A new synthetic entry to the 1,4-dihydroquinoline nucleus is reported. The procedure involves the dimethyltitanocene methylenation of N-(alkoxycarbonyl)amides derived from 2-allylanilines, followed by ring-closing metathesis of the resulting enamides. (c) 2005 Elsevier Ltd. All rights reserved.
MOCHALIN, V. B.;ROGOZIN, K. I., ZH. ORGAN. XIMII, 1983, 19, N 7, 1414-1416