Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 26, Pages 10026-10029Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja203214f
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Funding
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- NSERC
- Alberta Innovates Studentship
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A chemically competent indirect pathway for the activation of dihydrogen by the nonmetal Lewis acid/Lewis base pair (Bu3P)-Bu-t/B(C6F5)(3) is described. The reaction between (Bu3P)-Bu-t and B(C6F5)(3) produces [(Bu3PH)-Bu-t](+)[FB(C6F5)(3)](-) and the known phosphinoborane p-(Bu2P)-Bu-t-C6F4-B(C6F5)(2) (1-Bu-t) with elimination of isobutylene. At 1:1 stoichiometry, 1-Bu-t is produced rapidly in detectable quantities and can act as a catalyst for the formation of [(Bu3PH)-Bu-t](+)[HB(C6F5)(3)](-) from (Bu3P)-Bu-t and B(C6F5)(3) in the presence of H-2. The extent to which this indirect path competes with the direct path is explored.
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