1-乙基-1H-吲哚-2,3-二酮 、
肌氨酸 、
4,6-Dimethyl-11-[(4-nitrophenyl)methylidene]-3,7-diphenyl-10-thia-1,2,4,6,8-pentazatricyclo[7.3.0.03,7]dodec-8-ene-5,12-dione 以
乙腈 为溶剂,
反应 36.0h,
以58%的产率得到1''-ethyl-1,1',3-trimethyl-4'-(4-nitrophenyl)-3a,9a-diphenyl-3,3a,9,9a-tetrahydrodispiro[imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-6,3'-pyrrolidine-2',3''-indole]-2,2'',7(1H,1''H)-trione