N-Methylene conjugate of (–)-cytisine and (4',7-dihydroxy-3'-methoxy)isoflavone, extracted from Sophora alopecuroides L., has been designed and synthesized in 7 steps with 50.6% with respect to the starting ketone. The neuroprotective effect of the conjugate has been investigated for the first time. The results showed that it could significantly promote in vitro viability of neural stem cells of Sprague–Dawley rats in a concentration-dependent manner (both p < 0.01). When the loading was 0.4 mg/kg, the conjugate could increase the number of new neurons in the hippocampal dentate gyrus in transgenic 5xFAD mice (p < 0.05). It is suggested that the conjugate plays an important role in neuroprotective process, which might prove useful for the development of new drugs for the treatment of neurological diseases.
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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2023, 59(1/2), 41–47
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Tang, L., Chen, LY., Jia, ZH. et al. Synthesis and neuroprotective activity of a (–)-cytisine-isoflavone conjugate. Chem Heterocycl Comp 59, 41–47 (2023). https://doi.org/10.1007/s10593-023-03160-8
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DOI: https://doi.org/10.1007/s10593-023-03160-8