Asymmetric synthesis of cyclopropanecarboxylate derivatives usin

Details Asymmetric synthesis of cyclopropanecarboxylate derivatives usin Asymmetric synthesis of cyclopropanecarboxylate derivatives usin

1985-07-30

1986-07-29

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

560124, 560 1, 560101, C07C 6730

Patent

active

046032185

ABSTRACT:
A chiral copper complex which is produced by the reaction of a chiral copper complex of the formula: ##STR1## wherein R.sub.1 is (a) alkyl group, or (b) aralkyl group; R.sub.2 is (a) 2-alkoxyphenyl group, or (b) 2-alkoxy-5-alkylphenyl group; either one of X.sub.1 and X.sub.2 is (a) hydrogen atom, (b) halogen atom, (c) alkyl group, (d) alkoxy group, or (e) nitro group, or adjacent X.sub.1 and X.sub.2 together form a benzo group, with a mono-substituted hydrazine of the formula:

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patent: 4069385 (1978-01-01), Araki
patent: 4197408 (1980-04-01), Aratani
patent: 4288387 (1981-09-01), Crosby
patent: 4344894 (1982-08-01), Laidler

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