Department of Chemistry, Graduate School of Science, Chiba University, Inage, Chiba 263-8522, Japan.
Org Biomol Chem. 2014 Mar 28;12(12):1935-41. doi: 10.1039/c3ob42111b. Epub 2014 Feb 14.
The asymmetric α-amination of alkenyl trifluoroacetates with dialkyl azodicarboxylates catalyzed by the DTBM-SEGPHOS·AgOTf complex takes place in the presence of 2,2,2-trifluoroethanol with almost quantitative yield and high ees of up to 97%.
手性双噁唑啉膦配体 DTBM-SEGPHOS·AgOTf 催化的烯基三氟乙酸酯与二取代偶氮二甲酸酯的不对称 α-胺化反应在 2,2,2-三氟乙醇存在下进行,几乎定量产率,ee 值高达 97%。