邻三氟甲基苯甲醛 、
(E)-3-Amino-but-2-enoic acid tetrahydro-pyran-2-ylmethyl ester 、 (1,1,3-trioxo-2,3-dihydro-1,2-benzisothiazol-2-yl)methyl acetylacetate 以
乙醇 为溶剂,
反应 18.0h,
以39%的产率得到2,6-Dimethyl-4-(2-trifluoromethyl-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(tetrahydro-pyran-2-ylmethyl) ester 5-(1,1,3-trioxo-1,3-dihydro-1λ
6-benzo[d]isothiazol-2-ylmethyl) ester