论文:An efficient stereocontrolled strategy in the cyclopropanation reactions of a,p-unsaturated ketones with semistabilized ylides:Highly selective synthesis of two geometrical isomers of
论文:An efficient stereocontrolled strategy in the cyclopropanation reactions of a,p-unsaturated ketones with semistabilized ylides:Highly selective synthesis of two geometrical isomers of vinyl-substituted cyclopropane derivatives