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armando mateus pomini - Biblioteca do Instituto de Química - Unicamp

armando mateus pomini - Biblioteca do Instituto de Química - Unicamp

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PARTE EXPERIMENTALdiclorometano/acetato <strong>de</strong> etila 30%. O solvente foi evapora<strong>do</strong> sob pressãoreduzida.14'13'12'11'10'9'8'7'6'5'4'OH3'2'O1'NH4 53 12HOO(S)-N-[3-hidroxi-(7Z)]-tetra<strong>de</strong>cenoil-homosserina lactona.Rendimento: 133,1 mg; 88%.IV (KBr): 3318, 3272, 2917, 2844, 1797, 1642, 1552, 1161, 1015 cm -1 .RMN <strong>de</strong> 1 H (300,0 MHz, CDCl 3 , TMS): δ 0,88 (t, 3H, J 7,1 Hz, H-14’), 1,27 (m, 8H, H-10’ a H-13’), 1,50 (m, 4H, H-4’ e H-5’), 2,01 (m, 4H,H-6’ e H-9’), 2,21 (m, 1H, H-4), 2,41 (m, 2H, H-2’), 2,72 (m, 1H, H-4), 3,44(m, 1H, H-3’), 4,00 (s, OH, largo), 4,28 (m, 1H, H-5), 4,47 (m, 1H, H-5),4,58 (m, 1H, H-3), 5,35 (m, 2H, H-7’ e H-8’), 6,80 (s, NH, largo).RMN <strong>de</strong> 13 C (75,5 MHz, CDCl 3 , TMS): δ 14,1 (C-14’); 22,6 (C-13’);29,0; 29,7; 29,9; 26,9; 27,3 (C-12’ a C-9’; C-6’), 25,6 (C-5’), 36,5 (C-4’),68,5 (C-3’), 42,5 (C-2’), 31,8 (C-4), 49,2 (C-3), 66,1 (C-5), 172,9 (C-1’);175,6 (C-2), 129,1 (C-8’), 130,6 (C-7’).169

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