Diastereoisomerism of thiol complexes of arsenic acids and pseudoasymmetry of arsenic: a1H and13C NMR study
作者:John S. Edmonds、Takashi Nakayama、Takuya Kondo、Masatoshi Morita
DOI:10.1002/mrc.1739
日期:2006.2
Diastereoisomeric complexes of methylphenylarsinic acid and (L)‐glutathione could be partially separated by HPLC, but the separated compounds rapidly racemized, presumably by pyramidal inversion at the arsenic atom. Hydrolysis of the diastereoisomeric complexes yielded methylphenylarsinous acid as a pair of enantiomers revealed by a 1H NMRstudy with an asymmetric lanthanide shift reagent. Methylphenylarsinous