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Dr. Yoshihiro Nishimoto, Midori Takeuchi, Dr. Makoto Yasuda and Prof. Dr. Akio Baba Regio- and Stereoselective Carbobismuthination of Alkynes Angewandte Chemie International Edition 51

Version of Record online: 8 DEC 2011 | DOI: 10.1002/anie.201107127

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Three become one: The first carbobismuthination of alkynes has been accomplished by the simple reaction of an alkyne, BiBr3, and a ketene silyl acetal to produce an alkenylbismuth with high stereo- and regioselectivity (see scheme). X-ray crystallographic analysis of the alkenylbismuth product and control experiments using α-bismuthino ester revealed the reaction mechanism.

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