Stereoselective Synthesis of cis?螃漫?Methyl??and Phenyl??Substituted Alkenylboronates by Platinum??Catalyzed Dehydrogenative Borylation

T Ohmura, Y Takasaki, H Furukawa…

Index: Ohmura, Toshimichi; Takasaki, Yuta; Furukawa, Hideki; Suginome, Michinori Angewandte Chemie, International Edition, 2009 , vol. 48, # 13 p. 2372 - 2375

Full Text: HTML

Citation Number: 29

Abstract

Abstract Changing places: Intramolecular B (pin)/H exchange took place in the presence of a platinum–phosphane catalyst, giving synthetically useful cis-β-methyl-substituted alkenylboronates stereoselectively (see scheme; B (pin)= 4, 4, 5, 5-tetramethyl-1, 3, 2- dioxaborolan-2-yl).