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Synthesis of berberine bromide analogs containing tertiary amides of acetic acid in the 9-O-position

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Chemistry of Natural Compounds Aims and scope

9-O-Acetamide analogs of berberine bromide were prepared in 20–87% yields via reaction of the isoquinoline alkaloid berberrubine with tertiary amides of bromoacetic acid. Aminolysis did not occur during reaction of methyl-2-(9-demethoxyberberine bromide-9-yl)hydroxyacetate with secondary amines. The corresponding acid or its ethyl ester was isolated.

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Acknowledgment

The work was supported financially by the RAS Presidium Basic Research Program “Basic Sciences – Medicine,” Grant No. 34.

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Correspondence to I. V. Nechepurenko.

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Translated from Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2012, pp. 924–929.

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Nechepurenko, I.V., Komarova, N.I., Vasil’ev, V.G. et al. Synthesis of berberine bromide analogs containing tertiary amides of acetic acid in the 9-O-position. Chem Nat Compd 48, 1047–1053 (2013). https://doi.org/10.1007/s10600-013-0461-z

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  • DOI: https://doi.org/10.1007/s10600-013-0461-z

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