Stereoselective Synthesis of cis‐β‐Methyl‐ and Phenyl‐Substituted Alkenylboronates by Platinum‐Catalyzed Dehydrogenative Borylation期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Stereoselective Synthesis of cis‐β‐Methyl‐ and Phenyl‐Substituted Alkenylboronates by Platinum‐Catalyzed Dehydrogenative Borylation

Authors:	Toshimichi Ohmura Dr. Yuta Takasaki Hideki Furukawa Michinori Suginome Prof. Dr.

Affiliation:	Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto 615‐8510 (Japan), Fax: (+81)?75‐383‐2722 http://www.sbchem.kyoto‐u.ac.jp/suginome‐lab/

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).

Keywords:	boranes cross‐coupling dehydrogenative borylation platinum stereoselective synthesis