About: Base Induced Dismutation of POCl3 and POBr3     Goto   Sponge   NotDistinct   Permalink

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  • Pyridine does not react with POCl3 when it is free of its hydrolysis products, HCl and HPO2Cl2. DMAP, as a stronger Lewis base, however, reacts readily with POCl3 and yields the crystalline [(DMAP)2PO2]Cl. A 31P NMR study revealed that a base-induced dismutation of POCl3 to PO2Cl and PCl5 occurs in this reaction and the strongly unsaturated PO2Cl is then ligand-stabilized by DMAP as a betaine (DMAP)PO2Cl or a salt of donor-stabilized PO2+ ion, [(DMAP)2PO2]Cl. In contrast to phosphoryl chloride, POBr3 reacts readily with booth DMAP and pyridine to give crystalline [(DMAP)2PO2]Br3 and [(py)2PO2]Br3, respectively.
  • Pyridine does not react with POCl3 when it is free of its hydrolysis products, HCl and HPO2Cl2. DMAP, as a stronger Lewis base, however, reacts readily with POCl3 and yields the crystalline [(DMAP)2PO2]Cl. A 31P NMR study revealed that a base-induced dismutation of POCl3 to PO2Cl and PCl5 occurs in this reaction and the strongly unsaturated PO2Cl is then ligand-stabilized by DMAP as a betaine (DMAP)PO2Cl or a salt of donor-stabilized PO2+ ion, [(DMAP)2PO2]Cl. In contrast to phosphoryl chloride, POBr3 reacts readily with booth DMAP and pyridine to give crystalline [(DMAP)2PO2]Br3 and [(py)2PO2]Br3, respectively. (en)
  • Pyridine does not react with POCl3 when it is free of its hydrolysis products, HCl and HPO2Cl2. DMAP, as a stronger Lewis base, however, reacts readily with POCl3 and yields the crystalline [(DMAP)2PO2]Cl. A 31P NMR study revealed that a base-induced dismutation of POCl3 to PO2Cl and PCl5 occurs in this reaction and the strongly unsaturated PO2Cl is then ligand-stabilized by DMAP as a betaine (DMAP)PO2Cl or a salt of donor-stabilized PO2+ ion, [(DMAP)2PO2]Cl. In contrast to phosphoryl chloride, POBr3 reacts readily with booth DMAP and pyridine to give crystalline [(DMAP)2PO2]Br3 and [(py)2PO2]Br3, respectively. (cs)
Title
  • Base Induced Dismutation of POCl3 and POBr3
  • Base Induced Dismutation of POCl3 and POBr3 (en)
  • Base Induced Dismutation of POCl3 and POBr3 (cs)
skos:prefLabel
  • Base Induced Dismutation of POCl3 and POBr3
  • Base Induced Dismutation of POCl3 and POBr3 (en)
  • Base Induced Dismutation of POCl3 and POBr3 (cs)
skos:notation
  • RIV/00216224:14310/03:00009594!RIV08-MSM-14310___
http://linked.open.../vavai/riv/strany
  • 148-148
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 143100011)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 599527
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/03:00009594
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Phosphoryl halides; Lewis bases; Dismutation; Donor-stabilized ion (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [3520D2339410]
http://linked.open...v/mistoKonaniAkce
  • Dresden
http://linked.open...i/riv/mistoVydani
  • Dresden
http://linked.open...i/riv/nazevZdroje
  • Euroregionale 2003. Book of Abstracts.
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Rovnaník, Pavel
  • Černík, Miloš
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • JCF
http://localhost/t...ganizacniJednotka
  • 14310
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