Hydrostannylation of methyl (tri-n-butylstannyl)propiolate, 5, under f
ree radical conditions provides ready access to the corresponding 3,3-
bis(tri-alkylstannyl)acrylates. Hydrostannylation of 5 in the presence
of Pd(O) affords the isomeric bis-stannane 7. (C) 1997 Published by E
lsevier Science Ltd. All rights reserved.