Title:
エストロゲン誘導体の製造方法
Document Type and Number:
Japanese Patent JP2004534796
Kind Code:
A
Abstract:
A process for the preparation of compounds of formula (I) in which R1, R2, R3 and n are defined as indicated in the description, use of said compounds as intermediates for the preparation of estrogen derivatives as well as the intermediates of this process.
Inventors:
Francoise Benedetti
Alan Masley
Francois nik
Duni Prato
Christian Weiley
Alan Masley
Francois nik
Duni Prato
Christian Weiley
Application Number:
JP2003503646A
Publication Date:
November 18, 2004
Filing Date:
June 12, 2002
Export Citation:
Assignee:
Aventis Pharma Societe Anonym
International Classes:
A61P5/30; A61P19/10; C07B51/00; C07J1/00; C07J21/00; C07J41/00; C07J73/00; C07J75/00; A61K31/565; (IPC1-7): C07J75/00; A61P5/30; A61P19/10; C07J1/00; C07J21/00
Attorney, Agent or Firm:
Motohiro Kurauchi
Hiroshi Kazama
Hiroshi Kazama