2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6R)-3,4-bis-benzyloxy-6-[(1R,4S,5R,6R)-1,4-dihydroxy-6-(4-methoxy-benzyloxy)-5-methyl-2-methylene-10-trityloxy-decyl]-5-methyl-tetrahydro-pyran-2-ylmethyl ester 在
甲酸 作用下,
以
乙醚 为溶剂,
以81%的产率得到2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6R)-3,4-bis-benzyloxy-5-methyl-6-[(1R,4S,5R,6R)-1,4,10-trihydroxy-6-(4-methoxy-benzyloxy)-5-methyl-2-methylene-decyl]-tetrahydro-pyran-2-ylmethyl ester