تفاعل #705765
ord-409e0da7a5ea42898da391d3c2d39d68
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[α]D +72.0°(MeOH, c 0.122); UV λmax (ε) 250 (25500), 284 (5300); IR (neat) νmax 3407, 3239, 2958, 1743, 1727, 1667, 1538, 1469, 1242, 1196, 1177, 694 cm-1 ; EIMS m/z (rel intensity) 658/660/662 (2.1/1.4/0.3), 483 (7.6) 432/434/436 (9.5/6.4/1.8), 300/302/304 (8.0/5.5/1.2), 227 (100) 91 (87); high resolution EIMS m/z 658.2207 (calcd for C34H40Cl2N2O7, 0.6 mmu error); 1H-NMR(CDCl3):amino or hydroxy acid unit δ (carbon position, multiplicity; J in Hz) 5-hydroxy-6-methyl-8-phenyl-2,7-octadienoic acid (A) 5.80 (2, d; 14.7), 6.66 (3, ddd; 14.7, 8.5 and 5.5), 2.38 (4, m), 2.53 (4, m), 4.97 (5, br dd; 10.4 and 6.2), 2.57 (6, m), 1.14 (6-Me, d; 6.7), 6.01 (7, dd; 15.9 and 8.7), 6.42 (8, d; 15.9), 7.28-7.34 (10/11/1314, m), 7.22 (12; m); 3,5-dichloro-4hydroxyphenylalanine (B) 4.82 (2, m), 5.73 (2-NH, br d; 8.7), 3.02 (3, dd; 14.3 and 6.2), 3.10 (3, dd; 14.3 and 5.2), 7.14 (5/9, s), 5.79 (7-OH, s); 3-amino-2-methylpropionic acid (C) 2.73 (2, m), 1.21 (2-Me, d; 7.0), 3.17 (3, m), 3.60 (3, m), 6.81 (3-NH, br t; 6.7); leucic acid (D) 4.84 (2, dd;10.0 and 3.2), 1.38 (3, ddd; 14.9, 10.2 and 3.2), 1.65 (3, m), 1.65 (4, m). 0.78 (4-Me, d; 6.5), 0.73 (5, d; 6.5); 13C NMR (CDCl3) unit δ (carbon position) A 165.5 (1), 125.4 (2), 141.2 (3), 36.4 (4), 77.6 (5), 42.3 (6), 17.3 (6-Me), 130.0 (7), 131.9 (8), 136.7 (9), 126.2 (10/14), 128.6 (11/13), 127.6 (12); B 171.0 (1), 53.2 (2), 35.0 (3), 130.4 (4), 129.1 (5/9), 121.0 (6/8), 146.7 (7); C 175.2 (1), 38.5 (2), 13.9 (2-Me), 41.6 (3), D 170.7 (1), 71.5 (2), 39.5 (3), 24.6 (4), 22.7 (4-Me), 21.2 (5).