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Alkaloids of Peganum harmala. Unusual reaction of peganine and vasicinone

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Abstract

A number of derivatives of peganine and vasicinone have been obtained: 4-hydroxy-9-O-methylpeganine, isodihydrovasicinone, and 9-methoxy-, 9-phenoxy-, and 9,9-dichlorodeoxyvasicinones. An unusual ease of reduction of vasicinone and of 9-chlorodeoxyvasicinone has been found. An introduction of a hydroxy group into position 4 of a dihydroquinazoline alkaloid with the aid of sodium hydride has been detected.

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Institute of Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 541–545, July–August, 1991.

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Telezhenetskaya, M.V., D'yakonov, A.L. Alkaloids of Peganum harmala. Unusual reaction of peganine and vasicinone. Chem Nat Compd 27, 471–474 (1991). https://doi.org/10.1007/BF00636573

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  • DOI: https://doi.org/10.1007/BF00636573

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