Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine

Martin G. Banwell; Brett D. Bissett; Stefan Busato; Cameron J. Cowden; David C. R. Hockless; Jeffrey W. Holman; Roger W. Read; Angela W. Wu

doi:10.1039/C39950002551

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Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine

Martin G. Banwell, Brett D. Bissett, Stefan Busato, Cameron J. Cowden, David C. R. Hockless, Jeffrey W. Holman, Roger W. Read and Angela W. Wu

Abstract

A combination of triflic anhydride and 4-(N,N-dimethylamnino)pyridine effects Bischler–Napieraiski cyclisation of β-phenethytearbamates and β-phenethylamides under very mild conditions.

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DOI: https://doi.org/10.1039/C39950002551
Article type: Paper

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J. Chem. Soc., Chem. Commun., 1995, 2551-2553

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Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine

M. G. Banwell, B. D. Bissett, S. Busato, C. J. Cowden, D. C. R. Hockless, J. W. Holman, R. W. Read and A. W. Wu, J. Chem. Soc., Chem. Commun., 1995, 2551 DOI: 10.1039/C39950002551

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Journal of the Chemical Society, Chemical Communications

Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine

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Trifluoromethanesulfonic anhydride–4-(N,N-dimethylamino)pyridine as a reagent combination for effecting Bischler–Napieraiski cyclisation under mild conditions: application to total syntheses of the Amaryllidaceae alkaloids N-methylcrinasiadine, anhydrolycorinone, hippadine and oxoassoanine

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