Triethylborane-mediated hydrogallation and hydroindation: Novel access to organogalliums and organoindiums

…, H Yorimitsu, H Shinokubo, K Oshima

Index: Takami, Kazuaki; Yorimitsu, Hideki; Shinokubo, Hiroshi; Matsubara, Seijiro; Oshima, Koichiro Organic Letters, 2001 , vol. 3, # 13 p. 1997 - 1998

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Citation Number: 62

Abstract

Hydrogallation of carbon-carbon multiple bonds proceeds in the presence of triethylborane as a radical initiator. Several functionalities do not interfere with this reaction. Resulting alkenyl-and alkylgallium species can be trapped by several electrophiles. Highly regioselective radical addition of an indium hydride reagent to alkynes is also achieved. Various functionalities are tolerant under the reaction conditions. The reaction proceeds ...

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