Journal
CARBOHYDRATE RESEARCH
Volume 337, Issue 13, Pages 1229-1233Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0008-6215(02)00114-3
Keywords
inclusion compound; crystal structure; heptakis(2,6-di-O-methyl)-beta-cyclodextrin; (2,4-dichlorophenoxy)acetic acid; screw column
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The structure of the complex formed by heptakis(2,6-di-O-methyl)-beta-cyclodextrin and (2,4-dichlorophenoxy)acetic acid was studied by X-ray diffraction. The dichlorophenyl moiety of the guest molecule was found outside the host hydrophobic cavity in the primary methoxy groups region whereas the oxyacetic acid chain penetrates the cavity from the primary face. The host molecules stacks along the a crystal axis forming a column. In the space between three successive hosts of the column, a guest molecule is accommodated. (C) 2002 Elsevier Science Ltd. All rights reserved.
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