Synthesis of Enantiomerically Pure 3-Amino-2-methylenealkanoates (Aza-Morita-Baylis-Hillman Adducts) Mediated by Cinchona Alkaloids
作者:Gianluca Martelli、Mario Orena、Samuele Rinaldi
DOI:10.1002/ejoc.201101244
日期:2011.12
reacted with (S)-1-(4-methoxyphenyl)ethylamine in the presence of astoichiometric amount of quinidine to yield (R)-3-[(tert-butoxycarbonyl)amino]-2-methylenealkanoates (aza-Morita–Baylis–Hillman adducts) in enantiomerically pure form.
3-取代的 (Z)-2-(溴甲基) 丙烯酸酯在化学计量的奎尼丁存在下与 (S)-1-(4-甲氧基苯基) 乙胺反应生成 (R)-3-[(叔丁氧基羰基) 氨基]-2-亚甲基链烷酸酯(aza-Morita-Baylis-Hillman 加合物)呈对映异构纯形式。