cinchonaalkaloids相关论文
Electrophilic α-cyanation toward α-cyano β-keto carbonyl compounds bearing a quaternary carbon cente
Recently,the direct electrophilic α-cyanation of β-keto esters or amides(1)has been accomplished using active hyperval......
目的:创建共轭硝基烯与活性醛的不对称Morita-Baylis-Hillman(MBH)反应催化体系,筛选具有高催化活性及对映选择性的手性催化剂。方......