Gallocatechol

Gallocatechol
Names
Other names
(+)-Gallocatechin
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
KEGG
MeSH Gallocatechol
UNII
  • InChI=1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15+/m0/s1 ☒N
    Key: XMOCLSLCDHWDHP-SWLSCSKDSA-N ☒N
  • InChI=1/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15+/m0/s1
    Key: XMOCLSLCDHWDHP-SWLSCSKDBQ
  • C1[C@@H]([C@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)O
Properties
C15H14O7
Molar mass 306.270 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Gallocatechol or gallocatechin (GC) is a flavan-3-ol, a type of chemical compound including catechin, with the gallate residue being in an isomeric trans position.

This compound possesses two epimers. The most common, (+)-gallocatechin (GC), CAS number 970-73-0, is found notably in green tea. The other enantiomer is called (−)-gallocatechin or ent-gallocatechin. It was first isolated from green tea by Michiyo Tsujimura in 1934.[1]

Epigallocatechin is another type of catechin, with the gallate residue being in an isomeric cis position. It can be found in St John's wort.[2]

See also

References

  1. ^ "Michiyo Tsujimura (1888–1969)". Ochanomizu University. Archived from the original on 21 November 2015. Retrieved 10 November 2015.
  2. ^ Wei, Yun; Xie, Qianqian; Dong, Wanting; Ito, Yoichiro (2009). "Separation of epigallocatechin and flavonoids from Hypericum perforatum L. By high-speed counter-current chromatography and preparative high-performance liquid chromatography". Journal of Chromatography A. 1216 (19): 4313–4318. doi:10.1016/j.chroma.2008.12.056. PMC 2777726. PMID 19150073.
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