THE PREPARATION AND CHARACTERIZATION OF SOME AMINESULFOXIDEDICHLOROPLATINUM(II) COMPLEXES

被引:25
作者
LING, ECH [1 ]
ALLEN, GW [1 ]
HAMBLEY, TW [1 ]
机构
[1] UNIV SYDNEY,DEPT INORGAN CHEM,SYDNEY,NSW 2006,AUSTRALIA
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1993年 / 24期
关键词
D O I
10.1039/dt9930003705
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A series of compounds designed to bind to GpA sequences of DNA has been prepared and characterised. Procedures have been developed for the syntheses of [Pt{MeS(O)CH2CH2NH2}Cl2] 1 and (2S,SR)- and (2S,SS)-[Pt{MeS(O)CH2CH2CH(CO2Me)NH2}Cl2] 2a, 2b. The crystal structures of 1 and of the two diastereomers, 2a and 2b, have been determined. Crystals of 1 are orthorhombic, space group Pcab, a = 9.405(l), b = 10.847(l), c = 16.170(l) angstrom, Z = 8, R 0.30 for 1410 reflections. Crystals of 2a are orthorhombic, space group P2(1)2(1)2(1), a = 9.738(l), b 10.588(l), c = 11.090(1) angstrom, Z = 4, R = 0.021 for 1382 reflections. Crystals of 2b are orthorhombic, space group P2(1)2(1)2(1), a = 10.977(3), b = 13.738(9), c = 25.24(1) angstrom, Z = 12, R = 0.078 for 1482 reflections. Energy minimisation calculations have been used to develop a force field for a series of dichloroplatinum(ii) sulfoxide complexes.
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页码:3705 / 3710
页数:6
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