Condensation of ring-substituted phenylacetonitriles with mono-e

Details Condensation of ring-substituted phenylacetonitriles with mono-e Condensation of ring-substituted phenylacetonitriles with mono-e

1983-03-31

1984-09-04

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12176

Patent

active

044696426

ABSTRACT:
This invention relates to the stoichiometric condensation of substituted phenylacetonitriles with mono-esters of dibasic carboxylic acids. Use of the mono-ester results in substantially purer product by eliminating the bis-condensation observed with use of the diester reactant. The resulting cyano-keto-acids are obtained in good yield and can be used to prepare biologically active 2-aryl-1,3-cyclohexanediones without elaborate purification.

REFERENCES:
patent: 4175135 (1979-11-01), Haines
patent: 4256657 (1981-03-01), Wheeler
patent: 4422870 (1983-12-01), Wheeler

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