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Statements

Subject Item
n2:RIV%2F61388980%3A_____%2F03%3A50033013%21RIV%2F2004%2FMSM%2FA50004%2FN
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Thermal isomerisation of the ferraphosphadicarbaborane [1-Cp-closo-1,2,4,5-FePC2B8H10] (1a; Cp = eta(5)-C5H5-) at elevated temperatures (180-350 degreesC) leads to the formation of three new isomeric complexes. These were characterized by multinuclear (H-1, B-11, P-31, and C-13) NMR spectroscopy and mass spectrometry as [1-Cp-closo-1,2,3,8-FePC2B8H10] (1b), [1-Cp-closo-1,10,2,4-FePC2B8H10] (1c), and closo-[1,2,4,10-FePC2B8H10] (1d). The formation of lb is accompanied by an unusual agglomeration of the P and C heteroatoms. Complexes 1b and 1c have also been isolated as side products from the direct reaction between nido-[7,8,9-PC2B8H11] (2) and [CpFe(CO)(2)](2) in refluxing mesitylene, and 1a and 1b from the pyrolysis of [7-Fp-(eta(1)-nido-7,9,10-PC2B8H10)] [3; Fp = CpFe(CO)(2)] at 350 degreesC. NMR intercomparisons of all five [1-Cp-closo-FePC2B8H10] isomers thus far isolated have been made. Thermal isomerisation of the ferraphosphadicarbaborane [1-Cp-closo-1,2,4,5-FePC2B8H10] (1a; Cp = eta(5)-C5H5-) at elevated temperatures (180-350 degreesC) leads to the formation of three new isomeric complexes. These were characterized by multinuclear (H-1, B-11, P-31, and C-13) NMR spectroscopy and mass spectrometry as [1-Cp-closo-1,2,3,8-FePC2B8H10] (1b), [1-Cp-closo-1,10,2,4-FePC2B8H10] (1c), and closo-[1,2,4,10-FePC2B8H10] (1d). The formation of lb is accompanied by an unusual agglomeration of the P and C heteroatoms. Complexes 1b and 1c have also been isolated as side products from the direct reaction between nido-[7,8,9-PC2B8H11] (2) and [CpFe(CO)(2)](2) in refluxing mesitylene, and 1a and 1b from the pyrolysis of [7-Fp-(eta(1)-nido-7,9,10-PC2B8H10)] [3; Fp = CpFe(CO)(2)] at 350 degreesC. NMR intercomparisons of all five [1-Cp-closo-FePC2B8H10] isomers thus far isolated have been made.
dcterms:title
Phosphadicarbaborane analogues of ferrocene: New isomers of [closo-(eta(5)-C5H5)FePC2B8H10]. Phosphadicarbaborane analogues of ferrocene: New isomers of [closo-(eta(5)-C5H5)FePC2B8H10].
skos:prefLabel
Phosphadicarbaborane analogues of ferrocene: New isomers of [closo-(eta(5)-C5H5)FePC2B8H10]. Phosphadicarbaborane analogues of ferrocene: New isomers of [closo-(eta(5)-C5H5)FePC2B8H10].
skos:notation
RIV/61388980:_____/03:50033013!RIV/2004/MSM/A50004/N
n3:strany
2524;2528
n3:aktivita
n11:P n11:Z
n3:aktivity
P(LN00A028), Z(AV0Z4032918)
n3:cisloPeriodika
13
n3:dodaniDat
n15:2004
n3:domaciTvurceVysledku
n12:2449285 n12:8606862 n12:1509640
n3:druhVysledku
n10:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
620797
n3:idVysledku
RIV/61388980:_____/03:50033013
n3:jazykVysledku
n13:eng
n3:klicovaSlova
sandwich complexes; boranes; isomerisation
n3:klicoveSlovo
n9:boranes n9:sandwich%20complexes n9:isomerisation
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[FE6CE7D672EF]
n3:nazevZdroje
European Journal of Inorganic Chemistry
n3:obor
n5:CA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
6
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n16:LN00A028
n3:rokUplatneniVysledku
n15:2003
n3:svazekPeriodika
N/A
n3:tvurceVysledku
Tok, O. L. Bakardjiev, Mario Holub, Josef Wrackmeyer, B. Štíbr, Bohumil Pavlík, I.
n3:zamer
n14:AV0Z4032918
s:issn
1434-1948
s:numberOfPages
5