METHOD FOR PREPARING 7-SUBSTITUTED STEROID COMPOUNDS, COMPOUNDS, METHODS FOR PREPARING EPLERENON, PRODUCT Russian patent published in 2006 - IPC C07J1/00 C07J21/00 

Abstract RU 2289586 C2

FIELD: organic chemistry, steroids, chemical technology.

SUBSTANCE: invention describes a method for synthesis of 7-substituted steroid compounds of the general formula (I):

wherein R1 means hydrogen atom (H) or -COR2 group wherein R2 means (C1-C6)-alkyl, (C1-C6)-alkoxy-group; Z1 means -CH2- or wherein R3 is in α-configuration; R3 means H or -COR2; Z2 means -CH-, or Z1 and Z2 mean in common a double bond; Q means ,,,,,,; Y means -CN, -CH2-CH=CH2 or -CHR4C(O)Ar, -CHR4C(O)-(C1-C6)-alkyl, -CHR4C(O)XAr or -CHR4C(O)X-(C1-C6)-alkyl wherein R4 means -O-(C1-C6)-alkyl or aryl X means oxygen (O) or sulfur (S) atom that are intermediate compounds used in synthesis of eplerenon.

EFFECT: improved method of synthesis.

7 cl, 1 tbl, 2 dwg, 20 ex

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RU 2 289 586 C2

Authors

Vuts Peter Dzhiehm

Dates

2006-12-20Published

2003-03-21Filed