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A tracer study of the acid-catalyzed condensation of 2-benzoyl-1,2-dihydroisoquinaldonitrile with 1,1-diphenylethylene

✍ Scribed by Tucker T. Yee; William E. McEwen; Alfred P. Wolf


Publisher
Elsevier Science
Year
1965
Tongue
French
Weight
256 KB
Volume
6
Category
Article
ISSN
0040-4039

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✦ Synopsis


In a previous communication (11, which was concerned mainly with the benzoylation of the benzhydryl cation by the reaction of 2-benzoyl-1,2-


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Boric Acid-Catalyzed Direct Condensation
✍ Nenad MaraΕ‘; Marijan Kočevar πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 German βš– 265 KB

## Abstract The applicability of boric acid catalysis for the direct condensation of carboxylic acids with benzene‐1,2‐diamine to give 2‐substituted benzimidazoles was investigated. It was found that catalytic amounts (5–10β€…mol‐%) of boric acid efficiently promote the cyclocondensation of aliphatic