2-Phenyl-4H-Benzo[H]Chromen-4-One

Alpha-Naphthoflavone has several applications in pharmacology and toxicology due to its ability to modulate enzyme activity. It is used in research to study drug interactions and the metabolic pathways of various compounds. Additionally, its inhibitory effects on specific cytochrome P450 enzymes make it a candidate for enhancing the efficacy of certain anticancer drugs by sensitizing resistant cancer cells. Moreover, derivatives of alpha-Naphthoflavone are being explored as potential adjuvants in drug development.

Alpha-Naphthoflavone exhibits significant biological activity, particularly in its interactions with cytochrome P450 enzymes. It inhibits the activity of cytochrome P450 1A1, 1A2, and 1B1, with IC50 values of approximately 500 nM, 60 nM, and 5 nM respectively. Conversely, it activates cytochrome P450 3A4 with a dissociation constant (Kd) of about 7.4 µM. This dual role makes alpha-Naphthoflavone an essential compound for studying drug metabolism and potential therapeutic applications.

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