30th March 2020


Benzopyrans, also known as chromenes, are bicyclic heterocycles consisting of a benzene ring fused to a pyran. Along with its keto-derivatives, chromone and coumarin, the chromene structure is a common occurrence in nature, with a high proportion being biologically active.
Considered to be privileged structures in medicinal chemistry the benzopyran motif can be found in the core of a wide number of available drugs, including Alnitidan, a serotonergic drug used to prevent migraines, anticoagulants like Warfarin and Dicoumarol, Batoprazine, a serenic, anti-aggressive agent and other drugs used for treatment of nausea, inflammation, cancer and dementia.

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