Studies on Organophosphorus Compounds; XLI. A Convenient Synthesis of Alkyl Hydrogen α-(Benzyloxycarbonylamino)benzylphosphonates
作者:Chengye Yuan、Guohong Wang
DOI:10.1055/s-1990-26847
日期:——
Alkyl hydrogen α-(benzyloxycarbonylamino)benzylphosphonates are prepared from substituted benzaldehydes, benzyl carbamate, and phosphorus(III) chloride in acetic acid containing thionyl chloride and subsequent alcoholysis. The reactions proceed smoothly at room temperature and afford the title compounds in moderate to good yield.
One-pot synthesis of <i>N</i>-Cbz-α-aminophosphonic acids
作者:Alexei V. Vinyukov、Maxim E. Dmitriev、Valery V. Ragulin
DOI:10.1080/10426507.2016.1248289
日期:2017.4.3
GRAPHICAL ABSTRACT ABSTRACT The paper describes the synthesis of N-protected-α-aminoalkylphosphonic acids, phosphoisosteres of amino acids, from phosphorous acid. A simple, milder and effective one-pot procedure for the amidoalkylation of phosphorous acid in a mixture of acetic anhydride and acetyl chloride at room temperature allows to combine the formation of amino phosphorylic function with the