Multicomponent Catalytic Asymmetric Synthesis of <i>trans</i>-Aziridines
作者:Yubai Zhou、Anil K. Gupta、Munmun Mukherjee、Li Zheng、William D. Wulff
DOI:10.1021/acs.joc.7b02184
日期:2017.12.15
trans-aziridination of aliphaticaldehydes did not require prereaction of the catalyst, aldehyde, and amine, and instead, the diazo compound could be added directly. The scope of the reaction is limited to unbranched aliphaticaldehydes and was tolerant of a number of functional groups including ethers, esters, epoxides, carbamates, and phthalimides. A total of 10 aliphaticaldehydes were examined and found
Controlled Diastereo- and Enantioselection in a Catalytic Asymmetric Aziridination
作者:Aman A. Desai、William D. Wulff
DOI:10.1021/ja1038648
日期:2010.9.29
the development of an unprecedented universal catalyticasymmetricaziridination protocol. The substrate scope is broad and includes iminespreparedfrom both electron-rich and electron-poor aromatic aldehydes and also from 1°, 2°, and 3° aliphatic aldehydes. The face selectivity of the addition to the imine was found to be independent of the diazo compounds. The (S)-VANOL or (S)-VAPOL derived catalyst