SYNTHESIS OF (Z)-1,2-BIS(TRIMETHYLSTANNYL)-1-ALKENES BY PLATINUM-CATALYSED ADDITION OF HEXAMETHYLDISTANNANE TO 1-ALKYNES
Addition of hexamethyldistannane to 1-alkynes in the presence of tetrakis(triphenylphosphine)palladium yields the title compounds, which can be photo-chemically isomerised to the corresponding (E)-distannylalkenes.
Mitchell, T. N.,Amamria, A.,Killing, H.,Rutschow, D.
PALLADIUM CATALYSIS IN ORGANOTIN CHEMISTRY: ADDITION OF HEXAALKYLDITINS TO ALKYNES
Tetrakis(triphenylphosphine)palladium(0) catalyses the cis-addition of hexaalkylditins R6Sn2 (R = Me, Et, Bu) to acetylene and 1-alkynes; for R = Bu, however the reaction is not quantitative.With very few exceptions there is no reaction in the case of non
Mitchell, T.N.,Amamria, A.,Killing, H.,Rutschow, D.
p. 257 - 266
(2007/10/02)
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