2S-benzyloxycarbonylamino-3-methyl-butyric acid 6S-(3-carbamoyl-[1,2,4]triazol-1-yl)-2-phenyl-tetrahydro-3aS,6aS-furo[3,4-d][1,3]dioxol-4S-ylmethyl ester 、
对甲苯磺酸 在
palladium hydroxide on carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 4.5h,
以98%的产率得到2S-amino-3-methyl-butyric acid 5S-(3-carbamoyl-[1,2,4]triazol-1-yl)-3R,4S-dihydroxy-tetrahydro-furan-2S-ylmethyl ester; compound with toluene-4-sulfonic acid