{60 -Methyl glutathione, analogs thereof, intermediates therefore and processes for their preparation

摘要: This disclosure describes the preparation of alpha -methyl glutathione and its aspartyl analog by reaction N-carbobenzoxy- glutamic or aspartic acid anhydrides with S-benzyl-cysteinyl glycine at a temperature about 0 DEG C. pH 11. The protecting groups are subsequently removed reduction sodium in liquid ammonia. dehydration substituted acids acetic anhydride dicyclohexylcarbodiimide is also described.