Invention Grant
US07727987B2 Crystalline forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride
有权
(6R)-L-赤型 - 四氢生物喋呤二盐酸盐的结晶形式
- Patent Title: Crystalline forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride
- Patent Title (中): (6R)-L-赤型 - 四氢生物喋呤二盐酸盐的结晶形式
-
Application No.: US10990316Application Date: 2004-11-17
-
Publication No.: US07727987B2Publication Date: 2010-06-01
- Inventor: Rudolf Moser , Viola Groehn , Thomas Egger , Fritz Blatter
- Applicant: Rudolf Moser , Viola Groehn , Thomas Egger , Fritz Blatter
- Applicant Address: CH Schaffhausen
- Assignee: Merck Eprova AG
- Current Assignee: Merck Eprova AG
- Current Assignee Address: CH Schaffhausen
- Agency: Millen, White, Zelano & Branigan, P.C.
- Main IPC: A61K31/221
- IPC: A61K31/221 ; C07D475/04 ; A61P25/16

Abstract:
Crystal forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, hydrates and solvates and processes for their preparation are provided. These crystal forms are either intermediates for the preparation of stable polymorphic form B or are suitable for solid formulations.
Public/Granted literature
- US20060035900A1 Crystalline forms of ( 6R)-L-erythro-tetrahydrobiopterin dihydrochloride Public/Granted day:2006-02-16
Information query