Process for the preparation of 5-(2,4-difluorophenyl)-salicylic

Details Process for the preparation of 5-(2,4-difluorophenyl)-salicylic Process for the preparation of 5-(2,4-difluorophenyl)-salicylic

1993-12-30

1995-05-02

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Borate esters

558296, 568 6, C07F 504

Patent

active

054121434

ABSTRACT:
A process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid comprising the reaction of an organometallic derivative with a suitable substituted benzene in the presence of a transition-metal based catalyst is described.

REFERENCES:
patent: 3096370 (1963-07-01), Bloom et al.
patent: 4486599 (1984-12-01), Meneghin et al.
patent: 4790960 (1988-12-01), Heckmann et al.
patent: 5142093 (1992-08-01), Giordano et al.
patent: 5183935 (1993-02-01), Giordano et al.
patent: 5239114 (1993-08-01), Giordano et al.

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