Invention Grant
- Patent Title: Method for the preparation of highly pure 1-androstene derivatives
- Patent Title (中): 制备高纯度1-雄甾烯衍生物的方法
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Application No.: US10526158Application Date: 2004-07-19
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Publication No.: US07038050B2Publication Date: 2006-05-02
- Inventor: Young Ho Moon , Dong Jun Kim , Chul-Hyun Park , Kyung Ik Lee , Jae-Cheol Lee , Gwan Sun Lee , Young-Kil Chang
- Applicant: Young Ho Moon , Dong Jun Kim , Chul-Hyun Park , Kyung Ik Lee , Jae-Cheol Lee , Gwan Sun Lee , Young-Kil Chang
- Applicant Address: KR Kyungki-do
- Assignee: Hanmi Pharm. Co., Ltd.
- Current Assignee: Hanmi Pharm. Co., Ltd.
- Current Assignee Address: KR Kyungki-do
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2003-0049529 20030719
- International Application: PCT/KR2004/001786 WO 20040719
- International Announcement: WO2005/007670 WO 20050127
- Main IPC: C07D221/18
- IPC: C07D221/18 ; C07D221/02
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.
Public/Granted literature
- US20050245744A1 Method for the preparation of highly pure 1-androstene derivatives Public/Granted day:2005-11-03
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