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- W2045173752 endingPage "9033" @default.
- W2045173752 startingPage "9033" @default.
- W2045173752 abstract "Hydroalumination of aryldialkynylphosphines RP(C≡C-(t)Bu)(2) (R = Ph, Mes) with equimolar quantities of diethylaluminum hydride afforded mixed alkenyl-alkynyl cyclic dimers in which the dative aluminum-phosphorus bonds are geminal to the exocyclic alkenyl groups. Addition of triethylaluminum to isolated 1 (R = Ph) or to the in situ generated species (R = Mes) caused diethylaluminum ethynide elimination to yield the arylethylphosphorus dimers 2 and 3. These possess a chair-like Al(2)C(2)P(2) heterocycle with intermolecular Al-P interactions. The boat conformation (4) was obtained by the reaction of (t)Bu-P(C≡C-(t)Bu)(2) with di(tert-butyl)aluminum hydride. Despite being dimeric, 2 behaves as a frustrated Lewis pair and activates small molecules. The reaction with carbon dioxide gave cis/trans isomeric AlPC(2)O heterocycles that differ only by the configuration of the exocyclic alkenyl unit. Four isomers resulted from the reaction with phenyl isocyanate. This is caused by cis/trans isomerization of the initial C=O adduct and subsequent rearrangement to the AlPC(2)N heterocycle, being the C=N adduct." @default.
- W2045173752 created "2016-06-24" @default.
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- W2045173752 creator A5088823361 @default.
- W2045173752 date "2012-01-01" @default.
- W2045173752 modified "2023-10-09" @default.
- W2045173752 title "Dimeric aluminum–phosphorus compounds as masked frustrated Lewis pairs for small molecule activation" @default.
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- W2045173752 doi "https://doi.org/10.1039/c2dt30080j" @default.
- W2045173752 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22411491" @default.
- W2045173752 hasPublicationYear "2012" @default.
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