6-(Furan-2-ylmethyl-methyl-amino)-1,3-dimethyl-5-(phenyl-hydrazonomethyl)-1H-pyrimidine-2,4-dione 在
lead(IV) acetate 作用下,
以
乙腈 为溶剂,
以40%的产率得到3,5,7-Trimethyl-12-phenyl-16-oxa-3,5,7,11,12-pentazatetracyclo[8.6.0.01,13.04,9]hexadeca-4(9),10,14-triene-6,8-dione