名称:
Complete Stereospecific Cyclopropanation of α,β-Unsaturated Amides Promoted by Sm/CH2I2 We acknowledge financial support from II Plan Regional de Investigación del Principado de Asturias (PB-EXP01-11) and Ministerio de Ciencia y Tecnología (BQU2001-3807). We thank Dr. Francisco J. González for valuable discussions and Robin Walker for revising the English manuscript. J.M.C. thanks Carmen Fernández-Flórez for her time. H.R.S. thanks Principado de Asturias for a predoctoral fellowship.