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Patent Searching and Data


Title:
NEW 17-HYDROXYIMINOMETHYL-5BETA,14BETA-ANDROSTANE DERIVATIVE ACTING ON CARDIOVASCULAR SYSTEM
Document Type and Number:
Japanese Patent JP3510651
Kind Code:
B2
Abstract:

PURPOSE: To provide a new compd. useful as a treating agent of cardiovascular diseases such as heart failure and hypertension, acting on cardiovascular system.
CONSTITUTION: A deriv. of formula I {the dotted line shows α- or β- configulation, Z- or E-configulation; when a double line of dotted line and solid line is a single bond, Y is β-OR4 [R4 is 2-4C alkyl or H, which is substd. with NHC(=NH)NH2, etc.], when the double line is a double bond, Y is the group of formula II or III (R1 is H, 2-6C alkyl or the like; R5 is H, 2-4C alkyl or the like; R6 and R7 are each methyl, 2-4C alkyl or the like); R2 is H or methyl; R3 is H or hydroxy}, e.g. (E)-17β-hydroxyiminomethyl-5β-androstane-3β,14β-diol. The compd. is obtained by condensation reaction of a compd. of formula IV with a compd. of formula H2NOR1 in a solvent such as ethanol at 0°C to a temp. up to b.p. of the solvent.


Inventors:
Cerri, Alberto
Bernardi, Luigi
Bianchi, Giuseppe
Florio, Monica
Folpini, Elena
Melloni, Piero
Application Number:
JP20495093A
Publication Date:
March 29, 2004
Filing Date:
August 19, 1993
Export Citation:
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Assignee:
Sigma, Tau Ind Farmaceut Riunite Spa
International Classes:
A61K31/57; A61K31/58; A61P9/00; A61P9/04; A61P9/12; C07J41/00; C07J43/00; A61K31/56; (IPC1-7): C07J41/00; A61K31/56; A61K31/58; A61P9/00; A61P9/04; A61P9/12; C07J43/00
Other References:
Adv.Drug Res.,(1990),vol.19,p.535−45
Attorney, Agent or Firm:
青山 葆 (外2名)