STEREOELECTRONIC PROPERTIES OF 5 ANTI-HSV-1 2'DEOXYNUCLEOSIDES ANALOGS WITH HETEROCYCLIC SUBSTITUENTS IN THE 5-POSITION - A COMPARISON WITH BVDU

被引:11
作者
OLIVIER, A [1 ]
CREUVEN, I [1 ]
EVRARD, C [1 ]
EVRARD, G [1 ]
DORY, M [1 ]
VANAERSCHOT, A [1 ]
WIGERINCK, P [1 ]
HERDEWIJN, P [1 ]
DURANT, F [1 ]
机构
[1] CATHOLIC UNIV LEUVEN,REGA INST MED RES,MED CHEM LAB,B-3000 LOUVAIN,BELGIUM
关键词
ANTIVIRAL ACTIVITY; HERPES SIMPLEX VIRUS TYPE 1; 5-(2-BROMOVINYL)-2'-DEOXYURIDINE ANALOG; SINGLE CRYSTAL X-RAY DIFFRACTION; MO CALCULATION;
D O I
10.1016/0166-3542(94)90076-0
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Structural and electronic characteristics of 5-(5-chlorothien-2-yl)-2'-deoxyuridine (I), 5-(furan-2-yl)-2'-deoxyuridine (II), 5-(5-bromofuran-2-yl)-2'-deoxyuridine (III), 5-(3-bromoisoxazol-5-yl)-2'-deoxyuridine (V) and 5-(isoxazol-5-yl)-2'-deoxyuridine (IV) have been determined and compared to the BVDU (VI) characteristics in order to explain their respective affinity for the herpes simplex virus type 1 thymidine kinase (TK). Molecular structure of 5-(5-chlorothien-2-yl)-2'-deoxyuridine has been obtained using single crystal X-ray crystallography. Electrostatic potential maps, energy and topology of frontier orbitals were computed at the ab initio MO STO-3G and STO-3G level. These studies reveal that the electrostatic potential energy maps are clearly dependent on the affinity of the compound for the enzyme.
引用
收藏
页码:289 / 304
页数:16
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