1S to 1R Epimerizations of pyrethroid intermediates

Details 1S to 1R Epimerizations of pyrethroid intermediates 1S to 1R Epimerizations of pyrethroid intermediates

1997-10-15

1998-11-24

Reamer, James H.

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

Organic compounds

Carboxylic acid esters

562506, 562866, 562867, C07C 51353

Patent

active

058409580

ABSTRACT:
This invention relates to a process for preparing certain isomers of 2,2-dimethyl-3-(2,2-disubstitutedvinyl)cyclopropanecarboxylic acid or derivatives thereof. More specifically it relates to the epimerization of the 1S cyclopropanecarboxylic acid and its derivatives into the corresponding 1R isomers.

REFERENCES:
patent: 4008268 (1977-02-01), Mizutani et al.
patent: 4024163 (1977-05-01), Elliott et al.
patent: 4261921 (1981-04-01), Smeltz
patent: 4874473 (1989-10-01), Arlt et al.
patent: 4954651 (1990-09-01), Suzukamo et al.
patent: 4962233 (1990-10-01), Hagiya et al.
patent: 4977970 (1990-12-01), Steiger
patent: 5164411 (1992-11-01), Baum et al.
Elliott, M. et al., "Potent Pyrethroid Insecticides from Modified Cyclopropane Acids", Nature, 1973, 244, 456-457.

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