Facile Synthesis of Mono- and Polytopic β -Cyclodextrin Aromatic Aldehydes by Click Chemistry.

Autor:	Guo, Hongyu, Yang, Fafu, Zhang, Yingmei, Di, Xingdong
Předmět:	CYCLODEXTRINS synthesis AROMATIC aldehydes CLICK chemistry ALDEHYDE derivatives COPPER catalysts ALKYNES RING formation (Chemistry)
Zdroj:	Synthetic Communications; 2015, Vol. 45 Issue 3, p338-347, 10p
Abstrakt:	The first examples of mono-, di-, and trimericβ-cyclodextrin aromatic aldehyde derivatives5, 10, and11were designed and conveniently synthesized by using the CuI-catalyzed azide–alkyne cycloaddition reaction of mono-6-azido-cyclodextrin (CD) with aromatic aldehyde alkynyl derivatives. The reaction proceeded under mild conditions, and the yields were as high as 75%. The ultraviolet–visible complexation experiments suggested they had good binding properties for dyes and the more CDs units were achieved greater association constants. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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