Method for producing optically active salicylaldimine copper...

Details Method for producing optically active salicylaldimine copper... Method for producing optically active salicylaldimine copper...

2005-02-08

2005-02-08

Nazario-Gonzalez, Porfirio (Department: 1621)

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

Organic compounds

Heavy metal containing

Reexamination Certificate

active

06852871

ABSTRACT:
There is provided a method for producing an optically active salicylaldimine copper complex, which method is characterized in that an optically active amino alcohol compound represented by the following formula (1) is reacted with copper hydroxide (II) in an organic solvent:wherein R1and R2which are the same or different, each represent lower alkyl groups and the like which may be substituted, X1and X2which are the same or different, each represent a hydrogen atom, lower alkyl groups and the like, and the symbol * designates an asymmetric carbon atom.

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“Catalytic asymmetric synthesis of cyclopropane-carboxylic acids: an application of chiral copper carbenoid reaction”, Tadatoshi Aratani, Pur & Appl. Chem., vol. 57, No. 12, pp. 1839-1844, 1985.

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