80 OC for 36 h. bVinyltrimethylstannane waa used.'The trans, cis, and allyl isomers were obtained in a 69329 ratio. No attempt waa made to separate isomers. dNo attempt was made to optimize the conditions for this reaction. The trans, cis, and allyl isomers were obtained in a 93: 7: 0 ratio. No attempt waa made to separate isomers. eThe trans and cis isomers were obtained in a 91: 9 ratio. No attempt waa made to separate isomers.'The ...