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2-Benzothiazolemethanol as Precursor of 2-Aryl-1-(2-benzothiazolyl)-1-ethanones.

✍ Scribed by Sergey V. Ryabukhin; Andrey S. Plaskon; Anton V. Tverdokhlebov; Andrey A. Tolmachev

Publisher
John Wiley and Sons
Year
2004
Weight
77 KB
Volume
35
Category
Article
ISSN
0931-7597

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✍ Gurusamy Ravindran; Shanmugam Muthusubramanian; Subbu Perumal 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 72 KB

## Abstract magnified image Unexpected quinoxalines (**3**) have been obtained from a one‐pot reaction of 2‐[(2‐oxo‐2‐arylethyl)anilino]‐1‐aryl‐1‐ethanones (**1**) with __o__‐phenylenediamine (**2**) in the presence of a catalytic amount of __p__‐toluene sulfonic acid. The reaction presumably invo