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18 (s, 1 H, NH) ppm. 13 C NMR (63 MHz CDCl 3 ): ? = 22, 139.3 (CH)CO 2 Me) ppm. IR (KBr): ? ? = 3198 (NH), 1663 (C=O) ,
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37 (s, 1 H, NH) ppm. 13 C NMR (63 MHz CDCl 3 ): ? = 14, 130.7 (C), 139.5 (C), 141.2 (C) R) ppm. IR (KBr): ? ? = 2925 (NH), pp.1727-1659 ,
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59 (s, 2 H, NH) ppm. 13 C NMR (63 MHz, CDCl 3 ): ? = 51, CH) 111.5 (2 CH) CH) C) ppm. IR (KBr), pp.3257-1670 ,
77 (s, 1 H, NH) ppm. 13 C NMR (63 MHz CDCl 3 ): ? = 51, 123.7 (CH) 166.7 (C) ppm. IR (KBr): ? ? = 3225 (NH), pp.1670-1671 ,
60 (s, 1 H, ArH), 9.87 (s, 1 H, NH) ppm. 13 C NMR (63 MHz, CDCl 3 ): ? = 14, m, 3 H, ArH), 7.64 (d, J = 8.3 Hz (C) ppm. IR (KBr): ? ? = 3293 (NH, pp.4-377037 ,
Column chromatography (CH 2 Cl 2 /cyclohexane, 2:3 to 1:1) gave compound 16 as a yellow solid (71 mg, 32 %). M.p. 193? 195 °C. 1 H NMR (250 MHz, CDCl 3 ): ? = 1, ArH), 7.49 (dd, J = 8.0 and 8.0 Hz, 1 H, ArH), 8.34 (s, 2 H, ArH), 9.64 (s, 2 H, NH) ppm. 13 C NMR (63 MHz CH), pp.37-60 ,
88 (s, 1 H, NH) ppm. 13 C NMR (63 MHz CDCl 3 ): ? = 14, CH) CH) (C) ppm. IR (KBr): ? ? = 3307 (NH), pp.60-165 ,
Acknowledgments Financial support from the SRI of UPV-M is gratefully acknowledged . We also thank Egide (France) / Grices (Portugal) for support through the Pessoa program, 11.22 (s, 1 H, NH) ppm. 13 C NMR (63 MHz 123.1 (C), 127.8 (CH), 128.4 (CH)COCH 3 ) ppm. IR (KBr): ? ? = 3265 (NH), 1687 (C=O), 1662 (C=O) cm ?1 . C 23 H 22, pp.133-134, 2000. ,
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Jusqu'à présent, la synthèse d'arylamines en série thiophénique n'avait été que peu décrite. Nous nous sommes ainsi intéressés à la réactivité de dérivés substitués des 2-et 3-bromothiophènes dans les couplages C-N palladocatalysés. Par la suite ,