丁炔二酸二甲酯 、 trans-4-tert-butylamino-6,7-bis(tert-butyldimethylsilyloxy)-2,3,6,7-tetrahydro-5-methoxy-1H-cyclobuta[1,2-e]indene 以
甲苯 为溶剂,
反应 12.0h,
以82%的产率得到dimethyl (4-tert-butylamino-6-tert-butyldimethylsilyloxy-2,3-dihydro-5-methoxy-1H-cyclopenta[a]naphthalene-7,8-dicarboxylate)