作者:Tania Xavier、Sylvie Condon、Christophe Pichon、Erwan Le Gall、Marc Presset
DOI:10.1021/acs.joc.0c02895
日期:2021.4.16
The decarboxylative Mannich reaction between imines and substituted malonic acids half-oxyesters (SMAHOs) has been developed using 1,4-diazabicyclo[2.2.2]octane (DABCO) as an organocatalyst. The reaction proceeds under simple reaction conditions and tolerates a broad range of substrates, affording general access to β2,3-aminoesters, the syn diastereomer being the major one. An alternative multicomponent
亚胺与取代的丙二酸半含氧酸酯(SMAHOs)之间的脱羧曼尼希反应已使用1,4-二氮杂双环[2.2.2]辛烷(DABCO)作为有机催化剂进行了开发。简单的反应条件下进行反应并耐受宽范围的底物,得到一般访问β 2,3 -aminoesters,顺式非对映体是主要的。还开发了一种替代性的多组分方案,以提高该工艺的总体生态兼容性。