Title:
【発明の名称】17β-置換-4-アザ-5α-アンドロスタン-3-オン誘導体の製法
Document Type and Number:
Japanese Patent JPH06501272
Kind Code:
A
Abstract:
The preparation of a compound of formula (I) wherein X is oxygen or sulphur; R1 is hydrogen or C1-C6 alkyl; each of R2 and R3 is, independently, hydrogen, C1-C6 alkyl, C5 or C6 cycloalkyl or C6-C9 cycloalkylalkyl; R4 is hydrogen, C1-C6 alkyl, C5-or C6 cycloalkyl, C6-C9 cycloalkylalkyl or aryl; and the symbol represents a single or a double bond; by a multi-step process is disclosed.
Inventors:
Pants collar, Achille
Seriani, Lucio
Glitter, Pierre Luigi
Nessi, Marcella
Seriani, Lucio
Glitter, Pierre Luigi
Nessi, Marcella
Application Number:
JP50258993A
Publication Date:
February 10, 1994
Filing Date:
July 16, 1992
Export Citation:
Assignee:
Faria Talia Carlo Erba Etsuse Elle Elle
International Classes:
A61K8/49; A61K31/56; A61P13/02; A61P15/00; A61P17/00; A61K8/00; A61P43/00; A61Q5/00; C07J3/00; C07J41/00; C07J73/00; (IPC1-7): C07J73/00; A61K7/06; A61K31/56; C07J3/00; C07J41/00
Attorney, Agent or Firm:
Yoshio Kawaguchi (3 outside)