2-[(R)-3-((2R,3R,4R)-2,3-Bis-benzyloxy-5-methoxy-4-methylamino-pentanoylamino)-1-methyl-propyl]-oxazole-4-carboxylic acid methyl ester 、
碘甲烷 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成
2-[(R)-3-((2R,3R,4R)-2,3-Bis-benzyloxy-4-dimethylamino-5-methoxy-pentanoylamino)-1-methyl-propyl]-oxazole-4-carboxylic acid methyl ester