Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Z. Kefurtova"'
Autor:
Karel Kefurt, Z. Kefurtova, Sarka Bambasova, Kateřina Buchalová, Barbora Vymětalíková, Oldřich Paleta, Jitka Moravcová, Jan Staněk
Publikováno v:
Collection of Czechoslovak Chemical Communications. 66:1665-1681
1,2-O-Isopropylidene-3-O-methyl-α-D-xylofuranose (2), 1,2-O-isopropylidene-α-D-xylofuranose (3), 2,4-O-ethylidene-D-erythritol (4) and 1,3-O-ethylidene-D-threitol (5) were alkylated with racemic (2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptyl)oxiran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d6520bfdd636eb0e4a08e06a451cab5
https://doi.org/10.1135/cccc20011665
https://doi.org/10.1135/cccc20011665
Publikováno v:
Collection of Czechoslovak Chemical Communications. 62:1919-1930
Four configuration isomers of 5-amino-5-deoxy-D-pentonolactam 1a-4a and their tri-O-acetyl derivatives 1b-4b were studied using NMR and CD spectroscopy. For all compounds chemical shifts of the 1H and 13C nuclei as well as of vicinal coupling constan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5135b1d198bc5637879e13545b306e97
https://doi.org/10.1135/cccc19971919
https://doi.org/10.1135/cccc19971919
Publikováno v:
Collection of Czechoslovak Chemical Communications. 61:1027-1036
5-Azido-5-deoxy-1,2-O-isopropylidene-α-D-xylofuranose (4) and 5-azido-5-deoxy-1,2-O-isopropylidene-β-D-arabinofuranose (10) were prepared starting from D-xylose and D-arabinose, respectively. Using the oxidation-reduction way for the C-3 epimerizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a1025adb81d86450ddf94c2942ca6ed
https://doi.org/10.1135/cccc19961027
https://doi.org/10.1135/cccc19961027
Publikováno v:
ChemInform. 27
5-Azido-5-deoxy-1,2- O -isopropylidene-α-D-xylofuranose ( 4 ) and 5-azido-5-deoxy-1,2- O -isopropylidene-β-D-arabinofuranose ( 10 ) were prepared starting from D-xylose and D-arabinose, respectively. Using the oxidation-reduction way for the C-3 ep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54eb61605f65f325ded9c6650e1865fc
https://doi.org/10.1002/chin.199646235
https://doi.org/10.1002/chin.199646235
Publikováno v:
Carbohydrate Research. 223:137-145
Enzymically catalysed, partial deacetylation of the 5,6-diacetates of 3-deoxy-1,2- O -isopropylidene-α- d - ribo -hexofuranose and 1,2- O -isopropylidene-α- d -gluco- and -allo-furanose with different substituents at C-3(OAc, OMe, NHAc) gives the 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a108553ff99ea8d7c9b956775a136aad
https://doi.org/10.1016/0008-6215(92)80012-p
https://doi.org/10.1016/0008-6215(92)80012-p
Publikováno v:
Collection of Czechoslovak Chemical Communications. 42:3180-3185
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75707ca85070ea7919954bf84068856a
https://doi.org/10.1135/cccc19773180
https://doi.org/10.1135/cccc19773180
Publikováno v:
Collection of Czechoslovak Chemical Communications. 41:1791-1798
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5578b9ad1794c2c204cbcf3e99053906
https://doi.org/10.1135/cccc19761791
https://doi.org/10.1135/cccc19761791
Publikováno v:
Collection of Czechoslovak Chemical Communications. 40:300-312
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d8b221b1125583a7176ae00e7068a0
https://doi.org/10.1135/cccc19750300
https://doi.org/10.1135/cccc19750300
Publikováno v:
Collection of Czechoslovak Chemical Communications. 53:1795-1805
6-Azido-6-deoxy-D-mannose (III), prepared from methyl 4,6-O-benzylidene-α-D-mannopyranoside, 6-azido-6-deoxy-D-talose (XI), prepared from methyl 6-azido-2,3-O-isopropylidene-α-D-mannopyranoside (VII) via 4-keto derivative VIII, and 6-azido-6-deoxy-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e73739c31259b6d28b421995165c6c8c
https://doi.org/10.1135/cccc19881795
https://doi.org/10.1135/cccc19881795
Publikováno v:
Collection of Czechoslovak Chemical Communications. 44:2526-2535
Partial tosylation of monoisopropylidene glucose I and monoisopropylidene allose II gave their 6-O-tosyl derivatives III and IV which were further converted to 6-azido-6-deoxy-D-glucose (XV ) and 6-azido-6-deoxy-D-allose (XVI) via 5,6-anhydrocompound
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10c35af23dbc2e3b4b9e221c982ea5ad
https://doi.org/10.1135/cccc19792526
https://doi.org/10.1135/cccc19792526