Several benzylic copper reagents, benzylcopper, 4-methoxybenzylcopper
and 1-phenylethylcopper, facilitate the conjugate addition of the corr
esponding benzyl ligands to alpha,beta-enoates in the presence of tetr
amethylethylene diamine and trimethylsilyl chloride in high yields. Co
pyright (C) 1996 Published by Elsevier Science Ltd