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, Bromo-(? 5 -cyclopentadiényl) {5,11,17,23-terta-tert-butyl-25,27-bis (4-(2, 4, 6-triméthylphényl) imidazole-2-ylidiène-butyloxy)-26, vol.131

, Après refroidissement, le mélange est filtré sur célite jusqu'au obtenir un filtrat transparent

T. Le and . Évaporé, Puis 15 ml de pentane distillé sont rajoutés. Après décantation, le filtrat de couleur verte est éliminé, cette opération est répétée jusqu'au obtenir un filtrat transparent

, Le résidu est ensuite dissous dans 2 ml THF puis filtré sur silice. La fraction rouge est récupérée, séchée pour donner 0.14 g (0.091 mmol) d'une poudre rouge-violet

H. Rmn, CDCl3) ? 0.94 (s, 18H, MHz, issue.300

4. Qn and J. =. , 7 Hz, CH2-CH2-O); 2.39 (s, 6H, Ar-CH3); 2.51 (pseudoqn

. Hz, OCH2); 4.30 (d, 4H, J = 12.6 Hz, Ar-CH2-Ar)

C. Hz, 85 (s, 2H, OH); 7.03 (s, 4H, H-Ar), vol.6, p.7

, 46 (s, 2H, CH-N), vol.7

, 13 C NMR (75 MHz, CDCl3)

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, IV.1. Introduction

, Dans ce chapitre on s'intéresse à décrire la synthèse du mono tert-butyl ester mono pyrene acetamide calix[4]arene 2 et son dérivé acide 3 comportant des unités pyrène fluorescente

, Pb 2+ Selectivity of Two New mono pyrene acetamide calix

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. Iv, Conclusion Deux nouveaux composés fluorescents ont été synthétisés : composé 2 correspond à le dérivé acide présente une meilleure sélectivité par rapport au dérivé acétamide