METHOD FOR PRODUCING 3,4-DIHYDROISOQUINOLINE DERIVATIVES AND PRODUCTION INTERMEDIATES OF SAME
申请人:MITSUI CHEMICALS AGRO, INC.
公开号:US20140228576A1
公开(公告)日:2014-08-14
Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.
METHOD FOR PRODUCING 4, 4-DIFLUORO-3,4-DIHYDROISOQUINOLINE DERIVATIVES
申请人:MITSUI CHEMICALS AGRO, INC.
公开号:US20140235862A1
公开(公告)日:2014-08-21
Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1):
a compound represented by general formula (2):
is reacted with hydrogen fluoride.