Asymmetric synthesis of heteroorganic analogs of natural compounds. 3. General preparative method of diastereo- and enantioselective synthesis of fluorine-containing 2(R), 3(S)-?-phenylserines
作者:V. A. Soloshonok、V. P. Kukhar'、S. V. Galushko、M. T. Kolycheva、A. B. Rozhenko、Yu. N. Belokon'
DOI:10.1007/bf00961372
日期:1991.5
The diastereo- and enantioselective synthesis of the previously unknown 2(R), 3(S)-beta-phenylserines containing fluorine atoms, the O-CHF2-, O-CF3-, and CF3 groups in the benzene ring, was carried out by alkylation of a Ni(II) complex of a Schiff base of glycine with (S)-2-N-(N'-benzylprolyl)aminobenzophenone by fluorine-substituted benzaldehydes. The factors influencing the stereochemical result of the reactions studied are not the steric characteristics of the substituents in benzaldehydes, but their electronic nature.