THE PHOSPHONIC ANALOGUES OF THREONINE AND β-PHENYLSERINE: PREPARATION AND ANALYSIS OF STEREOISOMERS
作者:Ewa Matczak-jon、Józef Barycki、Malgorzata Milewska、Wanda Sawka-dobrowolska
DOI:10.1080/10426509808029670
日期:1998.11.1
Abstract The simple procedures for the preparation of 1-amino-2-hydroxypropanephosphonic (3) and 1-amino–2-hydroxy-2-phenylethane phosphonic (4) acids in acceptable yields are described. We showed by NMR studies with chiral Pr(hfc)3 shift reagent and by HPLC that the reactions are not stereospecific and both products constitute a mixture of all feasible stereoisomers. The crystal structure of the racemic
摘要 描述了以可接受的产率制备 1-氨基-2-羟基丙烷膦酸 (3) 和 1-氨基-2-羟基-2-苯基乙烷膦酸 (4) 的简单程序。我们通过使用手性 Pr(hfc)3 位移试剂的 NMR 研究和 HPLC 表明反应不是立体有择的,两种产物构成所有可行立体异构体的混合物。外消旋体 (3) 的晶体结构也由 X 射线确定。