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. Masse-moléculaire, Cl 2 37 A une solution de 6',4'''-diméthyl-6,4''-[oxa-bis(méthylène)][2,2'-bithiazole][2,2'- bipyridine] 14 (30 mg mg; 0,08 mmol) Le mélange est chauffé jusqu'à dissolution de CoCl 2 . La solution est agitée pendant une nuit sous argon à température ambiante, est ajouté du CoCl 2 .6H 2 O Le solvant est évaporé. Le résidu obtenu est recristallisé dans un tube à essai bouché par diffusion solvant / non-solvant : CH 2 Cl 2 + quelques gouttes MeOH / CH 3 CN. Après plusieurs jours, des cristaux bleus se forment sur les parois à l'interface, pp.8-11

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