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Crystal structure of di-β-d-fructofuranose 2′, 1:2,3′-dianhydride

✍ Scribed by Tomohiko Taniguchi; Masami Sawada; Takanori Tanaka; Takao Uchiyama

Book ID: 102994699
Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 443 KB
Volume: 177
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(88)85037-7

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✦ Synopsis

The crystals of di-/3-D-fructofuranose 2' ,1:2,3'-dianhydride are monoclinic, space group nl, with unit-cell dimensions a = 12.8557( 14), b = 7.7266( 7), c = 7.0322( 9)& /3 = 97.395(10)", z = 2. The structure was solved by the direct method, and refined to an R value of 0.046 and an Rw value of 0.048 for 2123 observed reflections. The conformations of the furanose rings are 'E with P = 302.5" and 7 m = 39.4" for D-fructose 1, and 3T2 with P = 145.7" and r ,,, = 35.8" for n-fructose 2. The fused, 1,Cdioxane ring has a chair conformation with Cremer-Pople puckering parameters Q = 0.

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