Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112, Japan
a Department of Materials Science, Faculty of Engineering, Shizuoka University, Hamamatsu, Shizuoka 432, Japan
Abstract:
Transformation of ,β-halo ester to the cyclopropanols by a coupled reagent of samarium(II) diiodide with Grignard reagent in tetrahydrofuran-hexamethylphosphoric triamide was very successfully under mild conditions.