A reinvestigation of asymmetric induction in diels-alder reactions to chiral acrylates.
作者:Wolfgang Oppolzer、Mark Kurth、Daniel Reichlin、Frank Moffatt
DOI:10.1016/s0040-4039(01)90516-7
日期:1981.1
The chiral induction in the Diels-Alder addition 1 → 2, assessed reliably by 19F-NMR-spectroscopy of the endo-esters 4, varied between 47 - 93% in favor of the 2-(R)-adducts 2 depending on the auxiliary chiral group and the Lewis-acid catalyst.
的手性诱导的狄尔斯-阿德耳加成1→2,通过可靠地评估19所述的F-NMR光谱内切-酯4,47之间变化-赞成2-(R)93%2取决于-adducts辅助手性基团和路易斯酸催化剂。