Carbohydrate derivative, platinum complex with antitumour activity and its preparation method
A technology of carbohydrates and platinum complexes, applied in the direction of sugar derivatives, sugar derivatives, chemical instruments and methods, etc., can solve the problem of reducing drug activity and so on
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Embodiment 1
[0034] Ethylenediamine (0.40g, 6.7mmol), methyl 2,3-anhydride-4,6-O-benylidene-α-D-mannopyranoside (4.09g, 15.5mmol) and K 2 CO 3 (0.2g) was reacted in 50mL of DMSO at 105-135°C for 10 hours, the solvent was removed under reduced pressure, and the residue was purified by column chromatography to obtain N,N-bis(methyl 3-deoxy-4,6-O- Benylidene-[alpha]-D-altropyranoside-3-yl)ethylenediamine 3.39 g (86%). m.p.91-3°C; [a] 21 D =+112.2(c1.0, ethanol). 1 H NMR (400MHz, CDCl 3 ): δ7.50-7.30(m, 10H), 5.47(s, 2H), 4.52(s, 2H), 4.30-4.25(m, 2H), 4.10-4.00(m, 2H), 3.95-3.90(m , 2H), 3.91(br, 2H), 3.80-3.70(m, 2H), 3.34(s, 6H), 3.22(br, 2H), 3.10-3.05(m, 2H), 2.90-2.85(m, 2H ), 2.65-2.55 (m, 2H); 13 CNMR (100MHz, CDCl 3 ): δ137.64 129.06 128.38(2C), 126.21(2C), 102.05(2C), 77.86, 70.80, 69.50, 58.69, 57.10, 55.47, 47.08, 46.11. IR(KBr): 3440, 2907, 1637, 1457, 1380, 1105, 1067, 1044, 974, 755, 670. MS (ESI) m / z (%): 589 [M + +1] (100).
Embodiment 2
[0036] Butanediamine (0.79g, 9.0mmol), methyl 2,3-anhydride-4,6-O-benylidene-α-D-mannopyranoside (5.28g, 20.0mmol) and K 2 CO 3 (0.2g) was reacted in 50mL of DMSO at 120°C for 10 hours, the solvent was removed under reduced pressure, and the residue was purified by column chromatography to obtain N,N-bis(methyl 3-deoxy-4,6-O-Bian Alkyne-[alpha]-D-altropyranoside-3-yl)butanediamine 5.10 g (92%). m.p.124-6°C; [a] 21 D =+131.6(c1.0, ethanol). 1 H NMR (400MHz, CDCl 3 ): δ7.55-7.30(m, 10H), 5.44(s, 2H), 4.56(s, 2H), 4.30-4.25(m, 2H), 4.15-4.00(m, 2H), 3.95-3.85(m , 4H), 3.85-3.70(m, 2H), 3.35(s, 6H), 3.33(br, 2H), 3.15-3.05(m, 2H), 2.90-2.85(m, 2H), 2.65-2.55(m , 6H).IR (KBr): 3442, 2911, 1635, 1457, 1376, 1101, 1063, 1045, 976, 753, 674. MS (ESI) m / z (%): 617 [M + +1] (100).
Embodiment 3
[0038] Hexamethylenediamine (0.71g, 6.1mmol), methyl 2,3-anhydride-4,6-O-benylidene-α-D-mannopyranoside (3.96 g, 15.0mmol) and K 2 CO 3 (0.3g) was reacted in 50mL of DMSO at 120°C for 10 hours, the solvent was removed under reduced pressure, and the residue was purified by column chromatography to obtain N,N-bis(methyl 3-deoxy-4,6-O-Bian Alkyne-[alpha]-D-altropyranoside-3-yl)hexamethylenediamine 3.34 g (85%). m.p.161-4°C; [a] 21 D =+127.6(c1.0, ethanol). 1 H NMR (400MHz, CDCl 3): δ7.55-7.30(m, 10H), 5.43(s, 2H), 4.52(s, 2H), 4.30-4.25(m, 2H), 4.10-4.00(m, 2H), 3.95(br, 2H ), 3.85-3.70(m, 2H), 3.33(br, 2H), 3.15-2.55(m, 14H).IR(KBr): 3440, 2908, 1633, 1458, 1375, 1106, 1063, 1044, 977, 753, 675. MS (ESI) m / z (%): 645 [M + +1] (100).
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