Leuco-fisetinidin

Leuco-fisetinidin is a flavan-3,4-diol (leucoanthocyanidin), a type of natural phenolic substance. It is the monomer of condensed tannins called profisetinidins. Those tannins can be extracted from the heartwood of Acacia mearnsii [1] or from the heartwoods of Schinopsis balansae, Schinopsis quebrachocolorado and from commercial quebracho extract.[2]

Leuco-fisetinidin

Names
IUPAC name (2R,3S,4R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,4,7-triol
Other names (−)-Leucofisetinidin (−)-7:3':4'-trihydroxyflavan-3:4-diol Fisetinidol-4alpha-ol
Identifiers
CAS Number	34620-73-0
3D model (JSmol)	Interactive image
ChemSpider	24842601
PubChem CID	164762
CompTox Dashboard (EPA)	DTXSID50914385 DTXSID40393165, DTXSID50914385
InChI InChI=1S/C15H14O6/c16-8-2-3-9-12(6-8)21-15(14(20)13(9)19)7-1-4-10(17)11(18)5-7/h1-6,13-20H/t13-,14+,15-/m1/s1 Key: OFZBQQUVMQGHDJ-QLFBSQMISA-N
SMILES OC2c3ccc(O)cc3OC(C2O)c(cc1O)ccc1O
Properties
Chemical formula	C15H14O6
Molar mass	290.27 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

See also

• Fisetinidin

References

1. Roux, D. G.; Paulus, E. (1962). "Condensed tannis. 12. Polymeric leucofisetinidin tannins from the heartwood of Acacia mearnsii". The Biochemical Journal. 82 (2): 320–324. doi:10.1042/bj0820320. PMC 1243455. PMID 14494576.
2. Roux, D. G.; Evelyn, S. R. (1958). "Condensed tannins. 2. Biogenesis of condensed tannins based on leucoanthocyanins". The Biochemical Journal. 70 (2): 344–349. doi:10.1042/bj0700344. PMC 1196676. PMID 16748787.