Process of preparing higher order cuprate complexes

Details Process of preparing higher order cuprate complexes Process of preparing higher order cuprate complexes

C - Chemistry, Metallurgy

07

F

260/429.7, 260/4

C07F 7/22 (2006.01) C07C 405/00 (2006.01) C07F 1/08 (2006.01)

Patent

CA 1311490

ABSTRACT OF THE DISCLOSURE This invention encompasses a process for preparing higher order cuprate complexes which contain a carbanion for the formation of carbon to carbon bonds in reactions such as 1,4-conjugate addition. The complex is formed by reacting a first cuprate complex with a stannane such that the carbanion to be used to form carbon to carbon bonds is transferred from the stannane to the first cuprate complex to form a different higher order cuprate complex. This process permits the in situ preparation of a higher order cuprate complex having the carbanion desired to be used in a synthetic reaction. Higher order cuprate complexes prepared by this process are particularly useful for the efficient preparation of pharmacologically active prostaglandins.

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