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Polybuffer separation of the alkaloids ofNitraria schoberi

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Summary

It has been established that the epigeal part of the plantNitraria schoberi L. in the budding stage contains 0.5% of alkaloids.

By a combination of the fractionation of the mixture of alkaloids by polybuffer separation with other methods of separation, nine alkaloids have been isolated and studied.

Fractions with a high pH value yielded the following strong bases: nitramine (pH 9 and 8), schoberidine and base A (pH 8), and nitrarine, isonitrarine, and nitramidine (pH 7). The following alkaloids were also isolated: nitraramine (pH 6.5 and 6) and schoberine and base B (pH 4 and the combined chloroform phases of the fractions with pH 7-2).

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Literature cited

  1. A. A. Ibragimov, S.-M. Nasirov, V. G. Andrianov, S. Kh. Maekh, Yu. T. Struchkov, and S. Yu. Yunusov, Khim. Prirodn. Soedin., 273 (1975).

  2. P. I. Brutko, The Polybuffer Separation of Substances [in Russian], Moscow (1975).

  3. G. F. Alyabina, P. Ts. Pravdin, T. T. Shakirov, and Kh. N. Aripov, USSR Authors' Certificate No. 388, 761, Byull. Izobr. No. 29 (1973).

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  8. A. A. Ibragimov, “The Alkaloids ofNitraria schoberi L.” Author's Abstract of Candidate's Dissertation, Tashkent (1975).

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Authors
  1. A. A. Ibragimov
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  2. N. Yu. Novgorodova
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  3. Kh. N. Aripov
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Additional information

Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 84–87, January–February, 1977.

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Ibragimov, A.A., Novgorodova, N.Y. & Aripov, K.N. Polybuffer separation of the alkaloids ofNitraria schoberi . Chem Nat Compd 13, 71–74 (1977). https://doi.org/10.1007/BF00566175

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  • DOI: https://doi.org/10.1007/BF00566175

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