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PROCEDE DE PRODUCTION DE CHLORHYDRATE DE PRASUGREL DE GRANDE PURETE
专利权人:
DAIICHI SANKYO COMPANY, LIMITED;UBE INDUSTRIES, LTD.
发明人:
MIYATA, HIROYUKI,WADA, YUKINORI,YOKOTA, NAOYUKI
申请号:
CA2679925
公开号:
CA2679925C
申请日:
2008.02.29
申请国别(地区):
CA
年份:
2012
代理人:
摘要:
An object of the present invention is to provide prasugrel hydrochloride witha reduced content of CATP, and the like.(see multi-step process above)In the formulae, R represents a protecting group for a hydroxyl group.A method for producing prasugrel hydrochloride represented by the aboveformula is provided, characterized by comprising, in step (i), controlling, atlowvalues, the temperature during the addition, optionally dropwise, of achlorinatingagent and the reaction temperature after the addition, optionally dropwise, ofthechlorinating agent.
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