European Journal of Organic Chemistry p. 229 - 233 (2011)
Update date:2022-08-10
Topics:
Li, Jing
Cao, Jing-Jing
Wei, Jun-Fa
Shi, Xian-Ying
Zhang, Li-Hui
Feng, Jin-Juan
Chen, Zhan-Guo
A very efficient and reusable catalyst has been developed for the on-water nucleophilic substitution of alkyl halides and tosylates with azide or thiocyanate in excellent to quantitative yields. The reaction proceeds smoothly and cleanly without any organic cosolvent or other adductive, and the brush can be reused at least 10 times without noticeable loss of the catalytic activity. The high efficiency, simplicity of product and catalyst isolation, outstanding recyclability, and organic-solvent-free conditions show promise for the use of this catalyst in the laboratory and in industry. A highly efficient and reusable ionic liquid brush catalyst has been developed for the on-water nucleophilic substitution of alkyl halides and tosylates with azide or thiocyanate in excellent to quantitative yields without any organic cosolvent or other adductive. The catalyst can be reused at least 10 times without noticeable loss of the catalytic activity. Copyright
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