blancoxanthone

CHEBI:65511 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by hydroxy groups at positions 5 and 10, geminal methyl groups at position 2 and a 2-methylbut-3-en-2-yl group at position 12. It is isolated from the roots of Calophyllum blancoi and exhibits antiviral activity against coronavirus. — 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.

CHEBI:26195 CHEBI:26195
CHEBI:71238 CHEBI:71238

Chemical structure

Computed structure properties
Molecular formula	C23H22O5
Charge	0
Average mass	378.424 Da
Monoisotopic mass	378.14672 Da
Source	ChEBI
InChIKey	VCRGQEOJJJBBNZ-UHFFFAOYSA-N

SMILES

C=CC(C)(C)c1c2c(c(O)c3c(=O)c4cccc(O)c4oc13)C=CC(C)(C)O2

InChI

InChI=1S/C23H22O5/c1-6-22(2,3)16-20-13(10-11-23(4,5)28-20)18(26)15-17(25)12-8-7-9-14(24)19(12)27-21(15)16/h6-11,24,26H,1H2,2-5H3

Also called

5,10-dihydroxy-2,2-dimethyl-12-(2-methylbut-3-en-2-yl)-2H,6H-pyrano[3,2-b]xanthen-6-one (EXACT_SYNONYM)— chebi
inoxanthone (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:6826493

Activity roles

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

CHEBI:22587 CHEBI:22587

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:65511`	blancoxanthone	`antibioticmech:chebi-315ea5476f`	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.