(S)-3-(tert-butyldimethylsilyloxy)-9,10-dihydroxy-6-methyl-8-methoxymethoxy-3,4-dihydroanthracen-1(2H)-one 在
manganese(IV) oxide 作用下,
以
氘代氯仿 、
二氯甲烷 为溶剂,
反应 1.0h,
生成 (3R,3aS,3bR,4R,12S)-3,4-bis(tert-butyldimethylsilyloxy)-1,7-dihydroxy-8,17-bis(methoxymethoxy)-10,15-dimethyl-3,3a,4,5-tetrahydro-2H-dibenzo[c,mn]naphtho[2,3-g]xanthene-6,13,18(3bH)-trione