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Crystal Structure of Methyl 4-Acetamido-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-ß-D-allopyranoside
Institute of Chemistry, Slovak Academy of Sciences, SK-84238 Bratislava, Slovak Republic
Department of Inorganic Environmental Chemistry, Chalmers University of Technology, SE-41296 Göteborg, Sweden
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
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
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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.
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(3):219-226.
Koóš, Miroslav; Steiner, Bohumil; Gajdoš, Ján; Langer, Vratislav; Gyepesová, Dalma; Smrčok, L'ubomìr; Ďurík, Marián. 2000. "Crystal Structure of Methyl 4-Acetamido-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-ß-D-allopyranoside." Molecules 5, no. 3: 219-226.