4-azido-6-(4-azido-6-{4-azido-6-[4-azido-6-(4-azido-2-methyl-6-phenylsulfanyl-tetrahydro-pyran-3-yloxy)-2-methyl-tetrahydro-pyran-3-yloxy]-2-methyl-tetrahydro-pyran-3-yloxy}-2-methyl-tetrahydro-pyran-3-yloxy)-2-methyl-tetrahydro-pyran-3-ol 在
platinum(IV) oxide 氢气 、 mercury(II) trifluoroacetate 、 sodium hydride 作用下,
以
甲醇 、
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
4.0 ℃
、101.33 kPa
条件下,
反应 7.08h,
生成 methyl [[[[(3-amino-2,3-dideoxy-4-O-methyl-α-L-fucopyranosyl)]-(1-4)-(3-amino-2,3-dideoxy-α-L-fucopyranosyl)]-(1-4)-(3-amino-2,3-dideoxy-α-L-fucopyranosyl)]-(1-4)-(3-amino-2,3-dideoxy-α-L-fucopyranosyl)]-(1-4)-3-amino-2,3-dideoxy-L-fucopyranoside