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Crystal Structure of Methyl 4-amino-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-α-L-talopyranoside
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: 29 May 2000; in revised form: 7 September 2000 / Accepted: 26 September 2000 / Published: 31 October 2000
Abstract: The structure of methyl 4-amino-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-α-Ltalopyranoside was established by X-ray analysis confirming a talo configuration at C-4 and suggesting a 1C4 conformation of the pyranose ring. The values of relevant torsion angles and calculated puckering parameters revealed a distortion into the direction of 5E conformation, thus indicating a flattening at C-2.
Keywords: Amino nitrile; methyl talopyranoside; amino sugar; X-ray analysis
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Koóš, M.; Steiner, B.; Mičová, J.; Langer, V.; Ďurík, M.; Gyepesová, D.; Smrčok, Ľ. Crystal Structure of Methyl 4-amino-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-α-L-talopyranoside. Molecules 2000, 5, 1113-1120.
Koóš M, Steiner B, Mičová J, Langer V, Ďurík M, Gyepesová D, Smrčok Ľ. Crystal Structure of Methyl 4-amino-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-α-L-talopyranoside. Molecules. 2000; 5(10):1113-1120.
Koóš, Miroslav; Steiner, Bohumil; Mičová, Júlia; Langer, Vratislav; Ďurík, Marián; Gyepesová, Dalma; Smrčok, Ľubomír. 2000. "Crystal Structure of Methyl 4-amino-4-cyano-4,6-dideoxy-2,3-O-isopropylidene-α-L-talopyranoside." Molecules 5, no. 10: 1113-1120.