Zobrazeno 1 - 10 of 38 pro vyhledávání: '"T. P. Lequeux"'
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A reproducible and high-yielding cerium-mediated route to α,α-difluoro-β-ketophosphonates
Autor: T. P. Lequeux, Jonathan M. Percy, Kevin Blades
Publikováno v: Tetrahedron. 53:10623-10632
The addition of diethyldifluoromethylphosphonate to LDA containing cerium(III) chloride in THF generates an organometallic nucleophile that reacts efficiently with esters and DMF (1,2-addition) affording moderate to good yields of adducts, and extend
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4dc210dbbf56e250d9b6161d2394760
https://doi.org/10.1016/s0040-4020(97)00673-x
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4
ChemInform Abstract: Facile Syntheses of α,α-Difluoro-β-ketophosphonates
Autor: T. P. Lequeux, Jonathan M. Percy
Publikováno v: ChemInform. 27
The cerium-mediated reaction between lithio (diethyldifluoromethyl)-phosphonate 2 proceeds smoothly to afford good yields of ketophosphonates; the reaction with DMF led to the formation of the corresponding aldehyde which was isolated as a hydrate wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a55016ca38f3148bce2dc1afcb15ab4
https://doi.org/10.1002/chin.199609179
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5
ChemInform Abstract: Reactive Dienophiles Containing a Difluoromethylenephosphonato Group
Autor: T. P. Lequeux, Kevin Blades, Jonathan M. Percy
Publikováno v: ChemInform. 27
New dienophiles containing the difluoromethylenephosphonato group are synthesised from readily-available starting materials and cycloadditions with reactive dienes are executed successfully.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0e4d179d87b9a1cfbb0a1a29033ce5f
https://doi.org/10.1002/chin.199645202
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6
ChemInform Abstract: A DAST-Free Route to Aryl(difluoromethyl)phosphonic Esters
Autor: Howard J. Easterfield, G. S. Cockerill, Jonathan M. Percy, T. P. Lequeux, Kevin Blades
Publikováno v: ChemInform. 27
The cerium(III)-mediated addition of diethyl (lithiodifluoromethyl)phosphonate to a benzoquinone monoketal allows the synthesis of phenol bearing the (diethoxyphosphonyl)difluoromethyl group via short, scaleable reaction sequences which avoid the use
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::713c0a7133895975f1ebfb3bbc18b40e
https://doi.org/10.1002/chin.199645199
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