cis-2-Acetyl-2,3-dihydro-2,3-dihydroxy-1H-cyclopentanthracene-4,11-dione 、
1-chloro-2,3,6-trideoxy-4-O-(p-nitrobenzoyl)-3-(trifluoroacetamido)-α-L-lyxo-hexopyranose 在
silver trifluoromethanesulfonate 、
calcium carbonate 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 0.25h,
生成 4-Nitro-benzoic acid (2S,3S,4S,6S)-6-((1R,2S)-2-acetyl-2-hydroxy-4,11-dioxo-2,3,4,11-tetrahydro-1H-cyclopenta[b]anthracen-1-yloxy)-2-methyl-4-(2,2,2-trifluoro-acetylamino)-tetrahydro-pyran-3-yl ester 、 4-Nitro-benzoic acid (2S,3S,4S,6S)-6-((1S,2R)-2-acetyl-2-hydroxy-4,11-dioxo-2,3,4,11-tetrahydro-1H-cyclopenta[b]anthracen-1-yloxy)-2-methyl-4-(2,2,2-trifluoro-acetylamino)-tetrahydro-pyran-3-yl ester