Crystal structure of the inclusion complex of hexakis-(2,6-di-O-methyl)cyclomaltohexaose with 3-iodopropionic acid
✍ Scribed by Kazuaki Harata
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 570 KB
- Volume
- 192
- Category
- Article
- ISSN
- 0008-6215
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An X-ray diffraction study was carried out on anhydrous permethyl-a-cyclodextrin crystallized from aq solution at 40 °C, space group P212121 with a = 15.424(9), b = 18.167(7), c = 23.128(8) ,~, vol = 6481(5) ~3. The molecule is boat-shaped with the narrow end of the cyclodextrin cavity closed by two
## Abstract Hexakis(2,3‐di‐__O__‐methyl)‐α‐cyclodextrin was treated with 2,4‐dimethoxybenzene‐1,5‐disulfonyl chloride to give 6^A^,6^B^‐di‐__O__‐sulfonated product 5 in only a 3.0% yield. When treated with sodium __p__‐allyloxyphenoxide, 5 gave 6^A^,6^B^‐(bis‐__O__‐__p__‐allyloxyphenyl)hexakis(2,3‐
The crystal of the 1: 1 complex of ethyl laurate with heptakis(2,3,6-tri-0-methyl)cyclomaltoheptaose (ThI-@CD, permethyIated &cyclodextrin) is orthorombic, P&2,2,, with a = 14.796(Z), b m 22.444(6), c = 27.720@) A; V = 9~5(4) k3; and Z = 4. The macrocycles have a distorted ~nfo~ation due to the abse