发明名称 Method of preparing substituted phthalides
摘要 Method of preparing chlorthalidone, an antihypertensive agent, and derivatives using a novel 3-(4'-chloro-3'-chlorosulfonylphenyl)phthalide intermediate and derivatives, and method of preparing said novel intermediate, are disclosed.
申请公布号 US4322356(A) 申请公布日期 1982.03.30
申请号 US19800133055 申请日期 1980.03.24
申请人 THE DOW CHEMICAL CO. 发明人 GIACOBBE, THOMAS J.;WHITE, HALBERT C.
分类号 C07D209/48;C07D307/88;(IPC1-7):C07D307/88 主分类号 C07D209/48
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