Novel selective synthesis of α-chloromethyl, α,α-dichloromethyl, and α,α,α-trichloromethyl ketones from aldehyde utilizing electroreduction as key reactions
Novel selective synthesis of α-chloromethyl, α,α-dichloromethyl, and α,α,α-trichloromethyl ketones from aldehyde utilizing electroreduction as key reactions
Photo-induced decomposition of O-methylbenzoin in carbon tetrachloride was investigated. A reaction scheme is proposed with the aid of photo-CIDNP technique and product analysis.
1,2-H Shift in Copper−Chlorocarbenoid Intermediate during CuCl/bpy-Promoted Stereoselective Dechlorination of 2,2,2-Trichloroethyl Alkyl Ethers to (<i>Z</i>)-1-Alkoxy-2-chloroethenes
作者:Ram N. Ram、T. P. Manoj
DOI:10.1021/ol8006524
日期:2008.6.5
Reaction of 2,2,2-trichloroethyl alkyl ethers with 2 molar equiv of CuCl/bpy in refluxing DCE yielded (2)-1-alkoxy-2-chloroethenes stereoselectively as the major product via 1,2-H shift in copper-chlorocarbenoid intermediate. 2,2,2-Trichloroethyl carboxylates undergo a radical 1,2-acyloxy shift under similar conditions.
Merz,A., Angewandte Chemie, 1973, vol. 85, p. 868 - 869