Sulfur ylides. Communication 1. Cyclopropanation of ?,?-unsaturated ketones with ethyl(dimethyl-sulfuranylidene)acetate generated in the presence of phase-transfer catalysts
Sulfur ylides. Communication 1. Cyclopropanation of ?,?-unsaturated ketones with ethyl(dimethyl-sulfuranylidene)acetate generated in the presence of phase-transfer catalysts
作者:G. A. Tolstikov、F. Z. Galin、V. N. Iskandarova、L. M. Khalilov、A. A. Panasenko