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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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Structural consequences of the use of hard and soft tripodal ligands during metathesis reactions: Synthesis of the [bis(hydrotris(methimazolyl)borato]bismuth(III) [bis(hydrotris(pyrazolyl)borato]sodiate

Reglinski, J. and Spicer, M.D. and Garner, M. and Kennedy, A.R. (1999) Structural consequences of the use of hard and soft tripodal ligands during metathesis reactions: Synthesis of the [bis(hydrotris(methimazolyl)borato]bismuth(III) [bis(hydrotris(pyrazolyl)borato]sodiate. Journal of the American Chemical Society, 121 (10). pp. 2317-2318. ISSN 0002-7863

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Abstract

Tripodal ligands such as the hydrotris(pyrazolyl)borate anion (Tp) have found great favor in studies of structure and reactivity1 relevant to catalysis2 and inorganic biochemistry.3 Considering the accepted synthetic utility of Tp-based ligand systems, it is surprising that the range of analogous soft tripodal ligands is so limited.4 By replacing pyrazole with methimazole (2-mercapto-1-methylimidazole) in the synthetic method of Trofimenko5 (Scheme 1) we were recently successful6 in the direct synthesis of the simple tridentate, sulfur-based ligand, hydrotris(methimazolyl)borate (Tm).