Synthesis of [(HIPTNCH2CH2)3N]V Compounds (HIPT = 3,5-(2,4,6-i-Pr3C6H2)2C6H3) and an Evaluation of Vanadium for the Reduction of Dinitrogen to Ammonia
- 10 October 2006
- journal article
- research article
- Published by American Chemical Society (ACS) in Inorganic Chemistry
- Vol. 45 (23), 9197-9205
- https://doi.org/10.1021/ic061554r
Abstract
Green [HIPTN3N]V(THF) ([HIPTN3N]3- = [(HIPTNCH2CH2)3N]3-, where HIPT = 3,5-(2,4,6-i-Pr3C6H2)2C6H3) can be prepared in a 70−80% yield via the addition of H3[HIPTN3N] to VCl3(THF)3 in THF, followed by the addition of LiN(SiMe3)2. From [HIPTN3N]V(THF), the following have been prepared: {[HIPTN3N]VN2}K, [HIPTN3N]V(NH3), [HIPTN3N]VNH, [HIPTN3N]VNSiMe3, [HIPTN3N]VO, [HIPTN3N]VS, and [HIPTN3N]V(CO). No ammonia is formed from dinitrogen using {[HIPTN3N]VN2}K, [HIPTN3N]VNH, or [HIPTN3N]V(NH3) as the initial species under conditions that were successful in the analogous [HIPTN3N]Mo system. X-ray structural studies are reported for [HIPTN3N]V(THF) and [HIPTN3N]V(NH3).Keywords
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