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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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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).