Abstract
AbstractThe quinaldyl ketone, 4‐phenyl‐3‐(quinolin‐2‐yl)‐butan‐2‐one was prepared by two methods: (a) benzylation of 1‐(1H‐quinolin‐2‐ylidene)propan‐2‐one in the presence of sodium hydride in dimethylformamide and (b) by the benzylative demethoxycarbonylation of methyl 2‐(1H‐quinolin‐2‐ylidene)‐3‐oxobutanoate in the presence of lithium bromide in hexamethylphosphoramide at 135°. In the absence of acid, the compound exists exclusively in the tautomeric form, 4‐phenyl‐3‐(1H‐quinolin‐2‐ylidene)butan‐2‐one.
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