The hydrostannation of allenes 1 with tributylstannyl hydride in the presence of B(C(6)F(5))(3) catalyst produced vinylstannanes 2 regioselectively, whereas the hydrostannation of 1 with tributylstannyl and triphenylstannyl hydride in the presence of Pd(PPh(3))(4) catalyst gave allylstannanes 5,6 regio- and stereo (in certain cases)-selectively. The mechanisms for these catalytic reactions were proposed.
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Gevorgyan et al. (1997) studied this question.
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