Straightforward Synthesis of Optically Pure Methyl (S)-2-Phthalimido-4-oxobutanoate and Some of Its Acetal and Thioacetal Derivatives
作者:Patrick Meffre、Philippe Durand、François Le Goffic
DOI:10.1055/s-1995-4056
日期:1995.9
An improved procedure for the synthesis of optically pure methyl (S)-2-phthalimido-4-oxobutanoate (3a) and some of its acetal and thioacetal derivatives 4, 5 and 7 from cheap commercially available L-methionine methyl ester hydrochloride (1a) is described.