Structure and reactivity of phosphorus-selenium heterocycles with peri-substituted naphthalene backbones.
Reaction of naphthalene-1.8-bis(dichlorophosphine) with sodium selenide and selenium gives naphthalene-1,8-diyl)-1,3,2,4-diselenoxodiphosphetane 2,4-diselenide (27), a molecule with its four-membered PSePSe ring spanned by a naphthalene-1,8-diyl backbone. 27 was fully characterised, including by X-ray diffraction. Unusually, the reaction yielded not only 27, but also a polymeric or oligomeric material that was selenium deficient, containing significant amount of species with phosphorus atoms not fully oxidised to P(V). Reactions of the selenium deficient material with simple alcohols afforded two 1,2-diphosphaacenaphthenes, which were structurally characterised.
Kilian
Petr
P
School of Chemistry, EastCHEM, University of St Andrews, St Andrews, Fife, UKKY16 9ST.
Parveen
Sahrah
S
Fuller
Amy L
AL
Slawin
Alexandra M Z
AM
Derek Woollins
J
J
D018360:Crystallography, X-Ray; D006571:Heterocyclic Compounds / Q000737:chemistry*; D008958:Models, Molecular; D015394:Molecular Structure; D009281:Naphthalenes / Q000737:chemistry*; D009943:Organophosphorus Compounds / Q000737:chemistry*; D016566:Organoselenium Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D012643:Selenium / Q000737:chemistry*
D006571:Heterocyclic Compounds; D009281:Naphthalenes; D009943:Organophosphorus Compounds; D016566:Organoselenium Compounds; C031721:naphthalene; D012643:Selenium