期刊
MOLECULES
卷 20, 期 2, 页码 2837-2849出版社
MDPI
DOI: 10.3390/molecules20022837
关键词
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资金
- University of Turin
The ball-mill-based mechanochemical activation of metallic copper powder facilitates solvent-free alkyne-azide click reactions (CuAAC). All parameters that affect reaction rate (i.e., milling time, revolutions/min, size and milling ball number) have been optimized. This new, efficient, facile and eco-friendly procedure has been tested on a number of different substrates and in all cases afforded the corresponding 1,4-disubstituted 1,2,3-triazole derivatives in high yields and purities. The final compounds were isolated in almost quantitative overall yields after simple filtration, making this procedure facile and rapid. The optimized CuAAC protocol was efficiently applied even with bulky functionalized beta-cyclodextrins (beta-CD) and scaled-up to 10 g of isolated product.
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