Synthesis and evaluation of 4,4′,6,6′-tetrasubstituted binaphtholphosphate dirhodium(II) complexes as catalysts in enantioselective carbonyl ylide formation–cycloaddition reactions
作者:David M. Hodgson、Deborah A. Selden、Alexander G. Dossetter
DOI:10.1016/j.tetasy.2003.09.029
日期:2003.12
The synthesis of tetrakis[4,4′,6,6′-tetrasubstituted-1,1′-bi-2-naphtholphosphate]dirhodium(II) complexes, and their use as catalysts in the enantioselective tandem carbonyl ylide formation–intramolecular 1,3-dipolar cycloaddition of an unsaturated 2-diazo-3,6-diketoester, generating cycloadduct in up to 86% ee, is described.
四[4,4',6,6'-四取代-1,1'-联-2-萘酚磷酸酯] dirhodium(II)配合物的合成及其在对映选择性串联羰基叶立德形成中的催化剂–分子内1描述了不饱和的2-重氮-3,6-二酮酸酯的3-偶极环加成,其产生高达86%ee的环加合物。