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

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  • This work was supported in part by a Grant-in-Aid for Young Scientists (B) (No. 20750076) from the Ministry of Education, Culture, Sports, Science and Technology (Japan).

Abstract

Die Plätze getauscht: In Gegenwart eines Platin-Phosphan-Katalysators findet ein intramolekularer B(pin)/H-Austausch statt (siehe Schema; B(pin)=4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl). Dabei bilden sich stereoselektiv cis-β-Methyl-substituierte Alkenylboronate, die nützliche Synthesebausteine sind.

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