SHORT INTERMOLECULAR S...S CONTACTS IN A REACTION-PRODUCT FROM THE CYCLIC SULFATE ESTER OF DIMETHYL L-TARTRATE AND 2-THIOXO-1,3-DITHIOLE-4,5-DITHIOLATE

被引：16

作者：

OZTURK, T

POVEY, DC

WALLIS, JD

机构：

[1] UNIV KENT,CTR MAT RES,CHEM LAB,CANTERBURY CT2 7NH,KENT,ENGLAND

[2] UNIV SURREY,DEPT CHEM,GUILDFORD GU2 5XH,SURREY,ENGLAND

来源：

TETRAHEDRON | 1994年 / 50卷 / 38期

关键词：

D O I：

10.1016/S0040-4020(01)89422-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Cyclic sulfate ester 6 reacts readily with dithiolate 4 to give meso and dl cyclic products 8 and 9. The crystal structure of 9 shows two short S...S intermolecular interactions (< 3.4 Angstrom) between trithiocarbonate groups, due to cooperative polarisations and the highly asymmetric shape of the bonded S atom. The latter effect is mainly responsible for the 'short' S...S contacts in ET's radical cation salts. In contrast to similar systems, the sp(3) C atoms of the six-membered ring in 9 are displaced to the same side of the dithiole plane.

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页码：11205 / 11212

页数：8

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