6,6'-bieckol

CHEBI:65496 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A phlorotanin that is 1,1'-bioxanthrene substituted by 3,5-dihydroxyphenoxy groups at position 6 and 6' and hydroxy groups at positions 2, 2', 4, 4', 7, 7', 9 and 9' respectively. It is isolated from an edible marine brown alga Ecklonia cava and exhibits antioxidant activity. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

Label unavailable CHEBI:35618
Label unavailable CHEBI:38104
Label unavailable CHEBI:71222

Chemical structure

Computed structure properties
Molecular formula	C36H22O18
Charge	0
Average mass	742.554 Da
Monoisotopic mass	742.08061 Da
Source	ChEBI
InChIKey	HBJNTPFHQKXWOY-UHFFFAOYSA-N

SMILES

Oc1cc(O)cc(Oc2c(O)cc(O)c3c2Oc2c(O)cc(O)c(-c4c(O)cc(O)c5c4Oc4c(O)cc(O)c(Oc6cc(O)cc(O)c6)c4O5)c2O3)c1

InChI

InChI=1S/C36H22O18/c37-11-1-12(38)4-15(3-11)49-29-21(45)9-23(47)31-35(29)53-27-19(43)7-17(41)25(33(27)51-31)26-18(42)8-20(44)28-34(26)52-32-24(48)10-22(46)30(36(32)54-28)50-16-5-13(39)2-14(40)6-16/h1-10,37-48H

Also called

6,6'-bis(3,5-dihydroxyphenoxy)-1,1'-bioxanthrene-2,2',4,4',7,7',9,9'-octol (EXACT_SYNONYM)— chebi
4-(3,5-dihydroxyphenoxy)-9-[6-(3,5-dihydroxyphenoxy)-2,4,7,9-tetrahydroxyoxanthren-1-yl]oxanthrene-1,3,6,8-tetrol (EXACT_SYNONYM)— chebi
6,6'-bis(3,5-dihydroxyphenoxy)-(1,1'-bidibenzo[b,e][1,4]dioxin)-2,2',4,4',7,7',9,9'-octol (EXACT_SYNONYM)— chebi

Cross-references

Identifiers for this same structure in other resources. An accession that lands on two different structures in this corpus is withheld from both rather than shown here, since it names at most one of them.

cas:88095-81-2
reaxys:5713463

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

anti-HIV-1 agent CHEBI:64947

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:65496`	6,6'-bieckol	`antibioticmech:chebi-3c3df3a882`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record (YAML).

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