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1. (CN101213177) Purification of montelukast

Office : China
Application Number: 200680024298.3 Application Date: 05.07.2006
Publication Number: 101213177 Publication Date: 02.07.2008
Publication Kind : A
Prior PCT appl.: Application Number:PCTUS2006026192 ; Publication Number:2007005965 Click to see the data
IPC:
C07D 215/18
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
215
Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
02
having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
16
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
18
Halogen atoms or nitro radicals
CPC:
C07D 215/18
Applicants: Teva Pharma
特瓦制药工业有限公司
Inventors: Sterimbaum Greta
G·斯特林鲍姆
Shapiro Evgeny
E·沙皮罗
Chen Kobi
K·陈
Agents: liudong linsen
中国专利代理(香港)有限公司
中国专利代理(香港)有限公司
Priority Data: 60/697,000 05.07.2005 US
Title: (EN) Purification of montelukast
(ZH) 孟鲁司特的纯化
Abstract: front page image
(EN) The present invention provides methods of purifying montelukast, a new isolated impurity of montelukast of formula I, method for its isolation, and method of using montelukast impurity as a reference marker and a reference standard.
(ZH)

本发明提供纯化孟鲁司特的方法,式I的孟鲁司特的新分离的杂质,其分离方法和用孟鲁司特杂质作为参比标记和参比标准的方法。


Also published as:
MXMX/a/2007/002609KR1020070088504KR1020090015186IL185731EP1904448JP2008510840
ES2358923CA2608369ID048.1592IN9336/DELNP/2007WO/2007/005965