Acetic acid (2R,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(3-cyano-2-thioxo-2,5,6,7-tetrahydro-[1]pyrindin-1-yl)-tetrahydro-pyran-3-yl ester 在
氨 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以82%的产率得到2-sulfanylidene-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile