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Crystal and molecular structures of some six‐coordinate tin(IV) halogeno complexes with phosphorus‐containing ligands

Crystal and molecular structures of some six‐coordinate tin(IV) halogeno complexes with... Six new complexes of tin(IV) halides with phosphorus‐containing ligands have been fully characterized by single‐crystal X‐ray diffraction at low temperature. Three of the compounds, derived from the diphosphanes bis‐(diphenylphosphino)methane or bis‐(dicyclohexylphosphino)methane, have a novel zwitterionic structure, with five Cl ligands and one unidentate phosphorus‐containing ligand on tin, together with a proton on the second phosphorus atom of the potentially bidentate ligand; these are Cl5Sn−P(Ph2)CH2PPh2H+ (1), Cl5Sn−OP(Ph2)CH2‐PPh2H+ (2), and Cl5Sn−OP(cy2)CH2Pcy2H+ (3). The other three complexes have a bidentate donor attached to the SnX4 moiety; they comprise Cl4SnOP(Ph2)‐(CH2)2PPh2O (4), a derivative of bis‐(diphenylphosphino)ethane dioxide, I4SnOP(Ph2)CH2PPh2O (5), a similar derivative of bis‐(diphenylphosphino)‐methane dioxide, and the very unusual Br4SnAs‐(Ph2)(CH2)2PPh2O (6), with coordination to tin by As and O. Since the starting material for the last compound was Ph2As(CH2)2PPh2, this result illustrates well the more facile oxidation of P(III) than As(III). © 2009 Wiley Periodicals, Inc. Heteroatom Chem 20:136–143, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20525 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Heteroatom Chemistry Wiley

Crystal and molecular structures of some six‐coordinate tin(IV) halogeno complexes with phosphorus‐containing ligands

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References (33)

Publisher
Wiley
Copyright
Copyright © 2009 Wiley Subscription Services
ISSN
1042-7163
eISSN
1098-1071
DOI
10.1002/hc.20525
Publisher site
See Article on Publisher Site

Abstract

Six new complexes of tin(IV) halides with phosphorus‐containing ligands have been fully characterized by single‐crystal X‐ray diffraction at low temperature. Three of the compounds, derived from the diphosphanes bis‐(diphenylphosphino)methane or bis‐(dicyclohexylphosphino)methane, have a novel zwitterionic structure, with five Cl ligands and one unidentate phosphorus‐containing ligand on tin, together with a proton on the second phosphorus atom of the potentially bidentate ligand; these are Cl5Sn−P(Ph2)CH2PPh2H+ (1), Cl5Sn−OP(Ph2)CH2‐PPh2H+ (2), and Cl5Sn−OP(cy2)CH2Pcy2H+ (3). The other three complexes have a bidentate donor attached to the SnX4 moiety; they comprise Cl4SnOP(Ph2)‐(CH2)2PPh2O (4), a derivative of bis‐(diphenylphosphino)ethane dioxide, I4SnOP(Ph2)CH2PPh2O (5), a similar derivative of bis‐(diphenylphosphino)‐methane dioxide, and the very unusual Br4SnAs‐(Ph2)(CH2)2PPh2O (6), with coordination to tin by As and O. Since the starting material for the last compound was Ph2As(CH2)2PPh2, this result illustrates well the more facile oxidation of P(III) than As(III). © 2009 Wiley Periodicals, Inc. Heteroatom Chem 20:136–143, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20525

Journal

Heteroatom ChemistryWiley

Published: Jan 1, 2009

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