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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F08%3A00315305%21RIV09-AV0-61388955
rdf:type
skos:Concept n16:Vysledek
dcterms:description
1´-(Difenylfosfino)-1-(N-butylcarbamoyl)ferocen (P1) a analogické vyžší amidy P2–4 odvozené od první generace PAMAM dendrimerů, které nesou až čtyři 1´-(difenylfosfino)ferocen-1-yl skupiny, byly připraveny amidací (poly)aminů pomocí 1´-(difenylfosfino)ferocenekarboxylové kyseliny (Hdpf). Testování amidů P1–4 jako ligandů pro palladiem katalyzované Suzukiho a Heckův coupling-reakce ukázalo, že tyto amidofosfiny si zachovávaní aktivitu jednotlivých fosfinoferocenových jednotek. I pro takto poměrně malé systémy byl pozorován pozitivní dendrimerový efekt, sloučeniny nesoucí větší počet fosfinoferocenových skupin reagovaly rychleji při zachování stejného obsahu palladia v systému a poměru P k Pd. 1´-(Diphenylphosphino)-1-(N-butylcarbamoyl)ferrocene (P1) and the analogous higher amides P2–4 related to the first-generation PAMAM dendrimers bearing up to four 1´-(diphenylphosphino)ferrocen-1-yl terminal groups were synthesized by amidation of the respective (poly)amines with 1´-(diphenylphosphino)ferrocenecarboxylic acid (Hdpf). Testing of amides P1–4 as ligands for palladium-catalyzed Suzuki and Heck coupling reactions has shown that these amidophosphines preserve the activity of the single phosphinoferrocenyl unit, giving rise to active catalysts in both C–C forming reactions. Even for such relatively small systems, a positive influence of the dendritic assembly was notable as the compounds bearing a higher number of the phosphinoferrocenyl termini afforded faster reacting catalytic systems at the same palladium loading and P-to-Pd ratio. 1´-(Diphenylphosphino)-1-(N-butylcarbamoyl)ferrocene (P1) and the analogous higher amides P2–4 related to the first-generation PAMAM dendrimers bearing up to four 1´-(diphenylphosphino)ferrocen-1-yl terminal groups were synthesized by amidation of the respective (poly)amines with 1´-(diphenylphosphino)ferrocenecarboxylic acid (Hdpf). Testing of amides P1–4 as ligands for palladium-catalyzed Suzuki and Heck coupling reactions has shown that these amidophosphines preserve the activity of the single phosphinoferrocenyl unit, giving rise to active catalysts in both C–C forming reactions. Even for such relatively small systems, a positive influence of the dendritic assembly was notable as the compounds bearing a higher number of the phosphinoferrocenyl termini afforded faster reacting catalytic systems at the same palladium loading and P-to-Pd ratio.
dcterms:title
Phosphinoferrocenyl-terminated amidoamines: Synthesis and catalytic utilization in palladium-mediated C–C bond forming reactions Fosfinoferocen-zakončené amidoaminy: Syntéza a použití v palladiem katalyzovaných reakcích se vznikem C–C vazby Phosphinoferrocenyl-terminated amidoamines: Synthesis and catalytic utilization in palladium-mediated C–C bond forming reactions
skos:prefLabel
Phosphinoferrocenyl-terminated amidoamines: Synthesis and catalytic utilization in palladium-mediated C–C bond forming reactions Phosphinoferrocenyl-terminated amidoamines: Synthesis and catalytic utilization in palladium-mediated C–C bond forming reactions Fosfinoferocen-zakončené amidoaminy: Syntéza a použití v palladiem katalyzovaných reakcích se vznikem C–C vazby
skos:notation
RIV/61388955:_____/08:00315305!RIV09-AV0-61388955
n3:aktivita
n10:P n10:Z
n3:aktivity
P(GA104/05/0192), P(LC06070), Z(AV0Z40400503), Z(MSM0021620857)
n3:cisloPeriodika
1-2
n3:dodaniDat
n9:2009
n3:domaciTvurceVysledku
n18:1538349
n3:druhVysledku
n12:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
386507
n3:idVysledku
RIV/61388955:_____/08:00315305
n3:jazykVysledku
n15:eng
n3:klicovaSlova
amides; phosphines; PAMAM
n3:klicoveSlovo
n7:phosphines n7:amides n7:PAMAM
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[F6BE4F9D94A1]
n3:nazevZdroje
Journal of Molecular Catalysis A-Chemical
n3:obor
n13:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n6:GA104%2F05%2F0192 n6:LC06070
n3:rokUplatneniVysledku
n9:2008
n3:svazekPeriodika
285
n3:tvurceVysledku
Demel, Jan Lamač, M. Lang, H. Kühnert, J. Štěpnička, P. Nicolai, A.
n3:wos
000256178900006
n3:zamer
n17:AV0Z40400503 n17:MSM0021620857
s:issn
1381-1169
s:numberOfPages
7