Herniarin
Herniarin is a natural chemical compound. Chemically, it can be considered a methoxy derivative of coumarin or a methyl In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula . In formulas, the group is often abbreviated as Me. This hydrocarbon group occurs in many ... derivative of umbelliferone. Herniarin is found in ''Herniaria glabra'', ''Ayapana triplinervis'' and in species of the genus ''Prunus'' (''Prunus mahaleb, P. mahaleb'', ''Prunus pensylvanica, P. pensylvanica'', and ''Prunus maximowiczii, P. maximowiczii''). References

O-methylated coumarins {{aromatic-stub ...
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Coumarin
Coumarin () or 2''H''-chromen-2-one is an aromatic organic chemical compound with formula . Its molecule can be described as a benzene molecule with two adjacent hydrogen atoms replaced by a lactone-like chain , forming a second six-membered heterocycle that shares two carbons with the benzene ring. It can be placed in the benzopyrone chemical class and considered as a lactone. Coumarin is a colorless crystalline solid with a sweet odor resembling the scent of vanilla and a bitter taste. It is found in many plants, where it may serve as a chemical defense against predators. By inhibiting synthesis of vitamin K, a related compound is used as the prescription drug warfarin – an anticoagulant – to inhibit formation of blood clots, deep vein thrombosis, and pulmonary embolism. Etymology Coumarin is derived from ''coumarou'', the French word for the tonka bean. The word ''tonka'' for the tonka bean is taken from the Galibi (Carib) tongue spoken by natives of French G ...
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