1-((2R,3R,4S,5R,6R)-3,4,5-Triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-1,4-dihydro-pyridine-3,4-dicarboxylic acid dimethyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以79%的产率得到1-((2R,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-1,4-dihydro-pyridine-3,4-dicarboxylic acid dimethyl ester