期刊
GREEN CHEMISTRY
卷 14, 期 8, 页码 2234-2242出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2gc35483g
关键词
-
资金
- National Natural Science Foundation of China [20834002]
A series of new fiber catalysts has been synthesized by aminating a commercially available polyacrylonitrile fiber with polyamines such as diethylenetriamine and triethylenetetramine. These fiber catalysts can efficiently catalyze the Knoevenagel condensation of benzaldehyde and ethyl cyanoacetate in water (yields: 95-98%). The triethylenetetramine aminated fiber catalyst was used to catalyze the condensations of a wide range of aromatic aldehydes and active methylene compounds and in each case, this catalyst performed well with yields higher than 93%. This fiber catalyst also exhibited excellent reusability (up to 21 times) and photostability.
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