CRYSTALLINE FORM OF DONEPEZIL HYDROCHLORIDE,申请号WO2005US27326-传众专利搜索

发明名称	CRYSTALLINE FORM OF DONEPEZIL HYDROCHLORIDE
摘要	A process for preparing crystalline form I of donepezil hydrochloride comprises: a) condensing 5,6-dimethoxy-2-piperidin-4-yl-methyl-indan-1-one with benzyl bromide and reacting a condensation product with hydrobromic acid to form donepezil hydrobromide; and b) hydrolyzing donepezil hydrobromide, followed by reacting with aqueous hydrochloric acid.
申请公布号	WO2006015338(A3)	申请公布日期	2006.07.20
申请号	WO2005US27326	申请日期	2005.08.01
申请人	DR. REDDY'S LABORATORIES LTD.;DR. REDDY'S LABORATORIES, INC.;MATHAD, VIJAYAVITTHAL THIPPANNACHAR;NARSAPUR, SHARAT PANDURANG;VANKAWALA, PRAVINCHANDRA JAYANTILAL;KHAKAR, MANOJ RAMESH;ELATI, RAVI RAMA CHANDRA SHEKAR;CHALAMALA, SUBRAHMANYESWARA RAO;THIRUSELVAM, ARUN	发明人	MATHAD, VIJAYAVITTHAL THIPPANNACHAR;NARSAPUR, SHARAT PANDURANG;VANKAWALA, PRAVINCHANDRA JAYANTILAL;KHAKAR, MANOJ RAMESH;ELATI, RAVI RAMA CHANDRA SHEKAR;CHALAMALA, SUBRAHMANYESWARA RAO;THIRUSELVAM, ARUN
分类号	A61K31/445;C07D211/32	主分类号	A61K31/445
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