About: Structure and spectroscopy of diorganotin(IV) complexes derived from N''-(2-hydroxy-3-methoxybenzylidene)benzohydrazide     Goto   Sponge   NotDistinct   Permalink

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  • Three new diorganotin(IV) complexes of the general formula R2Sn[3-(OMe)-2-OC6H3CH=N–N=C(O)Ph] (R = Ph, Ia; R = Me, Ib; R = n-Bu, Ic) have been synthesised from the corresponding diorganotin(IV) dichlorides and the ligand, N0-(2-hydroxy-3-methoxybenzylidene)benzohydrazide in methanol at room temperature in the presence of trimethylamine. All the complexes have been characterized by elemental analysis, IR and 1H, 13C, 15N, 119Sn NMR spectra, and their structures have been confirmed by single crystal X-ray diffraction analysis of one representative compound Ia. Complex Ia crystallises in the orthorhombic system, space group Pna21 with a = 12.424(5), b = 9.911(5), c = 18.872(5) A; Z = 4. The ligand N0-(2-hydroxy-3-methoxybenzylidene)benzohydrazide (H2L) coordinates to the metal centre in the enolate form via the phenolic O, imino N and enolic O atoms. In Ia, the central tin atom adopts a distorted trigonal bipyramidal coordination geometry with the oxygen atoms in axial positions, while the imino nitrogen atom of the Schiff base and the two phenyl groups occupy the equatorial sites. The (119Sn) values for the complexes Ia, Ib and Ic are -327.3, -151.7 and -187.2 ppm, respectively, thus indicating penta-coordinated Sn centres in solution.
  • Three new diorganotin(IV) complexes of the general formula R2Sn[3-(OMe)-2-OC6H3CH=N–N=C(O)Ph] (R = Ph, Ia; R = Me, Ib; R = n-Bu, Ic) have been synthesised from the corresponding diorganotin(IV) dichlorides and the ligand, N0-(2-hydroxy-3-methoxybenzylidene)benzohydrazide in methanol at room temperature in the presence of trimethylamine. All the complexes have been characterized by elemental analysis, IR and 1H, 13C, 15N, 119Sn NMR spectra, and their structures have been confirmed by single crystal X-ray diffraction analysis of one representative compound Ia. Complex Ia crystallises in the orthorhombic system, space group Pna21 with a = 12.424(5), b = 9.911(5), c = 18.872(5) A; Z = 4. The ligand N0-(2-hydroxy-3-methoxybenzylidene)benzohydrazide (H2L) coordinates to the metal centre in the enolate form via the phenolic O, imino N and enolic O atoms. In Ia, the central tin atom adopts a distorted trigonal bipyramidal coordination geometry with the oxygen atoms in axial positions, while the imino nitrogen atom of the Schiff base and the two phenyl groups occupy the equatorial sites. The (119Sn) values for the complexes Ia, Ib and Ic are -327.3, -151.7 and -187.2 ppm, respectively, thus indicating penta-coordinated Sn centres in solution. (en)
Title
  • Structure and spectroscopy of diorganotin(IV) complexes derived from N''-(2-hydroxy-3-methoxybenzylidene)benzohydrazide
  • Structure and spectroscopy of diorganotin(IV) complexes derived from N''-(2-hydroxy-3-methoxybenzylidene)benzohydrazide (en)
skos:prefLabel
  • Structure and spectroscopy of diorganotin(IV) complexes derived from N''-(2-hydroxy-3-methoxybenzylidene)benzohydrazide
  • Structure and spectroscopy of diorganotin(IV) complexes derived from N''-(2-hydroxy-3-methoxybenzylidene)benzohydrazide (en)
skos:notation
  • RIV/62690094:18470/11:43866562!RIV12-MSM-18470___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V
http://linked.open...iv/cisloPeriodika
  • 15
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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  • 232793
http://linked.open...ai/riv/idVysledku
  • RIV/62690094:18470/11:43866562
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • gs-HMBC; gs-HMQC; H,H-COSY; 13C/119Sn NMR; Crystal structures of diorganotin(IV) complexes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [2BED89A28A75]
http://linked.open...i/riv/nazevZdroje
  • Polyhedron
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 30
http://linked.open...iv/tvurceVysledku
  • Lyčka, Antonín
http://linked.open...ain/vavai/riv/wos
  • 000295435000017
issn
  • 0277-5387
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.poly.2011.06.036
http://localhost/t...ganizacniJednotka
  • 18470
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