Process for preparing a biaryl compound

Details Process for preparing a biaryl compound Process for preparing a biaryl compound

2007-09-18

2007-09-18

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Nitriles

C562S401000, C564S086000, C564S161000, C568S067000, C568S927000

Reexamination Certificate

active

10774498

ABSTRACT:
A process for preparing an optically active biaryl compound the formula (4):which comprises reacting an aromatic sulfonic acid ester compound of the formula (1):with an organic boron compound of the formula (2):at 70° C. or below in the presence of a nickel catalyst and a base. The biaryl compounds produced using this process possess a high optical purity and are useful as intermediates for medicaments, agrochemicals, etc.

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