Oxidative-addition to a four-coordinate tin(II) complex supported by octamethyldibenzotetraaza[14]annulene dianion ligation, [η-Me8taa]Sn: The syntheses and structures of [η-Me8taa]SnI2 and *[η-Me8taa]SnI(THF)**I3* |
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Authors: | Matthew C Kuchta Gerard Parkin |
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Institution: | Department of Chemistry, Columbia University, New York, NY 10027, U.S.A. |
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Abstract: | The four-coordinate tin(II) complex η4-Me8taa]Sn undergoes oxidative addition of I2 to give six-coordinate η4-Me8taa]SnI2, in which the iodide ligands exhibit a trans arrangment. Abstraction of I? from η4-Me8taa]SnI2 is facile, as indicated by the rapid formation of the triiodide derivative *η4-Me8taa]SnI(THF)**I3* upon treatment with I2 in the presence of THF. The molecular structures of η4-Me8taa]SnI2 and *η4-Me8taa]SnI(THF)**I3* have been determined by X-ray diffraction. |
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Keywords: | tin tetraaza[14]annulene oxidative-addition iodine macrocycle X-ray structure |
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