Preparaion of 3.cyano-3,5,5-trimethylcyclohexanone

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

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558431, C07C25310

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active

055169287

ABSTRACT:
A process for the preparation of 3-cyano-3,5,5-trimethylcyclohexanone by the reaction of isophorone with hydrogen cyanide in the presence of quaternary ammonium catalysts at temperatures ranging from 80.degree. to 180.degree. C. and pressures ranging from 0.5 to 20 bar, in which the ammonium catalysts used are salts of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 denote C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.18 aralkyl or C.sub.2 -C.sub.18 hydroxyalkyl and

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Chemical Abstracts, vol. 105, No. 5, (1986), abstract No. 42383u, K. Kondo et al.

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