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Synthesis and intramolecular inclusion of β-cyclodextrins linked with a cyclohexyl group

✍ Scribed by Dong Bo Li; Siu-Choon Ng; Igor Novak

Book ID
104250446
Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
129 KB
Volume
43
Category
Article
ISSN
0040-4039

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✦ Synopsis

Cyclohexanecarboxylic acid (6 A -deoxy-b-cyclodextrin-6 A -C-yl)-amide (CHC-bCD) was synthesized via an aza-Wittig reaction and found to form in water, a temperature-independent intramolecular complex with its own cyclohexyl moiety. The analysis was based on data from 2D and variable-temperature NMR spectroscopy. The self-inclusion behavior of peracetylated CHC-bCD (PACHC-bCD) in chloroform was also investigated.

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## Abstract Three novel bis(__β__‐cyclodextrin (CD))s with flexible glycol linkers, __i.e.__, ethylene glycol‐bridged bis(6‐hydroxy‐6‐deoxy‐__β__‐CD) (**2**), diethylene glycol‐bridged bis(6‐hydroxy‐6‐deoxy‐__β__‐CD) (**3**), and triethylene glycol‐bridged bis(6‐hydroxy‐6‐deoxy‐__β__‐CD) (**4**) ha