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Synthesis of Some 2, 6-Disubstituted 4-Amidopyridines and -Thioamidopyridines, and Their Antimycobacterial and Photosynthesis-Inhibiting Activity
Molecules 2000, 5(3), 219-226; doi:10.3390/50300219

Crystal Structure of Methyl 4-Acetamido-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-ß-D-allopyranoside

1,* , 1, 1, 2, 3, 3 and 3
1 Institute of Chemistry, Slovak Academy of Sciences, SK-84238 Bratislava, Slovak Republic 2 Department of Inorganic Environmental Chemistry, Chalmers University of Technology, SE-41296 Göteborg, Sweden 3 Institute of Inorganic Chemistry, Slovak Academy of Sciences, SK-84236 Bratislava, Slovak Republic
* Author to whom correspondence should be addressed.
Received: 17 February 2000 / Accepted: 28 February 2000 / Published: 2 March 2000
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The detailed structure of methyl 4-acetamido-4-cyano-4,6-dideoxy-2,3-Oisopropylidene-ß-D-allopyranoside was established by X-ray analysis confirming allo configuration at C-4 and suggesting a 4C1 conformation of the pyranose ring. The values of relevant torsion angles and calculated puckering parameters revealed a distortion into the direction of 0H5, thus indicating a flattening at C-1 and C-4.
Keywords: Amino nitrile; methyl allopyranoside; amino sugar; X-ray analysis Amino nitrile; methyl allopyranoside; amino sugar; X-ray analysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Koóš, M.; Steiner, B.; Gajdoš, J.; Langer, V.; Gyepesová, D.; Smrčok, L.; Ďurík, M. Crystal Structure of Methyl 4-Acetamido-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-ß-D-allopyranoside. Molecules 2000, 5, 219-226.

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