Process for the preparation of 5-bromo-2 fluorobenzeneboronic ac

Details Process for the preparation of 5-bromo-2 fluorobenzeneboronic ac Process for the preparation of 5-bromo-2 fluorobenzeneboronic ac

1997-06-06

1999-10-05

Geist, Gary

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

Organic compounds

Boron containing

568 1, C07F 502

Patent

active

059627425

ABSTRACT:
A process is disclosed for the preparation of 5-bromo-2-fluorobenzeneboronic acid, which is useful as an intermediate in the preparation of a non-ester pyrethroid compound. The compound can be, for example, a fluoroolefin, which is useful as a pesticide.

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patent: 3090801 (1963-05-01), Washburn
patent: 5068403 (1991-11-01), Elliott et al.
patent: 5283371 (1994-02-01), Elliott et al.
A.W. Farnham, et al., Pesticide Science, 28, pp. 25-34 (1990).
A.J. Bridges, et al., Tetrahedron Letters, 33, pp. 7495-7498 (1992).
J Org Chem, "Different Product from Lithiation of Plolyfluorobromobenzenes in Ether and THF", Bridges, 55, pp. 773-775, Jan. 1990.
CA 124:232038, abst of GB 2288803, 1995.
D. Ladd, et al. "Improved Synthesis of Fluoroveratroles and Fluorophenethylamines via Organolithium Reagents", J. Org. Chem. 46, 203-206 (1981).

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