Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 780, Issue -, Pages 1-5Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2014.12.025
Keywords
Catalysis; Ethynylation; Gallium; Gallium-gallium bond; Pyrazolato ligand
Categories
Funding
- Program for the Top Young and Middle-aged Innovative Talents of Higher Learning Institutions of Shanxi [TYMIT 2011]
- Doctoral Foundation of Chinese Education Ministry [20111404110001]
- National Natural Science Foundation of China (NSFC) [21272143, 21271057]
- Program for Changjiang Scholar and Innovative Research Team in University [IRT1156]
- Research Fund for Teachers of Central South University [2013JSJJ007]
- Science and Technology Planning Project of Hunan Province of China [2013FJ2003]
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Several monomeric alkenyl-substituted pyrazolato gallium dichloride [(3,5-tBu(2)-NeCH=C(SiR1R2R3)pz) GaCl2]2(a-d) (R-1 = R-2 = R-3 = Me (2a); R-1 = R-2 = R-3 = Et (2b); R-1 = R-2 = Me, R-3 = tBu (2c); R-1 = R-2 = Me, R-3 = Ph (2d); 3,5-tBu(2)pz = 3,5-di-tert-butylpyrazolato) were synthesized in good yields by the reaction of dinuclear gallium compound [(eta(1), eta(1)-3,5-tBu(2)pz)GaCl2](2) (1) and two equivalents of substituted ethynes. Compound 2a was further reduced with potassiumesodium alloy to afford a gallium(II) complex [(eta(1)-tBu(2)pz-Ne-CH=C(SiMe3))ClGa](2) with GaeGa single bond (3a). (C) 2014 Elsevier B. V. All rights reserved.
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