Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 19, Pages 3312-3315Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201300520
Keywords
Borata-alkenes; Lewis acids; Lewis bases; Boron; Phosphorus
Categories
Funding
- European Research Council
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The hydroboration of a conjugated diphenylphosphanylenyne with Piers' borane [HB(C6F5)2] gives three products. The major product is probably formed by generation of a geminal P/B frustrated Lewis pair that undergoes rapid and subsequent intramolecular conjugate addition of the phosphane to the dienyl borane unit to yield a unique phosphonium borata-diene. The minor products originate from alternative regioisomeric hydroboration reactions. Two examples of the new phosphonium borata-olefin products were characterized by X-ray diffraction.
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