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A reusable CuSO4 · 5H2O/cationic 2,2′-bipyridyl system catalyzed homocoupling of terminal alkynes in water

✍ Scribed by Tzu-Min Wu; Shao-Hsien Huang; Fu-Yu Tsai

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 109 KB
Volume: 25
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.1780

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✦ Synopsis

A reusable CuSO 4 • 5H 2 O/cationic 2,2 -bipyridyl system catalyzed the homocoupling reaction of terminal alkynes in water using I 2 as the additive in the presence or absence of tetrabutylammonium bromide, giving the 1,3-diynes in good to high yields. After reaction, the residual aqueous solution could be reused several times.

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