pyrazine-2-carboxylic acid (cyclohexyl-{1-[4-[1-(cyclopropylcarbamoyl-hydroxy-methyl)-butylcarbamoyl]-1-(toluene-4-sulfonyl)-pyrrolidin-3-ylcarbamoyl]-2,2-dimethyl-propylcarbamoyl}-methyl)-amide 在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
以74%的产率得到pyrazine-2-carboxylic acid (cyclohexyl-{1-[4-(1-cyclopropylaminooxalyl-butylcarbamoyl)-1-(toluene-4-sulfonyl)-pyrrolidin-3-ylcarbamoyl]-2,2-dimethylpropyl carbamoyl}-methyl)-amide