About: 6-Amino-2,6-dideoxy- or -2,3,6-trideoxyhexono-1,6-lactams: Synthesis and conformation     Goto   Sponge   NotDistinct   Permalink

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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)
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)
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)
skos:notation
  • RIV/60461373:22330/04:00012945!RIV/2005/MSM/223305/N
http://linked.open.../vavai/riv/strany
  • 867-884
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 223300006)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 596726
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22330/04:00012945
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • carbohydrates;aminosugars;lactams;conformation analysis;CD spectroscopy;NMR spectroscopy (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [6FF7C3078173]
http://linked.open...i/riv/nazevZdroje
  • Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 69
http://linked.open...iv/tvurceVysledku
  • Havlíček, Jaroslav
  • Votavová, H.
  • Kefurt, Karel
  • Pospíšilová, H.
  • Hamerníková, M.
  • Bláhová, R.
http://linked.open...n/vavai/riv/zamer
issn
  • 0009-2770
number of pages
http://localhost/t...ganizacniJednotka
  • 22330
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