[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(1-cyano-2-sulfanylidene-4-thiophen-2-yl-5,6-dihydrobenzo[f]isoquinolin-3-yl)oxan-2-yl]methyl acetate 在
氨 作用下,
以
甲醇 为溶剂,
以87%的产率得到4-Thiophen-2-yl-2-thioxo-3-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-2,3,5,6-tetrahydro-benzo[f]isoquinoline-1-carbonitrile