Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{3-[2-(2,3-dihydro-benzofuran-5-yl)-ethyl]-1-methyl-1H-indol-4-yloxy}-tetrahydro-pyran-3-yl ester 在
甲醇 、
potassium carbonate 作用下,
生成 (2S,3R,4S,5S,6R)-2-{3-[2-(2,3-Dihydro-benzofuran-5-yl)-ethyl]-1-methyl-1H-indol-4-yloxy}-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol