Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hy

Details Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hy Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hy

1991-10-11

1992-10-13

Brust, Joseph Paul

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

Organic compounds

Nitriles

558347, 558342, C07C25330

Patent

active

051552515

ABSTRACT:
An improved process for the preparation of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate is described where a halo hydroxyester or other activated dihydroxyester is converted in two steps to the desired product.

REFERENCES:
patent: 4647576 (1987-03-01), Hoefle et al.
patent: 4681893 (1987-07-01), Roth
patent: 5003080 (1991-03-01), Butler et al.
Migrdichian, "The Chemistry of Organic Cyanogen Compounds", (1947), pp. 125-132; Reinhold Pub. Co., N.Y.

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