发明名称 Process for the preparation of 5-formylphthalide
摘要 There is described a process for the preparation of 5-formylphthalide by hydrogenation of a halide of 5-carboxyphthalide, dissolved in a dipolar aprotic solvent, in the presence of a catalyst. Furthermore, the use of 5-formylphthalide in the preparation of citalopram is described.
申请公布号 US6888010(B2) 申请公布日期 2005.05.03
申请号 US20040776626 申请日期 2004.01.31
申请人 INFOSINT SA 发明人 DALL'ASTA LEONE;COTTICELLI GIOVANNI
分类号 C07B61/00;C07D307/80;C07D307/88;(IPC1-7):C07D307/88 主分类号 C07B61/00
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