Three-component reactions of CF₃-substituted boranes, ethyl diazoacetate and imines
2012
Elkin, Pavel K. | Levin, Vitalij V. | Dilman, Alexander D. | Struchkova, Marina I. | Arkhipov, Dmitry E. | Korlyukov, Alexander A.
Aryl(methoxy)(trifluoromethyl)boranes, generated in situ, readily react with ethyl diazoacetate and N-(4-methoxyphenyl)imines to give derivatives of β-amino acids. In this process, the electron-deficient borane reacts with the diazo compound followed by trapping of the intermediate boron enolate by the imine. The final products are predominantly produced as syn isomers.
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