Isocoumarin (1''H''-2-benzopyran-1-one; 3,4-benzo-2-pyrone) is a
lactone
Lactones are cyclic carboxylic esters, containing a 1-oxacycloalkan-2-one structure (), or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.
Lactones are formed by intramolecular esterification of the co ...
, a type of natural organic compound.
Known natural compounds
*
Thunberginol A
Thunberginol A is an isocoumarin found in ''Hydrangea macrophylla
''Hydrangea macrophylla'' is a species of flowering plant in the family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth ...
and
B
; dihydroisocoumarins
*
Hydrangenol
Hydrangenol is a dihydroisocoumarin. It can be found in ''Hydrangea macrophylla
''Hydrangea macrophylla'' is a species of flowering plant in the family
Family (from la, familia) is a group of people related either by consanguinity (by r ...
*
Phyllodulcin
Phyllodulcin is a dihydroisocoumarin found in ''Hydrangea macrophylla'' and ''Hydrangea serrata''.Accumulation of phyllodulcin in sweet-leaf plants of Hydrangea serrata and its neutrality in the defence against a specialist leafmining herbivore. M ...
*
Thunberginol C
Thunberginol C is a dihydroisocoumarin found in ''Hydrangeae Dulcis Folium'', the processed leaves of ''Hydrangea macrophylla
''Hydrangea macrophylla'' is a species of flowering plant in the family
Family (from la, familia) is a group o ...
,
D,
E and
G
* The
derivative
In mathematics, the derivative of a function of a real variable measures the sensitivity to change of the function value (output value) with respect to a change in its argument (input value). Derivatives are a fundamental tool of calculus. F ...
3-acetyl-3,4-dihydro-5,6-dimethoxy-1''H''-2-benzopyran-1-one can be found in
Huáng bǎi
Huáng bǎi ( 黃 栢 ''or'' 黃 栢, literally "yellow fir"), huáng bó ( 黃 柏) or huáng bò ( 黃 檗) is one of the fifty fundamental herbs of traditional Chinese medicine. Known also as Cortex Phellodendri, it is the bark of one of two ...
(''
Phellodendron chinense
''Phellodendron chinense'' is a plant species in the genus ''Phellodendron''.
The isocoumarin derivative 3-acetyl-3,4-dihydro-5,6-dimethoxy-1''H''-2-benzopyran-1-one can be found in Huáng bǎi (''P. chinense''), one of the fifty fundamental her ...
''), one of the fifty fundamental herbs of traditional Chinese medicine.
See also
*
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 h ...
References
{{heterocyclic-stub