CN(C=O)C.[CH2:6]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[CH:8]=[CH:7]1.I[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1.C(N(CC)CC)C>CC([O-])=O.CC([O-])=O.[Pd+2].O.ClCCl>[C:16]1([C:7]2[CH2:8][C:9]3[C:14]([CH:6]=2)=[CH:13][CH:12]=[CH:11][CH:10]=3)[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1
20 ml of DMF, 2.2 g (20 mmol) of indene, 2.2 ml (20 mmol) of iodo-benzene, 2 ml of triethylamine and 0,134 (0,6 mmol) of Pd(OAc)2 were stirred under reflux for 10 hours. The resulting mixture was poured into the mixture of 50 ml of dicloromethane and 50 ml of water. Organic layer was separated, washed twice with water, filtered and dried over Na2SO4. Dicloromethane was removed and the residue was recrystallized from 20 ml of EtOH. The yeld of product was 65 %.
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