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rdf:type
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Description
| - Epimeric 5'-(RS) dialkyl 3-deoxy-3',4'-didehydro-5'-C-phosphonates were prepared by nucleophilic addition of various dialkyl phosphites to 3'-deoxy-3',4'-didehydronucleoside-5'-aldehydes. Whereas direct NMR configuration assignment for the C5' atom bearing the phosphoryl and hydroxy groups using the J (P,H4') and J (H5',H4') coupling constants is impossible due to the absence of the H4' atom, successful separation, crystallisation and X-ray analysis of a pair of epimeric 5'-C-phosphonates, followed by correlation with a series of NMR parameters, led to efficacious configuration assignment of individual epimers in the mixtures.
- Epimeric 5'-(RS) dialkyl 3-deoxy-3',4'-didehydro-5'-C-phosphonates were prepared by nucleophilic addition of various dialkyl phosphites to 3'-deoxy-3',4'-didehydronucleoside-5'-aldehydes. Whereas direct NMR configuration assignment for the C5' atom bearing the phosphoryl and hydroxy groups using the J (P,H4') and J (H5',H4') coupling constants is impossible due to the absence of the H4' atom, successful separation, crystallisation and X-ray analysis of a pair of epimeric 5'-C-phosphonates, followed by correlation with a series of NMR parameters, led to efficacious configuration assignment of individual epimers in the mixtures. (en)
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Title
| - 5´-Epimeric 3´-deoxy-3´,4´-didehydronucleoside-5´-C-phosphonates: synthesis and structural assignment by NMR and X-ray analyses
- 5´-Epimeric 3´-deoxy-3´,4´-didehydronucleoside-5´-C-phosphonates: synthesis and structural assignment by NMR and X-ray analyses (en)
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skos:prefLabel
| - 5´-Epimeric 3´-deoxy-3´,4´-didehydronucleoside-5´-C-phosphonates: synthesis and structural assignment by NMR and X-ray analyses
- 5´-Epimeric 3´-deoxy-3´,4´-didehydronucleoside-5´-C-phosphonates: synthesis and structural assignment by NMR and X-ray analyses (en)
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skos:notation
| - RIV/61388963:_____/11:00360662!RIV12-AV0-61388963
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA202/09/0193), P(GA203/09/0820), P(GA203/09/1919), P(KAN200520801), P(LC06077), Z(AV0Z40550506)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61388963:_____/11:00360662
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Abramov reaction; hydroxy phosphonates; 3´,4´-didehydronucleoside C-phosphonates; gamma-gauche interaction (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Buděšínský, Miloš
- Petrová, Magdalena
- Rosenberg, Ivan
- Klepetářová, Blanka
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1016/j.tet.2011.04.037
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is http://linked.open...avai/riv/vysledek
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