HMPA-Mediated conjugate addition of alkyl- and phenylthioallyl anions to cyclopentenone
作者:Malcolm R. Binns、Richard K. Haynes、Timothy L. Houston、W.Roy Jackson
DOI:10.1016/s0040-4039(01)85560-x
日期:1980.1
One equivalent of HMPA induces 1,4-addition of the title anions predominantly through the -position to cyclopentenone in THF at −78°. In THF alone irreversible addition takes place to give mixtures comprising largely and -1,2 products.