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[1+4]-Cycloadditions of silylenes to 2,4,6-tri-tert-butyl-1,3,5-triphosphabenzene
journal contribution
posted on 2023-06-08, 08:10 authored by Scott B Clendenning, Barbara Gehrhus, Peter B Hitchcock, Daniel F Moser, John F Nixon, Robert West2,4,6-Tri-tert-butyl-1,3,5-triphosphabenzene 1 undergoes [1 + 4]-cycloaddition with the stable bis(amino)silylenes Si[(NCH2But)2C6H4-1,2] 3, Si[(NBut)2C2H2] 4 and Si[(NBut)2C2H4] 7 to afford the structurally characterised 5, 6 and 11. The intermediate aminosilylsilylene resulting from the dissociation of the disilene [Si{(NBut)2C2H4}]49 was trapped as its [1 + 4]-cycloadduct with 1, which was also structurally characterised. The reversibility of the cycloaddition was demonstrated for 5 through reaction with [Mo(CO)4(nbd)] to afford [Mo(CO)3(?6-P3C3But3)] (13) and a mixture of cis- (14a) and trans-[Mo(CO)4(3)2] (14b) of which 14b has been structurally characterised by a single crystal X-ray diffraction study.
History
Publication status
- Published
Journal
Journal of the Chemical Society, Dalton TransactionsISSN
1472-7773Publisher
RSC PublishingExternal DOI
Issue
4Volume
4Page range
484-490Pages
7.0Department affiliated with
- Chemistry Publications
Notes
JFN directed the synthetic work at Sussex in collaboration with BG and co authored the publicaton, novel cyloaddition reactions were characterisedFull text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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