methyl 3-cyclopentyl-4,7-dihydro-6-methyl-4-phenylisoxazolo<5,4-b>pyridine-5-carboxylate 在
platinum(IV) oxide 氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 6.0h,
以93.6%的产率得到5-[1-Amino-1-cyclopentyl-meth-(Z)-ylidene]-2-methyl-6-oxo-4-phenyl-1,4,5,6-tetrahydro-pyridine-3-carboxylic acid methyl ester