Novel berberine derivatives with annelated four-membered sulfone rings were synthesized. Cycloaddition of alkanesulfonyl chlorides to dihydroberberine occurred with high stereoselectivity and formed a single stereoisomer.
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We thank Khimiya Center for Common Use, SB, RAS, for making the spectral and analytical measurements.
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Translated from Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2021, pp. 910–912.
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Gladkova, E.D., Luzina, O.A. & Salakhutdinov, N.F. Stereoselective Cycloaddition of Alkanesulfonyl Chlorides to Dihydroberberine. Chem Nat Compd 57, 1062–1065 (2021). https://doi.org/10.1007/s10600-021-03550-4
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DOI: https://doi.org/10.1007/s10600-021-03550-4