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Chat OnlineIn another flask, β-CD (4.257 g, 3.74 mmol) and K 2 CO 3 (6.369 g, 59.91 mmol) were suspended in 25 mL of deionized H 2 O and sonicated for 10 min. This solution was then added dropwise to the THF solution. A sample of cotton 400 (1.429 g) was added to the reaction mixture, and the contents of the flask were bubbled with N 2 for 5 min.
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