acetic acid 3-cyclopropylmethyl-4-(3,5-dicyano-benzoyl)-5-isopropyl-6-oxo-1,6-dihydro-pyridin-2-ylmethyl ester 在
ammonium hydroxide 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以57%的产率得到5-(5-cyclopropylmethyl-6-hydroxymethyl-3-isopropyl-2-oxo-1,2-dihydro-pyridine-4-carbonyl)-isophthalonitrile