Matches in SemOpenAlex for { <https://semopenalex.org/work/W1993899282> ?p ?o ?g. }
- W1993899282 endingPage "193" @default.
- W1993899282 startingPage "183" @default.
- W1993899282 abstract "A series of bidentate phosphorus—nitrogen ligands was synthesised for the palladium-catalysed reductive carbonylation of nitrobenzene in order to combine the favourable influence of the phosphorus atom on the stability of the catalyst complex with the stimulating effect of the nitrogen atom on the catalytic activity. The nitrogen atom of the P/N ligand was either incorporated in an imine function, yielding the N-(2′-diphenylphosphinobenzylidene)—R—amine ligands (R = phenyl, 4-chlorophenyl, 2,4-dimethoxyphenyl, 2,4-dimethylphenyl, tert-butyl), or in a heteroaromatic ring system which gave 2-(2′-(diphenylphosphino)ethyl)pyridine and 8-(diphenylphosphino)quinoline. Complexes of the type Pd(ligand)2(BF4)2 were prepared for these ligands. Additionally, a series of bidentate phosphorus ligands was tested: dppm, dppe, dppp, dppb, dppf, 1,2-bis(diphenylphosphino)benzene, 1,8-bis(diphenylphosphino)naphthalene, bis(2-diphenylphosphino-phenyl)ether, and 9,9-dimethyl-4,6-bis(diphenylphosphino)xanthene. The P/N ligands containing the imine function did not yield any conversion of the nitrobenzene in combination with Pd. On the use of the second type of P/N ligand, moderately active palladium catalysts were obtained. This different behaviour is ascribed to the relatively low π*-level of the imine-containing ligands. Oxidation of the phosphorus donor atom by the nitro substrate inactivated the catalysts derived from the P/N ligands as well as from a series of P/P ligands. For the bidentate phosphorus ligands the bite angle and flexibility of the ligand turned out to be of crucial influence due to the different geometries required for the Pd(II) and Pd(O) intermediates of the catalytic cycle." @default.
- W1993899282 created "2016-06-24" @default.
- W1993899282 creator A5005138503 @default.
- W1993899282 creator A5026937133 @default.
- W1993899282 creator A5051751244 @default.
- W1993899282 creator A5070975248 @default.
- W1993899282 creator A5091627062 @default.
- W1993899282 date "1997-05-01" @default.
- W1993899282 modified "2023-10-08" @default.
- W1993899282 title "Influence of various P/N and P/P ligands on the palladium-catalysed reductive carbonylation of nitrobenzene" @default.
- W1993899282 cites W1537072458 @default.
- W1993899282 cites W1889685237 @default.
- W1993899282 cites W1967815169 @default.
- W1993899282 cites W1972989105 @default.
- W1993899282 cites W1973666472 @default.
- W1993899282 cites W1975633859 @default.
- W1993899282 cites W1979055964 @default.
- W1993899282 cites W1981164579 @default.
- W1993899282 cites W1989557333 @default.
- W1993899282 cites W1995216587 @default.
- W1993899282 cites W2001266346 @default.
- W1993899282 cites W2007681604 @default.
- W1993899282 cites W2007738882 @default.
- W1993899282 cites W2010332779 @default.
- W1993899282 cites W2010676355 @default.
- W1993899282 cites W2011166181 @default.
- W1993899282 cites W2015701045 @default.
- W1993899282 cites W2017006292 @default.
- W1993899282 cites W2019407049 @default.
- W1993899282 cites W2026788672 @default.
- W1993899282 cites W2033900347 @default.
- W1993899282 cites W2036273549 @default.
- W1993899282 cites W2040532218 @default.
- W1993899282 cites W2044177486 @default.
- W1993899282 cites W2045281026 @default.
- W1993899282 cites W2046085941 @default.
- W1993899282 cites W2061610215 @default.
- W1993899282 cites W2065837387 @default.
- W1993899282 cites W2065982719 @default.
- W1993899282 cites W2067648673 @default.
- W1993899282 cites W2071235397 @default.
- W1993899282 cites W2083539605 @default.
- W1993899282 cites W2085914117 @default.
- W1993899282 cites W2093761506 @default.
- W1993899282 cites W2098007662 @default.
- W1993899282 cites W2129534167 @default.
- W1993899282 cites W2141168276 @default.
- W1993899282 cites W2142896275 @default.
- W1993899282 cites W2165219752 @default.
- W1993899282 cites W2169174766 @default.
- W1993899282 cites W2318364212 @default.
- W1993899282 cites W2515060766 @default.
- W1993899282 cites W2921090447 @default.
- W1993899282 cites W3021515054 @default.
- W1993899282 doi "https://doi.org/10.1016/s0022-328x(97)00029-6" @default.
- W1993899282 hasPublicationYear "1997" @default.
- W1993899282 type Work @default.
- W1993899282 sameAs 1993899282 @default.
- W1993899282 citedByCount "88" @default.
- W1993899282 countsByYear W19938992822012 @default.
- W1993899282 countsByYear W19938992822013 @default.
- W1993899282 countsByYear W19938992822014 @default.
- W1993899282 countsByYear W19938992822015 @default.
- W1993899282 countsByYear W19938992822016 @default.
- W1993899282 countsByYear W19938992822017 @default.
- W1993899282 countsByYear W19938992822018 @default.
- W1993899282 countsByYear W19938992822019 @default.
- W1993899282 countsByYear W19938992822020 @default.
- W1993899282 countsByYear W19938992822021 @default.
- W1993899282 countsByYear W19938992822022 @default.
- W1993899282 countsByYear W19938992822023 @default.
- W1993899282 crossrefType "journal-article" @default.
- W1993899282 hasAuthorship W1993899282A5005138503 @default.
- W1993899282 hasAuthorship W1993899282A5026937133 @default.
- W1993899282 hasAuthorship W1993899282A5051751244 @default.
- W1993899282 hasAuthorship W1993899282A5070975248 @default.
- W1993899282 hasAuthorship W1993899282A5091627062 @default.
- W1993899282 hasConcept C116569031 @default.
- W1993899282 hasConcept C155647269 @default.
- W1993899282 hasConcept C161790260 @default.
- W1993899282 hasConcept C168382676 @default.
- W1993899282 hasConcept C170493617 @default.
- W1993899282 hasConcept C178516000 @default.
- W1993899282 hasConcept C178790620 @default.
- W1993899282 hasConcept C185592680 @default.
- W1993899282 hasConcept C2776573223 @default.
- W1993899282 hasConcept C2779485729 @default.
- W1993899282 hasConcept C502130503 @default.
- W1993899282 hasConcept C512735826 @default.
- W1993899282 hasConcept C544153396 @default.
- W1993899282 hasConcept C55493867 @default.
- W1993899282 hasConcept C71240020 @default.
- W1993899282 hasConceptScore W1993899282C116569031 @default.
- W1993899282 hasConceptScore W1993899282C155647269 @default.
- W1993899282 hasConceptScore W1993899282C161790260 @default.
- W1993899282 hasConceptScore W1993899282C168382676 @default.
- W1993899282 hasConceptScore W1993899282C170493617 @default.
- W1993899282 hasConceptScore W1993899282C178516000 @default.