S. Megati et Kgs. Rao, A NOVEL ONE-STEP CONVERSION OF ALPHA,BETA-EPOXY KETONES TO O-DICHLOROBENZALDEHYDES BY THE VILSMEIER REACTION, Tetrahedron letters, 36(32), 1995, pp. 5819-5822
A novel, versatile one-step synthesis of o-dichlorobenzaldehydes has b
een developed. Acyclic alpha,beta-epoxy ketones undergo the Vilsmeier
reaction to afford o-dichlorobenzenemono- and dicarboxaldehydes wherea
s cyclic alpha,beta-epoxy ketones gave o-dichlorobenzenecarboxaldehyde
s and chlorobenzenedicarboxaldehydes.