A di-μ-oxomolybdenum(V) complex of 6-acetonylisoxanthopterin, undergoing oxygen atom transfer with dimethyl sulphoxide

被引：3

作者：

Ali, MA ^{[1
]}

Roy, PS ^{[1
]}

机构：

[1] Univ N Bengal, Dept Chem, Darjeeling 734430, India

来源：

TRANSITION METAL CHEMISTRY | 2002年 / 27卷 / 04期

关键词：

D O I：

10.1023/A:1015078110841

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new compound, Na[((Mo2O4)-O-V)(pte)(OMe)(MeOH)(2)] (pte = anion of 6-acetonylisoxanthopterin), has been prepared using the redox 'non-innocent' title ligand in MeOH-H2O, and characterized by elemental analysis and physico-chemical methods including e.s.m.s., i.r., u.v.-vis. and H-1-n.m.r. spectra. Rate constants data (1.4 x 10(-3) s(-1) at 300 K) for its oxygen atom transfer with dimethyl sulphoxide tally with those of synthetic analogue systems reported earlier by different authors. The negative activation entropy (-206.3 J mol(-1) deg(-1)) is consistent with an associative mechanism for this reaction.

引用

页码：366 / 371

页数：6

共 31 条

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