2-[((1R,8S)-1,11,11-Trimethyl-3,5-diaza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-4-ylamino)-methylene]-malonic acid diethyl ester 以
二苯醚 、
联苯 为溶剂,
反应 130.0h,
以45%的产率得到ethyl (7S,10R)-4-oxo-10,12,12-trimethyl-7,8,9,10-tetrahydro-7,10-methanopyrimido[2,1-b]quinazoline-3-carboxylate