Component match in rhodium catalyzed three-component reactions of ethyl diazoacetate, H2O and aryl imines: a highly diastereoselective one-step synthesis of β-aryl isoserine derivatives
作者:Zhenqiu Guo、Taoda Shi、Jun Jiang、Liping Yang、Wenhao Hu
DOI:10.1039/b915013g
日期:——
Water and ethyl diazoacetate were found to be matched components for generating highly reactive nucleophilic oxonium ylide in the presence of a dirhodium acetate catalyst. Simultaneous trapping of the oxonium ylide intermediate with aryl imines gave β-aryl isoserine derivatives with high diastereoselectivity.
发现水和重氮乙酸乙酯是在乙酸二铑催化剂存在下生成高反应性亲核氧鎓叶立德的匹配组分。同时捕获氧鎓叶立德中间体与芳基亚胺得到具有高非对映选择性的β-芳基异丝氨酸衍生物。