Cyanosilanes trimethylsilyl cyanide

Cyclohexanone allowed to react with an equimolar amount of trimethylsilyl cyanide in the presence of a trace of zinc iodide product. Y 94%. - The 0X0 compds. may be readily regenerated in dil. aq. acid or base. F. e., also from aldehydes, s. D. A. Evans, L. K. Truesdale, and G. L. Carroll, Chem. Commun. 1973, 55 with AlClg cf. W. Lidy and W. Sundermeyer, B. 106, 587 (1973) f. reactions with cyanosilanes cf. Tetrah. Let. 1973, 1449 preferential protection of carbonyl groups in quinones, f. catalysts, cf. Am. Soc. 95, 5822 (1973). 

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