An efficient potassium cyanide-promoted synthesis of 2-arylbenzoxazoles from [4.3.0]boron heterobicycles
Lopez Ruíz, Heraclio
2010
Heraclio López-Ruiz, Horacio Briseño-Ortega, Susana Rojas-Lima, Rosa Santilllán, Norberto Farfán. An efficient potassium cyanide-promoted synthesis of 2-arylbenzoxazoles from [4.3.0]boron heterobycycles. Tetrahedron Letters 2010, Vol. 51, Núm. 19, pp 2633-2635 DOI: http://dx.doi.org/10.1016/j.tetlet.2010.03.027
Abstract
The 2-arylbenzoxazoles 3af were produced in moderate to excellent yields merely by stirring a potassium cyanide (3 equiv)-containing methanol solution of the borobicyclic compounds 1af at room temperature. These compounds were fully characterized spectroscopically [IR, 1H, and 13C NMR and X-ray analysis (3a)] and by elemental analysis.
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