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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
Article

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
Received: 17 February 2000 / Accepted: 28 February 2000 / Published: 2 March 2000
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Abstract

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 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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