Journal
INORGANICA CHIMICA ACTA
Volume 422, Issue -, Pages 141-145Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2014.07.002
Keywords
Tin(IV) catalysis; Phosphine dehydrocoupling; Hydrophosphination; Main group catalysts
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Funding
- U. S. National Science Foundation (NSF) [CHE-0747612, CHE-1265608]
- E. U.
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1265608] Funding Source: National Science Foundation
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The phosphine substrate scope in dehydrocoupling reactions catalyzed by Cp-2*SnCl2 (Cp* = pentamethylcyclopentadienyl, 1) have been explored. Catalyst variants R2SnX2 (R = Cp*, Ph; X = Cl, Me, Ph) were also tested, which revealed that activity is dependent on the Cp* ligands as well as more electron withdrawing X ligands. Steric factors at the phosphine substrate are also important. Compound 1 was found to be a catalyst for hydrophosphination of styrene, 2,3-dimethylbutadiene, and diphenylacetylene with phenylphosphine, which is the first example of a p-block catalyst for hydrophosphination. (C) 2014 Elsevier B. V. All rights reserved.
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