Summary
1. The chemical shifts and spin-spin coupling constants of the protons of the alkaloid haplophyllidine in 12 solvents have been studied.
2. It has been shown that in deuteropyridine the signals are located in a weaker field than in deuterobenzene.
3. The protons of the furan ring undergo the strongest influence of solvents.
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Additional information
Institute of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 507–510, July–August, 1973.
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Seitanidi, K.L., Yagudaev, M.R. & Yunusov, S.Y. Influence of solvents on the chemical shifts and spin - spin coupling constants of protons in alkaloids I. Haplophyllidine. Chem Nat Compd 9, 477–480 (1973). https://doi.org/10.1007/BF00568634
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DOI: https://doi.org/10.1007/BF00568634