482-20-2COc1cc2c3c(c4cc(OC)c(OC)cc4c2cc1OC)CN1CCC[C@H]1C3SSEUDFYBEOIWGF-AWEZNQCLSA-NTylophorine is an organonitrogen heterocyclic compound and an organic heteropentacyclic compound.
解説C24H27NO4(393.48).ガガイモ科Tylophora asthmatica,クワ科Ficus septicaなどから得られるアルカロイド."分解点292 ℃.[α]D-12°(クロロホルム).λmax 255,290,340,352 nm(log ε 4.74,4.49,3.30,2.93).弱い抗菌活性をもつ.カエルに強い毒性を示すが,ネズミやモルモットには弱毒性である.[CAS 482-20-2]森北出版「化学辞典(第2版)
説明Tylophorine is an alkaloid first isolated in 1935 from plants of the genus Tylophora. Studies have demonstrated that this class of alkaloids, characterized by a phenanthroindolizidine skeleton, exhibits potent antitumor, anti-inflammatory, and antiviral activities. A representative tylophorine analogue, DCB-3503 (NSC-716802, 1), displayed an average GI₅₀ value of approximately 10⁻⁸ M against 59 human tumor cell lines in the National Cancer Institute (NCI) anticancer drug screening panel and also inhibited the proliferation of multidrug-resistant tumor cells. Tylocrebrine, another representative member of this class, advanced to Phase I clinical trials as a potential antitumor agent but was subsequently withdrawn because of severe neurotoxicity. Although extensive studies have investigated the antitumor mechanisms of tylophorine alkaloids, their direct molecular targets remain unclear.[1]
使用(+)-(S)-Tylophorine is a a major alkaloid of Tylophora indica. (+)-(S)-Tylophorine is an immunosuppressant and inflammation inhibitor. (+)-(S)-Tylophorine showed antiproliferative activity and induction of apoptosis in tumor cells.
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482-20-2DTXSID30964025CHEMBL250426、CHEMBL258137CHEBI:9786