发明名称 Processes for the preparation of fluorinated benzoic acids
摘要 An object of the present invention is to provide a commercially advantageous process for preparing a fluoro benzoic acid. The process according to the present invention comprises either alkylating a fluoro benzoic acid of the formulawherein R1 is halogen, or reducing a fluoro benzoic acid of the formulawherein R1 is as defined above and R2 is lower alkyl to thereby produce a fluoro benzoic acid represented by the formulawherein R1 and R2 are as defined above.
申请公布号 US6333431(B1) 申请公布日期 2001.12.25
申请号 US20010786522 申请日期 2001.03.06
申请人 OTSUKA PHARMACEUTICAL CO., LTD. 发明人 HASHIMOTO AKIHIRO;MATSUDA SATOSHI;TAI KUNINORI;TONE HITOSHI;NISHI TAKAO;MINAMIKAWA JUN-ICHI;TOMINAGA MICHIAKI
分类号 C07C51/353;C07C51/377;(IPC1-7):C07C63/04 主分类号 C07C51/353
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