Journal
TETRAHEDRON
Volume 74, Issue 15, Pages 1832-1837Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2018.02.046
Keywords
Tandem oxidative; Isocyanide; Cycloaddition; MIL-101(Cr); Aerobic oxidation
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Funding
- Research Council of Shahid Beheshti University
- Catalyst Center of Excellence (CCE) of Shahid Beheshti University
- Iran National Elites Foundation (INEF)
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The tandem oxidative three-component synthesis of two types of the heterocycles such as furans and imidazopyridines, via isocyanides [1+4] cycloaddition reactions in the presence of MIL-101(Cr) under aerobic conditions are reported. When the 4-toluenesulfonylmethyl isocyanide was used, an unexpected [3+2] cycloaddition reaction of isocyanides with aldehydes accomplished and dihydrophenyloxazoles and phenyloxazoles produced. These syntheses were successfully carried out using a wide scope of the substrates. (C) 2018 Elsevier Ltd. All rights reserved.
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