高純度1-アンドロステン誘導体の製造方法

Title:

高純度1-アンドロステン誘導体の製造方法

Document Type and Number:

Japanese Patent JP4308824

Kind Code:

B2

Abstract:

A method for preparing a 1-androstene derivative which comprises reacting a 2-iodo-androstane derivative with an oxidizing agent while maintaining the pH of the reaction mixture at a specific range gives the 1-androstene derivative with high purity and yield.

More Like This:

JPH0830077	[Title of Invention] A therapeutic agent for ischemic disease
WO/2002/020553	NOVEL POLYMORPHIC FORM OF 17-$g(b)-(N-TER.BUTYL CARBAMOYL)-4-AZA-5-$g(a)-ANDROST-1-EN-3-ONE AND A PROCESS FOR PREPARING IT
WO/2005/005380	17-ACETAMIDO-4-AZASTEROID DERIVATIVES AS ANDROGEN RECEPTOR MODULATORS

Inventors:

Mon, Yun Ho
Kim, Don Jun
Park, Chulu-Hyun
Li, Kyun-Iku
Li, Je-Chul
Li, Gwang-Sun
Chang, Yun-Kill

Application Number:

JP2005518333A

Publication Date:

August 05, 2009

Filing Date:

July 19, 2004

Export Citation:

Click for automatic bibliography generation Help

Assignee:

Hammi Farm. Seeo., LDT.

International Classes:

C07J73/00; C07D221/18; C07J43/00; A61K31/58; A61P13/08; A61P17/14

Domestic Patent References:

JP4261195A
JP3206096A

Attorney, Agent or Firm:

Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto

Previous Patent: プレッシャレギュレータ

Next Patent: DISPLAY DEVICE IN FINDER