PARTE EXPERIMENTAL12'11'10'9'8'7'6'5'4'3'2'O1'NH4 53 12OO(±)-(2E)-N-<strong>do</strong><strong>de</strong>cenoil-homosserina lactona. Rendimento: 20,0 mg;68,0 %. R f 0,658 (CH 2 Cl 2 /AcEt 1/1). CG-EM (IE, 70 eV) m/z 281 (M +. , 6%),181 (73 %), 154 (36%), 143 (21%), 102 (12%), 97 (30%), 81 (49%), 55(100%).IV (KBr): 3326, 2917, 2834, 1770, 1634, 1533, 1161, 1006, 650 cm -1 .RMN <strong>de</strong> 1 H (499,88 MHz, CDCl 3 , TMS): δ 0,88 (t, 3H, J 6,6 Hz, H-12’), 1,26 (m, 12H, H-6’ a H-11’), 1,44 (m, 2H, H-5’), 2,20 (m, 2H, H-4’),2,20 (m, 1H, H-4), 2,91 (m, 1H, H-4), 4,31 (ddd, 1H, J 11,4; 9,4 e 5,9 Hz,H-5), 4,49 (t, 1H, J 8,9 Hz, H-5), 4,59 (ddd, 1H, J 11,4; 8,5 e 5,5 Hz, H-3),5,82 (d, 1H, J 15,3 Hz, H-2’), 5,95 (s, NH, largo), 6,91 (dt, 1H, J 7,0 e 15,3Hz, H-3’).RMN <strong>de</strong> 13 C (125,69 MHz, CDCl 3 , TMS): δ 14,1 (C-12’); 22,7 (C-11’); 29,5; 29,4; 29,3; 29,2; 28,1 (C-10’ a C-6’), 31,9 (C-5’), 32,1 (C-4’),30,8 (C-4), 49,4 (C-3), 66,2 (C-5), 122,2 (C-2’), 147,0 (C-3’), 166,4 (C-1’);175,5 (C-2).12'11'10'9'8'7'6'5'4'3'2'O1'NH4 5312HOO165
PARTE EXPERIMENTAL(S)-(2E)-N-<strong>do</strong><strong>de</strong>cenoil-homosserina lactona. Rendimento: 20,1 mg;68,3 %. CG-EM (IE, 70 eV) m/z 281 (M +. , 6%), 181 (69 %), 154 (33%), 143(19%), 102 (13%), 97 (30%), 81 (50%), 55 (100%).[α] 20 D = -11,5º (c. 0,16; MeOH).IV (KBr): 3320, 3071, 2917, 2829, 1771, 1631, 1533, 1389, 1159 cm -1 .RMN <strong>de</strong> 1 H (300,06 MHz, CDCl 3 , TMS): δ 0,88 (t, 3H, J 6,2 Hz, H-12’), 1,26 (m, 12H, H-6’ a H-11’), 1,72 (m, 2H, H-5’), 2,17 (m, 2H, H-4’),2,17 (m, 1H, H-4), 2,86 (m, 1H, H-4), 4,29 (ddd, 1H, J 11,0; 9,2 e 5,5 Hz,H-5), 4,48 (t, 1H, J 9,2 Hz, H-5), 4,65 (ddd, 1H, J 11,0; 8,8 e 6,2 Hz, H-3),5,83 (d, 1H, J 15.4 Hz, H-2’), 6,22 (s, NH, largo), 6,89 (dt, 1H, J 7,3 and15,0 Hz, H-3’).RMN <strong>de</strong> 13 C (75,45 MHz, CDCl 3 , TMS): δ 14,2 (C-12’); 22,7 (C-11’); 29,5; 29,4; 29,3; 29,2; 28,2 (C-10’ a C-6’), 31,9 (C-5’), 32,2 (C-4’),30,6 (C-4), 49,3 (C-3), 66,2 (C-5), 122,2 (C-2’), 146,7 (C-3’), 166,3 (C-1’);175,6 (C-2).5.4.9. Síntese da (S)-(2E,7Z)-tetra<strong>de</strong>cadienil-HSL5.4.9.1. Obtenção da (S)-(N)-3-oxo-(7Z)-tetra<strong>de</strong>cenoil-HSLA um balão <strong>de</strong> 125 mL com duas saídas sob atmosfera <strong>de</strong> nitrogênioseco adicionou-se 20 mL <strong>de</strong> diclorometano seco, áci<strong>do</strong> <strong>de</strong> Meldrum (288mg; 2 mmol), diciclohexilcarbodiimida (453,2 mg; 2,2 mmol), 4-(dimetilamino)-piridina (256,2 mg; 2,1 mmol) e áci<strong>do</strong> 5-cis-<strong>do</strong><strong>de</strong>cenóico166
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VDEDICATÓRIADEDICO ESTE TRABALHO
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VIIIBraga, Dr. José Augusto R. Rod
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XPOMINI, A. M. ; CABEÇA, L. F. ; C
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XIIde cadeia longa. Realizou-se tam
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XIVacyl-HSLs. We have also studied
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XVINBNOEODPpmR fRMNROERLUSTDSAMTMST
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XVIII3.3.4.2. Síntese da (S)-N-(2E
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XX5.4.10. Co-injeções das acil-HS
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