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Novel cage-like indolizine-acenaphthene-pyridinone heterocyclic hybrids were synthesized in good yields through [bmim]Br mediated tandem 1,3-dipolar cycloaddition-annulation sequence. The anti-inflammatory activity of these hybrids was performed using carrageenan-induced hind paw oedema,… Click to show full abstract
Novel cage-like indolizine-acenaphthene-pyridinone heterocyclic hybrids were synthesized in good yields through [bmim]Br mediated tandem 1,3-dipolar cycloaddition-annulation sequence. The anti-inflammatory activity of these hybrids was performed using carrageenan-induced hind paw oedema, croton oil-induced ear oedema and cotton pellet-induced granuloma models. Four of these cage-like heterocyclic hybrids viz. 4b, 4d, 4e and 4j showed substantial anti-inflammatory activities against acute and chronic inflammatory models and also showed significant inhibition of PGE2, TNF-α, and nitrite levels in carrageenan-induced hind paw oedema.
Journal Title: Bioorganic chemistry
Year Published: 2019
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