公开(公告)号：US06333431B1

公开(公告)日：2001-12-25

申请号：US09786522

申请日：2001-03-06

申请人： Akihiro Hashimoto ,  Satoshi Matsuda ,  Kuninori Tai ,  Hitoshi Tone ,  Takao Nishi ,  Jun-ichi Minamikawa ,  Michiaki Tominaga

发明人： Akihiro Hashimoto ,  Satoshi Matsuda ,  Kuninori Tai ,  Hitoshi Tone ,  Takao Nishi ,  Jun-ichi Minamikawa ,  Michiaki Tominaga

IPC分类号： C07C6304

CPC分类号： C07C51/353 ,  C07C51/377 ,  C07C63/70

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 formula wherein R1 is halogen, or reducing a fluoro benzoic acid of the formula wherein R1 is as defined above and R2 is lower alkyl to thereby produce a fluoro benzoic acid represented by the formula wherein R1 and R2 are as defined above.

摘要翻译： 本发明的目的是提供一种商业上有利的氟代苯甲酸的制备方法。 根据本发明的方法包括将式（Ⅳ）的氟代苯甲酸烷基化为R 1为卤素，或还原式肟的R 1的氟代苯甲酸如上所定义，并且R 2为低级烷基，由此制备由 化学式R 1和R 2如上所定义。