2,3-diphenyl-2-cyclopropene-1-carbonitrile 、 1-methylspiro[aziridine-2,2'-indene]-1',3'-dione 在
spiro[2.2']indan-1',3'-dionespiro[5.2'']indan-1'',2''-dione-1,4-dimethylpiperazine 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以68%的产率得到(±)-(1R,5S,6R)-3-methyl-1',3'-dioxo-1,5-diphenyl-1',3'-dihydro-3-azaspiro[bicyclo[3.1.0]hexane-2,2'-indene]-6-carbonitrile