A. Robin, K. Julienne, J. C. Meslin, D. Deniaud, K. Sztanke et al., General procedure for ligands L 1-8 : to a 10 mL microwave reaction vessel was placed heterocyclic ring 3 or 4 (0.5 mmol) and dialdehyde 5 or 8 or diketone 6 or 7 (0.25 mmol) in methanol for L 1 mL) or in acetic acid for L 3-6 (4 mL) The vial was heated (internal temperature measured by fibre-optic) in a microwave synthesizer (MultiSYNTH ® , Milestone S.r.l.) to 110°C, min (110 W) ramp + 15 min irradiation (80 W)) for L 1, pp.634-657, 2006.

S. H. Hwang, C. Moorefield, L. Dai, G. Newkome, . Chem et al., Spectroscopic data of ligands L 1-8 : L 1 : Mp: 243-244°CCH 3 ) 3 ), 3.61 (s, 6H, NCH 3 ), 3.87 (s, 6H, OCH 3 ), 7.78 (s, 2H, H ar ), 8.02 (s, 1H, H ar ), 8.52 (s, 2H, CH)7; MS (maldi) m/z: 551, Mp: 245-247°C. IR (KBr): 3302TFA) ? ? 1.37 (s, 9H, C(CH 3 ) 3 ), 3.68 (s, 6H, NCH 3 ), pp.4019-3245, 1193.

2. Rmns, 1. , and H. Pyr, 66 (s, 6H, NCH 3 ), 3.87 (s, 6H, OCH 3 ), 8.57 (s, 2H, CH pyr ); 13 C RMN (TFA) ? 103; MS (CI+) m/z: 447, H RMN (TFA) ? ? 2.73 (s, 6H, CH 3 ), 3.75 (s, 6H, NCH 3 ), 3.95 (s, 6H, OCH 3 ), pp.197-199, 1189.

H. Hz and . Ar, 06 (s, 2H, CH), p.29

H. Hz and . Ar, RMN (TFA) ? 33