octyl 2-O-benzoyl-5-O-tert-butyldiphenylsilyl-α-D-arabinofuranoside 在
iodonium(di-γ-collidine) perchlorate 、 4 A molecular sieve 、
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
反应 6.5h,
生成 Benzoic acid (2S,3S,4R,5R)-4-[(2S,3S,4S,5R)-4-benzyloxy-5-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-tetrahydro-furan-2-yloxy]-5-(tert-butyl-diphenyl-silanyloxymethyl)-2-octyloxy-tetrahydro-furan-3-yl ester