O-chlorobenzonitrile with Raney

Cations, cyclopropenyl, 54, 97 o-Chlorobenzaldehyde, by reduction of o-chlorobenzonitrile with Raney nickel alloy in formic acid, 51, 23 p-Chlorobenzaldehyde, by redaction of p-chlorobenzonitflle with Raney nickel alloy,1 51, 22... 

A soln. of p-chlorobenzonitrile and a moderate excess of Na-hypophosphite in a pyridine-acetic acid-water mixture acid to litmus treated with Raney-Ni and stirred 2 hrs. at 40-45° p-chlorobenzaldehyde. Y 80%.—This procedure requires neither special apparatus nor particular precautions. F. e. and limitations s. O. G. Backeberg and B. Staskun, Soc. 1962, 3961. 

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