In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Synthesis of nature product kinsenoside analogues with anti-inflammatory activity, published in 2021-01-01, which mentions a compound: 58081-05-3, Name is (R)-4-Hydroxydihydrofuran-2(3H)-one, Molecular C4H6O3, Synthetic Route of C4H6O3.
Kinsenoside (I) is a major bioactive component in herbal medicines that possesses a broad range of pharmacol. functions. Goodyeroside A (II), an epimer of kinsenoside, remains less explored. In this report, the authors chem. synthesized kinsenoside, goodyeroside A and their analogs with glycan variation, chirality inversion at chiral center(s), and bioisosteric replacement of lactone with lactam. Among these compounds, goodyeroside A and its mannosyl counterpart III demonstrated superior anti-inflammatory efficacy. Furthermore, goodyeroside A was found to suppress inflammation through inhibiting the NF-κB signal pathway effectively. The structure-activity relationship is also explored for further development of more promising kinsenoside analogs as drug candidates.
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Reference:
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem