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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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