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Synthesis and characterization of tribenzyltin(IV) and dibenzyltin(IV) complexes of 2-{[(2Z)-3-hydroxy-1-methyl- 2-butenylidene]amino}acetic acid: Crystal structure of tribenzyl{2-{[(2Z)-3-hydroxy-1-methyl-2-butenylidene] amino}acetato}tin(IV)

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Abstract

Reactions of equimolar quantities of potassium 2-{[(2Z)-3-hydroxy-1-methyl-2-butenylidene]amino}acetate, with R n SnX4−n (R: benzyl– and n=2 or 3) in methanol yielded products of compositions LHSn(PhCH2)3 and LSn(PhCH2)2, respectively. The complexes were characterized by microanalysis, IR, NMR (1H, 13C, 119Sn) and 119mSn Mössbauer spectroscopy. A full characterization of the structure of the complex, tribenzyl{2-{[(2Z)-3-hydroxy-1-methyl-2-butenylidene]amino}acetato}tin(IV), was carried out by single crystal X-ray crystallography. The compound exists as centrosymmetric dimers in which two ligand molecules bridge the two tin centres. Each of the tin atoms in the dimeric unit is five coordinate in an approximately trigonal bipyramidal configuration, with carbon atoms in the equatorial positions and oxygen atoms arranged axially.

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Acknowledgement

The financial support of the Department of Science & Technology, New Delhi, India (Grant No. SP/S1/F26/99, TSBB) is gratefully acknowledged. ER is indebted to the Università di Palermo, Italy for the support.

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Authors and Affiliations

  1. Department of Chemistry, North-Eastern Hill University, NEHU Permanent Campus, Umshing, Shillong, 793022, India

    Tushar S. Basu Baul & Cheerfulman Masharing

  2. Dipartimento di Chimica Inorganica e Analitica “Stanislao Cannizzaro,” Università di Palermo, Viale delle Scienze, Parco D’Orleans II, Edificio 17, 90128, Palermo, Italy

    Eleonora Rivarola

  3. Weill Cornell Medical College in Qatar, P.O. Box 24144, Doha, Qatar

    Frank E. Smith

  4. Department of Chemistry, Howard University, Washington, DC, 20059, USA

    Ray Butcher

Authors
  1. Tushar S. Basu Baul
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  2. Cheerfulman Masharing
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  3. Eleonora Rivarola
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  4. Frank E. Smith
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  5. Ray Butcher
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Correspondence to Ray Butcher.

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Baul, T.S.B., Masharing, C., Rivarola, E. et al. Synthesis and characterization of tribenzyltin(IV) and dibenzyltin(IV) complexes of 2-{[(2Z)-3-hydroxy-1-methyl- 2-butenylidene]amino}acetic acid: Crystal structure of tribenzyl{2-{[(2Z)-3-hydroxy-1-methyl-2-butenylidene] amino}acetato}tin(IV). Struct Chem 18, 231–235 (2007). https://doi.org/10.1007/s11224-006-9085-2

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  • DOI: https://doi.org/10.1007/s11224-006-9085-2

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