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Pyrrolizidine is a heterocyclic organic compound. Formally, it is a saturated derivative of pyrrolizine . Pyrrolizidine forms the central chemical structure of a variety of alkaloids known collectively as pyrrolizidine alkaloids . [ 1 ]
Pyrrolizidine alkaloids (PAs), sometimes referred to as necine bases, are a group of naturally occurring alkaloids based on the structure of pyrrolizidine. Their use dates back centuries and is intertwined with the discovery, understanding, and eventual recognition of their toxicity on humans and animals.
Senecionine is a toxic pyrrolizidine alkaloid isolated from various botanical sources. It takes its name from the Senecio genus and is produced by many different plants in that genus, including Jacobaea vulgaris (Senecio jacobaea).
Pages in category "Pyrrolizidine alkaloids" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...
Riddelliine is a naturally occurring pyrrolizidine alkaloid, a class of compounds occurring in rangeland plants of the genera Crotalaria, Amsinckia, and Senecio. [5] It consists of a macrocyclic diester of retronecine (an unsaturated alcohol) and riddelliic acid (an oxygenated, branched, dicarboxylic acid). [5]
He struggled to stay in college and to kick the drug. He tried to detox at home with codeine-laced cough syrup. He made regular visits to a clinic on West Pico Boulevard where he was injected with a mysterious brown liquid that he was told could cure him. The infusions were nothing but a painful hoax.
Amabiline is a pyrrolizidine alkaloid first isolated in 1967 from Cynoglossum amabile. [1] It is also found in the seeds and flowers of borage (Borago officinalis) [2] and in borage seed oil. [3] [4] Chemically, it is the ester derived from viridifloric acid and supinidine. [5]
Pyrrolizidine alkaloids (12 P) Pages in category "Pyrrolizidines" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes