. Chlorodibenzo, The reaction of 2-(1-(2-bromobenzyl)-4- chloropyrazol-5-yl)benzonitrile 10 (0.372 g, 1 mmol) and PivOK (0.280 g, 2 mmol) at 150°C during 20 h in DMA (4 mL) in the presence of PdCl(C 3 H 5 )(dppb) (12.2 mg, 0.02 mmol) under argon affords, after evaporation of the solvent and purification on silica gel, Hz, 1H), 7.90 (d, J = 8.2 Hz, 1H), 7.68 (t, J = 7.8 Hz, 1H), pp.60-61

. Hz, 13 C NMR (100 MHz, CDCl 3 ) ? 140, pp.4-99

. Bromodibenzo, pyrazolo[1,5-a]azepine-4- carbonitrile (41) The reaction of 2-(4-bromo-1-(2- bromobenzyl)-pyrazol-5-yl)

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