The first Michael addition of metal ketone enolates to alpha,beta-unsaturated esters under catalytic conditions: Tin enolate with a catalytic amount of tetrabutylammonium bromide
M. Yasuda et al., The first Michael addition of metal ketone enolates to alpha,beta-unsaturated esters under catalytic conditions: Tin enolate with a catalytic amount of tetrabutylammonium bromide, J ORG CHEM, 64(7), 1999, pp. 2180-2181