Issue 17, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

Synthesis and crystallographic characterization of thiazole-2-dithiocarboxylate methyl ester complexes of chromium, tungsten and iron carbonyls†

Helgard G. Raubenheimer,*a   Eugene K. Marais,b   Stephanie Cronje,a   Catharine Esterhuysen (neé Thompson)a  and  Gert J. Krugerb  

* Corresponding authors

a Department of Chemistry, University of Stellenbosch, Private Bag X1, Matieland, Stellenbosch, South Africa
E-mail: hgr@maties.sun.ac.za

b Department of Chemistry, Rand Afrikaans University, P.O. Box 524, Auckland Park, Johannesburg, South Africa

Abstract

Co-ordination of 4-methylthiazole-2-dithiocarboxylate methyl ester, I, or benzothiazole-2-dithiocarboxylate methyl ester, II, to [Cr(CO)5(THF)], [W(CO)5(THF)] or [Fe(CO)4(THF)] afforded the new complexes [[lower bond 1 start]M(CO)4{S[double bond, length half m-dash]C(SCH3)[upper bond 1 start]C[double bond, length half m-dash]N[lower bond 1 end]C(CH3)[double bond, length half m-dash]CHS[upper bond 1 end]}] (M = Cr 1 or W 2), [[lower bond 1 start]Cr(CO)4{S[double bond, length half m-dash]C(SCH3)[upper bond 1 start]C[double bond, length half m-dash]N[lower bond 1 end]C6H4S[upper bond 1 end]-o}] 3, [[lower bond 1 start]Fe(CO)3{S[double bond, length half m-dash]C(SCH3)[upper bond 1 start]C[double bond, length half m-dash]N[lower bond 1 end]C(CH3)[double bond, length half m-dash]CHS[upper bond 1 end]}] 4 and [[lower bond 1 start]Fe(CO)3{S[double bond, length half m-dash]C(SCH3)[upper bond 1 start]C[double bond, length half m-dash]N[lower bond 1 end]C6H4S[upper bond 1 end]-o}] 5. Single crystal X-ray structure determinations of 1 and 5 revealed co-ordination of the bidentate ligands through the exocyclic thione sulfur and endocyclic imine nitrogen atoms by five-membered chelate ring formation. Compound 5 has a unique trigonal bipyramidal configuration.

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Article information

DOI
https://doi.org/10.1039/B004251J
Article type
Paper
Submitted
30 May 2000
Accepted
19 Jul 2000
First published
14 Aug 2000

J. Chem. Soc., Dalton Trans., 2000, 3016-3021

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Synthesis and crystallographic characterization of thiazole-2-dithiocarboxylate methyl ester complexes of chromium, tungsten and iron carbonyls

H. G. Raubenheimer, E. K. Marais, S. Cronje, C. Esterhuysen (neé Thompson) and G. J. Kruger, J. Chem. Soc., Dalton Trans., 2000, 3016 DOI: 10.1039/B004251J

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