Theasinensin E

Theasinensin E is polyphenol flavonoid found in oolong tea. It's an atropisomer of theasinensin C.

Theasinensin E

Identifiers
CAS Number	116348-81-3
3D model (JSmol)	Interactive image
InChI InChI=1S/C30H26O14/c31-9-1-15(33)11-5-19(37)29(43-21(11)3-9)13-7-17(35)25(39)27(41)23(13)24-14(8-18(36)26(40)28(24)42)30-20(38)6-12-16(34)2-10(32)4-22(12)44-30/h1-4,7-8,19-20,29-42H,5-6H2/t19-,20-,29-,30-/m1/s1 Key: JPBGHWKYWUEIOT-XYTTVBAYSA-N
SMILES C1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3C4=C(C(=C(C=C4C5C(CC6=C(C=C(C=C6O5)O)O)O)O)O)O)O)O)O)O
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

References

• Hashimoto, Fumio; Nonaka, Gen-Ichiro; Nishioka, Itsuo (1988-05-25). "Tannins and Related Compounds. LXIX. : Isolation and Structure Elucidation of B, B'-Linked Bisflavanoids, Theasinensins D-G and Oolongtheanin from Oolong Tea. (2)". Chemical and Pharmaceutical Bulletin. 36 (5): 1676–1684. doi:10.1248/cpb.36.1676. Retrieved 2018-11-26.
• John Buckingham; V. Ranjit N. Munasinghe (26 November 2018). Dictionary of Flavonoids with CD-ROM. CRC Press. p. 892. ISBN 978-1-4822-8250-4.