Laricitrin

Laricitrin

Names
IUPAC name 3,3′,4′,5,7-Pentahydroxy-5′-methoxyflavone
Systematic IUPAC name 2-(3,4-Dihydroxy-5-methoxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one
Other names 3'-O-Methylmyricetin
Identifiers
CAS Number	53472-37-0 Y
3D model ( JSmol )	Interactive image
ChEBI	CHEBI:31763 N
ChemSpider	4445351 N
KEGG	C12633 N
PubChem CID	5282154
UNII	JQZ2DUC4C9 Y
CompTox Dashboard (EPA)	DTXSID40415210
InChI InChI=1S/C16H12O8/c1-23-11-3-6(2-9(19)13(11)20)16-15(22)14(21)12-8(18)4-7(17)5-10(12)24-16/h2-5,17-20,22H,1H3 N Key: CFYMYCCYMJIYAB-UHFFFAOYSA-N N InChI=1/C16H12O8/c1-23-11-3-6(2-9(19)13(11)20)16-15(22)14(21)12-8(18)4-7(17)5-10(12)24-16/h2-5,17-20,22H,1H3 Key: CFYMYCCYMJIYAB-UHFFFAOYAK
SMILES O=C1c3c(O/C(=C1/O)c2cc(O)c(O)c(OC)c2)cc(O)cc3O
Properties
Chemical formula	C16H12O8
Molar mass	332.264 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Laricitrin is an

Laricitrin is formed from myricetin by the action of the enzyme myricetin O-methyltransferase.^[4] It is further methylated by laricitrin 5'-O-methyltransferase into syringetin.

Glycosides

• Laricitrin 3-O-galactoside, found in grape^[1]
• Laricitrin 3-glucoside found in Larix sibirica^[5]
• Laricitrin 3,5’-di-O-β-glucopyranoside, found in Medicago littoralis^[6]

References