Citrinaline A is a Penicillium-derived quinazolinone alkaloid used as a fungal secondary metabolite scaffold.
Details
Citrinaline A is a complex fungal alkaloid isolated from Penicillium citrinum during optimized secondary metabolite production studies. Structurally, it belongs to a rare class of quinazolinone-containing indole alkaloids with a densely functionalized heterocyclic framework. Although its precise molecular target has not been elucidated, citrinaline A has been reported as a bioactive metabolite within enhanced production extracts. Its unique scaffold makes it valuable for chemical biology exploration and natural product-inspired medicinal chemistry.