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https://hdl.handle.net/2440/66380
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Type: | Journal article |
Title: | Synthesis and characterization of TpiPrMoO(S2PR2) (R = Pri, Ph, OEt, OPri, (-)-mentholate) and {HB(OMe)(Pripz)2}MoO(S2PPri2), including isomers of known 1,2-borotropically-shifted complexes |
Author: | Young, C. Malarek, M. Evans, D. Doonan, C. Ng, V. White, J. |
Citation: | Inorganic Chemistry: including bioinorganic chemistry, 2009; 48(5):1960-1966 |
Publisher: | Amer Chemical Soc |
Issue Date: | 2009 |
ISSN: | 0020-1669 1520-510X |
Statement of Responsibility: | Charles G. Young, Michael S. Malarek, David J. Evans, Christian J. Doonan, Victor Wee Lin Ng, and Jonathan M. White |
Abstract: | Green/blue TpiPrMoO(S2PR2) (TpiPr = hydrotris(3-isopropylpyrazolyl)borate; R = Pri, Ph, OEt, OPri, (-)-mentholate) complexes were synthesized and characterized by elemental analysis, mass spectrometry, IR and NMR spectroscopy, and X-ray crystallography. The diamagnetic, six-coordinate, oxo-Mo(IV) complexes possess distorted octahedral geometries defined by terminal oxo, bidentate dithio acid, and tridentate TpiPr ligands. The R = Pri and Ph derivatives are isomers of previously reported 1,2-borotropically shifted complexes, TpiPr*MoO(S2PR2) (TpiPr* = hydrobis(3-isopropylpyrazolyl)(5-isopropylpyrazolyl)borate; ref: Inorg. Chem. 1996, 35, 5368). Conversion of TpiPrMoO(S2PPh2) into TpiPr*MoO(S2PPh2) at elevated temperatures (>80 degrees C) showed that the borotropically shifted isomer was thermodynamically more stable than the unshifted species. Reaction with methanol converts TpiPrMoO(S2PPri2) into {HB(OMe)(Pripz)2}MoO(S2PPri2) (Pripz = 3-isopropylpyrazolyl), which was characterized by spectroscopic and crystallographic methods. |
Keywords: | Molybdenum Boron Methanol Organometallic Compounds Crystallography, X-Ray Spectrum Analysis Isomerism |
Rights: | Copyright © 2009 American Chemical Society |
DOI: | 10.1021/ic8015518 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1021/ic8015518 |
Appears in Collections: | Aurora harvest Chemistry publications Environment Institute publications |
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