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Copper catalysed synthesis of indolylquinazolinone alkaloid bouchardatine

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Abstract

We describe the total synthesis of indolylquinazolinone alkaloid bouchardatine and some of the quinazolinone derivatives. The aerobic oxidation induced by copper(I) bromide, followed by Vilsmeier-Haack formylation gives the natural product bouchardatine alkaloid in good yield.

2,3-Dihydroquinazolin-4(1H)-ones are an important class of privileged compounds which have a range of applications in many areas of chemistry and frequently found in many natural products. The aerobic oxidation induced by copper(I) bromide, followed by Vilsmeier-Haack formylation gives the natural product bouchardatine alkaloid in good yield.

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Acknowledgements

We thank the Department of Science and Technology (DST) (Project number: SR/S1/OC-70/2008) for financial support. M V thanks the Council of Scientific and Industrial Research (CSIR) for a Senior Research Fellowship.

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Correspondence to RAJAGOPAL NAGARAJAN.

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VIJI, M., NAGARAJAN, R. Copper catalysed synthesis of indolylquinazolinone alkaloid bouchardatine. J Chem Sci 126, 1075–1080 (2014). https://doi.org/10.1007/s12039-014-0637-5

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