(E)- or (Z)-perfluorinated beta-enaminoesters were prepared by direct addition of primary or secondary amines to ethyl perfluoroalkynoates without any catalyst. (C) 2002 Elsevier Science B.V. All rights reserved.
(E)-或(Z)-全氟乙基β-联氨酸酯通过直接向乙基二氟乙炔酸酯中添加一元或二元胺制备,无需催化剂。 (C) 2002 Elsevier Science B.V. All rights reserved.
Transamination of fluorinated β-keto carboxylic esters. A biomimetic approach to β-polyfluoroalkyl-β-amino acids.
作者:Vadim A. Soloshonok、Alexander G. Kirilenko、Valery P. Kukhar'、Giuseppe Resnati
DOI:10.1016/s0040-4039(00)73652-5
日期:1993.5
The base-catalyzed isomerization of N-benzylimines (or enamines) of beta-polyfluoroalkyl-beta-ketocarboxylic esters cleanly affords the N-benzylidene derivatives of beta-polyfluoro-beta-aminocarboxylic esters which are hydrolyzed to corresponding amino acids in high overall yields.