Pyrrolizidine Alkaloids - ț̢
A group of ALKALOIDS, characterized by a nitrogen-containing necine, occurring mainly in plants of the BORAGINACEAE; COMPOSITAE; and LEGUMINOSAE plant families. They can be activated in the liver by hydrolysis of the ester and desaturation of the necine base to reactive electrophilic pyrrolic CYTOTOXINS.
Pyrrolnitrin - ț̢
3-Chloro-4-(3-chloro-2-nitrophenyl)pyrrole. Antifungal antibiotic isolated from Pseudomonas pyrrocinia. It is effective mainly against Trichophyton, Microsporium, Epidermophyton, and Penicillium.
Synonyms :
Pyrroloiminoquinones - ț̢
Derivatives of QUINOLINES with fused PYRROLES and a keto group or INDOLEQUINONES with fused PIPERIDINES.