phomoxanthone A

CHEBI:66749 ·resolve ·ANTIMYCOBACTERIAL ·EXACT SEEDED

A member of the class of xanthones that is a dimer isolated from Phomopsis. It exhibits cytotoxic, antimalarial and antitubercular activities. — 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:33853 CHEBI:33853
CHEBI:47622 CHEBI:47622
CHEBI:51149 CHEBI:51149
CHEBI:64459 CHEBI:64459

Chemical structure

Computed structure properties
Molecular formula	C38H38O16
Charge	0
Average mass	750.706 Da
Monoisotopic mass	750.21599 Da
Source	ChEBI
InChIKey	OHHXJWHRQGZQJM-ACMZUNAXSA-N

SMILES

CC(=O)OC[C@]12Oc3c(-c4ccc(O)c5c4O[C@@]4(COC(C)=O)C(=C(O)C[C@@H](C)[C@H]4OC(C)=O)C5=O)ccc(O)c3C(=O)C1=C(O)C[C@@H](C)[C@H]2OC(C)=O

InChI

InChI=1S/C38H38O16/c1-15-11-25(45)29-31(47)27-23(43)9-7-21(33(27)53-37(29,13-49-17(3)39)35(15)51-19(5)41)22-8-10-24(44)28-32(48)30-26(46)12-16(2)36(52-20(6)42)38(30,54-34(22)28)14-50-18(4)40/h7-10,15-16,35-36,43-46H,11-14H2,1-6H3/t15-,16-,35-,36-,37+,38+/m1/s1

Also called

(5R*,5'R*,6R*,6'R*,10aR*,10a'R*)-10a,10a'-bis[(acetyloxy)methyl]-1,1',8,8'-tetrahydroxy-6,6'-dimethyl-9,9'-dioxo-5,5',7,7',9,9',10a,10a'-octahydro-6H,6'H-4,4'-bixanthene-5,5'-diyl diacetate (EXACT_SYNONYM)— chebi
rel-[(5R,5'R,6R,6'R,10aR,10a'R)-5,5'-diacetoxy-1,1',8,8'-tetrahydroxy-6,6'-dimethyl-9,9'-dioxo-5,5',6,6',7,7',9,9'-octahydro-10aH,10a'H-4,4'-bixanthene-10a,10a'-diyl]bis(methylene) diacetate (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:8966562

Activity roles

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

CHEBI:33231 CHEBI:33231
CHEBI:38068 CHEBI:38068

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:66749`	phomoxanthone A	`antibioticmech:chebi-6711d8710c`	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.