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Clark ER, Anwar MU, Leontowicz BJ, et al. Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines. Dalton Trans. 2014;43(34):12996-3005doi: 10.1039/c4dt01413h.
Clark, E. R., Anwar, M. U., Leontowicz, B. J., Beldjoudi, Y., Hayward, J. J., Chan, W. T., Gavey, E. L., Pilkington, M., Zysman-Colman, E., & Rawson, J. M. (2014). Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines. Dalton transactions (Cambridge, England : 2003), 43(34), 12996-3005. https://doi.org/10.1039/c4dt01413h
Clark, Ewan R, et al. "Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines." Dalton transactions (Cambridge, England : 2003) vol. 43,34 (2014): 12996-3005. doi: https://doi.org/10.1039/c4dt01413h
Clark ER, Anwar MU, Leontowicz BJ, Beldjoudi Y, Hayward JJ, Chan WT, Gavey EL, Pilkington M, Zysman-Colman E, Rawson JM. Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines. Dalton Trans. 2014 Sep 14;43(34):12996-3005. doi: 10.1039/c4dt01413h. PMID: 25030211.
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Dalton Trans. 2014 Sep 14;43(34):12996-3005. doi: 10.1039/c4dt01413h.

Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines.

Dalton transactions (Cambridge, England : 2003)

Ewan R Clark, Muhammad U Anwar, Bryce J Leontowicz, Yassine Beldjoudi, John J Hayward, Wesley T K Chan, Emma L Gavey, Melanie Pilkington, Eli Zysman-Colman, Jeremy M Rawson

Affiliations

  1. Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK. [email protected].

PMID: 25030211 DOI: 10.1039/c4dt01413h

Abstract

Reaction of the novel ligand 3-(2'-pyridyl)-benzo-1,2,4-thiadiazine (L) with the transition metal chloride salts MCl2·xH2O (M(II) = Mn, Fe, Co, Cu and Zn) in a 2 : 1 mole ratio afforded the mononuclear octahedral (high spin) complexes L2MCl2 (1a-1e respectively) in which L binds in a chelate fashion via N(2) and the pyridyl N atoms. In the case of CuCl2 the intermediate 1 : 1 four-coordinate complex LCuCl2 (2) was also isolated which adopts a polymeric structure with pseudo-square planar molecules linked via long Cu···S contacts (d(Cu···S) = 2.938(1) Å) in the apical position. In the presence of non-interacting ions, 3 : 1 complexes are isolated, exemplified by the reaction of L with Fe(CF3SO3)2 in a 3 : 1 ratio which affords the low spin complex [L3Fe][CF3SO3]2 (3). Reaction of L with VCl3 in a 2 : 1 mole ratio under aerobic conditions afforded the vanadyl complex [L2V(=O)Cl][Cl] (4).

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