represents a methylene group or a sulfur atom, Z is a sulfur atom or an imino group, the wave line means that the configuration of R.sup.3 may be of either .alpha. or .beta., and dotted line between the 1 and 2 position means that the bond may be the double bond. It has excellent anti-inflammatory, anti-allergic and anti-asthma activities with little side effects, and is useful for the prevention, cure, and treatment of on inflammation, allergic diseases, rheumatism, and the like.
REFERENCES:
patent: 2814632 (1957-11-01), Nussbaum
patent: 4014909 (1977-03-01), Torossian et al.
Hirota Osamu
Hori Kimihiko
Morioka Tomoki
Moriwaki Shigeru
Suzuki Yasuto
Kao Corporation
Kestler Kimberly J.
Siegel Alan
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