Title:
INTERMEDIATE FOR PREPARING TRITIATED 16-IMINO-17-AZA-STEROID
Document Type and Number:
Japanese Patent JP2512390
Kind Code:
B2
Abstract:
PURPOSE: To obtain the subject compound having a specific formula, useful as an intermediate for preparing an aza-steroid or a radioactively labelled GABAreceptor substance.
CONSTITUTION: This intermediate is expressed by formula I (A is H or tritium; R is a 1-8C acyl) and is obtained by using a compound of formula II or the like, concretely 3α-acetoxy-11,17-dioxo-5β-androstane or the like as a starting material, and treating it with an oximation agent, then with an acid chloride- forming agent and ammonia, and then treating with a hypohalogenous acid salt of MOX (M is an alkali metal) in the presence of a base.
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Inventors:
ARAN JUKEI
PIITAA FURANSHISU HANTO
PIITAA FURANSHISU HANTO
Application Number:
JP23447494A
Publication Date:
July 03, 1996
Filing Date:
September 05, 1994
Export Citation:
Assignee:
ROUSSEL UCLAF
International Classes:
C07C67/00; C07C239/00; C07J1/00; C07C253/00; C07C255/31; C07C255/47; C07C271/00; C07J41/00; C07J73/00; C07J75/00; (IPC1-7): C07C255/31
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)