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rdf:type
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Description
| - 6-Amino-2,6-dideoxy-D-ribo-hexono-1,6-lactam (1a), 6-amino-2,6-dideoxy-D-arabino-hexono-1,6-lactam (2a), 6-amino-2,3,6-trideoxy-L-threo-hexono-1,6-lactam (3a) and per-O-acetyl derivatives 1b-3b were synthesized and their seven-membered lactam ring conformation was studied. H-1' and C-13 NMR spectra of the named lactams, measured at low temperature, always disclosed the presence of both C-1,N(4) and C-4(1,N) conformations in ratios which were affected mainly by the stereochemistry of cyclohexane. These results contrast with those previously found for the lactams having OH or OAc at C2, and support a concept of the directive role of the C2 substituent in conformation equilibrium.carbohydrates; aminosugars; lactams; conformation analysis; CD spectroscopy; NMR
- 6-Amino-2,6-dideoxy-D-ribo-hexono-1,6-lactam (1a), 6-amino-2,6-dideoxy-D-arabino-hexono-1,6-lactam (2a), 6-amino-2,3,6-trideoxy-L-threo-hexono-1,6-lactam (3a) and per-O-acetyl derivatives 1b-3b were synthesized and their seven-membered lactam ring conformation was studied. H-1' and C-13 NMR spectra of the named lactams, measured at low temperature, always disclosed the presence of both C-1,N(4) and C-4(1,N) conformations in ratios which were affected mainly by the stereochemistry of cyclohexane. These results contrast with those previously found for the lactams having OH or OAc at C2, and support a concept of the directive role of the C2 substituent in conformation equilibrium.carbohydrates; aminosugars; lactams; conformation analysis; CD spectroscopy; NMR (en)
- Byly připraveny 6-amino-2,6-dideoxy-D-ribo-hexono-1,6-laktam, 6-amino-2,6-dideoxy-D-arabino-hexono-1,6-laktam, 6-amino-2,3,6-trideoxy-L-threo-hexono-1,6-laktam a jejich per-O-acetylderiváty. Byla studována jejich konformace pomocí 1H a 13C NMR spekter. (cs)
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Title
| - 6-Amino-2,6-dideoxy- a-2,3,6-trideoxyhexono-1,6-lactamy: Synthesa a konformace (cs)
- 6-Amino-2,6-dideoxy- or -2,3,6-trideoxyhexono-1,6-lactams: Synthesis and conformation
- 6-Amino-2,6-dideoxy- or -2,3,6-trideoxyhexono-1,6-lactams: Synthesis and conformation (en)
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skos:prefLabel
| - 6-Amino-2,6-dideoxy- a-2,3,6-trideoxyhexono-1,6-lactamy: Synthesa a konformace (cs)
- 6-Amino-2,6-dideoxy- or -2,3,6-trideoxyhexono-1,6-lactams: Synthesis and conformation
- 6-Amino-2,6-dideoxy- or -2,3,6-trideoxyhexono-1,6-lactams: Synthesis and conformation (en)
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skos:notation
| - RIV/60461373:22330/04:00012945!RIV/2005/MSM/223305/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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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/60461373:22330/04:00012945
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - carbohydrates;aminosugars;lactams;conformation analysis;CD spectroscopy;NMR spectroscopy (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Collection of Czechoslovak Chemical Communications
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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...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Havlíček, Jaroslav
- Votavová, H.
- Kefurt, Karel
- Pospíšilová, H.
- Hamerníková, M.
- Bláhová, R.
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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://localhost/t...ganizacniJednotka
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