Crystal structure of 1-(2,3:5,6-Di-O-isopropylidene-β-D-mannofuranosyl)-1H-[1,2,3]triazol-4,5-dicarboxylic acid diethyl ester
✍ Scribed by Harry Seibel; Penny L. Miner; Peter Norris; Timothy R. Wagner
- Book ID
- 106403972
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 399 KB
- Volume
- 37
- Category
- Article
- ISSN
- 1572-8854
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The structures of the title compounds (2b and 3) have been investigated in the solid state by X-ray methods. The crystals of 2b are monoclinic, space group P2,, and of 3 orthorhombit, space grtup P2,2,2,. The cell dimensions are: for 2b, a = 9.910(2), b = 11;745W, c = 11.810(3) A, /3 = 97.32(l)"; a
The molecule is a derivative of the naturally occurring carbohydrate D-fNCtOSe. The data reported here indicate that the ketose six-membered ring is constrained by the presence of two fused five-membered rings into the 3So conformation. These findings agree with the n.m.r.-spectroscopic results for