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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F10%3A39881312%21RIV11-MSM-25310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
The reaction of aldehydes (pentanal, benzaldehyde, 4-methoxybenzaldehyde, 4-nitrobenzaldehyde, salicylaldehyde, pyridin-2-carbaldehyde) with 1-aminocyclopentancarboxamide or (S)-2-amino-2,3-dimethylbutanamide has been used to prepare substituted imidazolidin-4-ones 1a-g in the yields of 53-83%.Subsequent oxidations with various reagents gave the corresponding 4,5-dihydro-1H-imidazol-5-ones 2a-g: Pd/C (72-93%), DDQ (25-80%), and MnO2 (30-77%). Structure of the prepared compounds 1a-g and 2a-g was verified by 1H NMR and 13C NMR spectroscopy, EI-MS and elemental analysis. X-ray diffraction was performed in the case of compounds 1e and 2e. The reaction of aldehydes (pentanal, benzaldehyde, 4-methoxybenzaldehyde, 4-nitrobenzaldehyde, salicylaldehyde, pyridin-2-carbaldehyde) with 1-aminocyclopentancarboxamide or (S)-2-amino-2,3-dimethylbutanamide has been used to prepare substituted imidazolidin-4-ones 1a-g in the yields of 53-83%.Subsequent oxidations with various reagents gave the corresponding 4,5-dihydro-1H-imidazol-5-ones 2a-g: Pd/C (72-93%), DDQ (25-80%), and MnO2 (30-77%). Structure of the prepared compounds 1a-g and 2a-g was verified by 1H NMR and 13C NMR spectroscopy, EI-MS and elemental analysis. X-ray diffraction was performed in the case of compounds 1e and 2e.
dcterms:title
Oxidation of Substituted Imidazolidin-4-ones: New Alternative Method Preparation of 4,5-Dihydro-1H-imidazol-5-ones Oxidation of Substituted Imidazolidin-4-ones: New Alternative Method Preparation of 4,5-Dihydro-1H-imidazol-5-ones
skos:prefLabel
Oxidation of Substituted Imidazolidin-4-ones: New Alternative Method Preparation of 4,5-Dihydro-1H-imidazol-5-ones Oxidation of Substituted Imidazolidin-4-ones: New Alternative Method Preparation of 4,5-Dihydro-1H-imidazol-5-ones
skos:notation
RIV/00216275:25310/10:39881312!RIV11-MSM-25310___
n3:aktivita
n18:Z
n3:aktivity
Z(MSM0021627501)
n3:cisloPeriodika
6
n3:dodaniDat
n6:2011
n3:domaciTvurceVysledku
n12:6034543 n12:1357727 n12:5804620 n12:4978684
n3:druhVysledku
n10:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
277866
n3:idVysledku
RIV/00216275:25310/10:39881312
n3:jazykVysledku
n9:eng
n3:klicovaSlova
4,5-Dihydro-1H-imidazol-5-ones; Imidazolidin-4-ones; Oxidation
n3:klicoveSlovo
n5:5-Dihydro-1H-imidazol-5-ones n5:4 n5:Imidazolidin-4-ones n5:Oxidation
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[7AE3DBC5FDF2]
n3:nazevZdroje
Journal of Heterocyclic Chemistry
n3:obor
n11:CC
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n6:2010
n3:svazekPeriodika
47
n3:tvurceVysledku
Sedlák, Miloš Panov, Illia Padělková, Zdeňka Hanusek, Jiří Drabina, Pavel
n3:wos
000284740700016
n3:zamer
n15:MSM0021627501
s:issn
0022-152X
s:numberOfPages
5
n8:organizacniJednotka
25310