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Synthesis of trans-Cinnamic Acids from Aryl Aldehydes and Aryl Aldehyde Bisulfite Adducts with Malonic Acid Using Piperazine.

✍ Scribed by Ahmad Reza Khosropour; Mohammad Mehdi Khodaei; Hassan Moghanian


Publisher
John Wiley and Sons
Year
2005
Weight
19 KB
Volume
36
Category
Article
ISSN
0931-7597

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✍ Ahmad R. Khosropour; Mohammad M. Khodaei; Seyed J. Hoseini Jomor πŸ“‚ Article πŸ“… 2008 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 323 KB

## Abstract magnified image A one‐pot procedure for the synthesis of 4‐arylidene‐2‐phenyl‐5(4__H__)oxazolones directly from aryl aldehyde bisulfite adducts in the absence of Ac~2~O in good to excellent yields using phosphoryl chloride is reported. In addition, the observed chemoselectivity can be