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Synlett 1993; 1993(11): 835-836
DOI: 10.1055/s-1993-22624
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Mg/PbBr2 Bimetal Redox-Promoted Stannation of Propargyl, Allyl, Vinyl, and Aryl Halides

Hideo Tanaka* , A. K. M. Abdul Hai, Hidenori Ogawa, Sigeru Torii
  • *Department of Applied Chemistry, Faculty of Engineering, Okayama University, Okayama 700, Japan
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Publication Date:
19 March 2002 (online)

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Reductive coupling of propargylic bromides with tributylstannyl chloride was performed in a regioselective manner by the aid of magnesium metal and a catalytic amount of lead(II) bromide in THF, affording allenyltributylstannanes. In a similar manner, allyl-, vinyl-, and aryl-tributylstannanes were prepared from the corresponding halides.