5-(2-(4-methoxyphenethyl)benzylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione 在
scandium tris(trifluoromethanesulfonate) 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 8.0h,
以96%的产率得到3-(4-methoxyphenyl)-1',3'-dimethyl-3,4-dihydro-1H,1'H-spiro[naphthalene-2,5'-pyrimidine]-2',4',6'(3'H)-trione