4-甲基-1,2,4-三吖啉-3,5-二酮 、 2-Methyl-4-oxo-5-vinyl-3,4-dihydro-2H-pyridine-1-carboxylic acid phenyl ester 以
甲苯 为溶剂,
反应 0.5h,
以73%的产率得到(8SR,9aSR)-2,8-dimethyl-1,3,6-trioxo-2,3,4,7,8,9a-hexahydro-1H,6H-2,3a,9,9b-tetraazacyclopenta[a]naphthalene-9-carboxylic acid phenyl ester