Cyclization of alpha-Oxo-oximes to 2-substituted benzoxazoles |
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| Authors: | Katritzky Alan R Wang Zuoquan Hall C Dennis Akhmedov Novruz G Shestopalov Aleksandr A Steel Peter J |
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| Institution: | Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA. katritzky@chem.ufl.edu |
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| Abstract: | Reactions of oximes 9, 17, and 19 with electrophiles 15a-f and 24 in the presence of anhydrous potassium carbonate or triethylamine give 2-substituted condensed ring oxazoles 10, 16a-c, 18a-d, 20a-c, and 25 in a new general route to these compounds. |
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