(2S,4S)-(+)-4-O-(3,4-di-O-acetyl-2,6-dideoxy-α-L-lyxo-hexopyranosyl)-2-fluoroacetyl-2,4,5,12-tetrahydroxy-7-methoxy-1,2,3,4-tetrahydro-6,11-naphthacenedione 在
potassium carbonate 作用下,
以
甲醇 、
氯仿 为溶剂,
以58%的产率得到(2S,4S)-(+)-4-O-(2,6-dideoxy-α-L-lyxo-hexopyranosyl)-2-fluoroacetyl-2,4,5,12-tetrahydroxy-7-methoxy-1,2,3,4-tetrahydro-6,11-naphthacenedione