期刊
SYNTHETIC COMMUNICATIONS
卷 44, 期 5, 页码 640-647出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2013.831103
关键词
Aromatic cyanodienone; heterogeneous catalysis; neutral alumina; pyrylium salt
资金
- Research Council at the University of Shahid Chamran
The work described herein employs neutral alumina as an effective catalyst for ring opening of triarylpyrylium perchlorates to corresponding aromatic cyanodienones, which have main roles in biological activities. The present porous catalyst has several advantages, it is inexpensive, thermally and mechanically stable, nontoxic, and highly resistant against organic solvents. It increases the reaction rate many fold when compared with conventional reaction conditions. Moreover, the recovered alumina can be used several times without serious decrease in activity. [Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications (R) for the following free supplemental resource(s): Full experimental and spectral details.]
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