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Condensations of Aromatic Aldehydes with Oxazolines and a New Synthesis of Cinnamic Acids

โœ Scribed by Wehrmeister, H. L.


Book ID
120418705
Publisher
American Chemical Society
Year
1962
Tongue
English
Weight
293 KB
Volume
27
Category
Article
ISSN
0022-3263

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A new direct synthesis of cinnamic acids
โœ Constantin I Chiriac; Fulga Tanasa; Marioara Onciu ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 132 KB

Cinnamic acids have been prepared in 59-86% yields by a new direct synthesis from aromatic aldehydes and aliphatic carboxylic acids in the presence of sodium borohydride and N-methyl-2-pyrrolidinone (NMP) as solvent, at reflux (185-190ยฐC), for 9-12 hours. Without sodium borohydride, this reaction is