Abstract
A microwave-assisted expedient route for the synthesis of novel 3-phenylpyrazino[1,2-a]indol-1(2H)-one derivatives is reported. The method has advantages such as accelerated reaction rate, excellent yields, simplicity of operation, and is eco-friendly. Microwave heating of ammonium acetate generates the NH3 nucleophile required for the cyclization reaction and acetic acid.
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The authors thank Council for Scientific and Industrial Research (CSIR) New Delhi for financial assistance for this work and the Principal, K. T. H. M. College, Nashik - 422 002 for facilities.
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Toche, R., Chavan, S. & Janrao, R. Microwave-assisted synthesis of fused tricyclic pyrazino[1,2-a]indole derivatives. Monatsh Chem 145, 1507–1512 (2014). https://doi.org/10.1007/s00706-014-1216-7
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DOI: https://doi.org/10.1007/s00706-014-1216-7