longirostrerone A

CHEBI:68980 ·resolve ·ANTIPROTOZOAL ·EXACT SEEDED

An azaphilone that is 9,9a-dihydro-6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a 4-hydroxy-2-methyl-6-oxocyclohexyl group at position 3, a methyl group at position 6a and a 4,6,8-trimethyldeca-2,4-dienoyl group at position 9. Isolated from Chaetomium longirostre, it exhibits cytotoxic and antimalarial 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:26979 CHEBI:26979
CHEBI:37581 CHEBI:37581
CHEBI:50941 CHEBI:50941

Chemical structure

Computed structure properties
Molecular formula	C32H40O7
Charge	0
Average mass	536.665 Da
Monoisotopic mass	536.2774 Da
Source	ChEBI
InChIKey	IAPUSMZQQSXGDI-QXHNIIHBSA-N

SMILES

[H][C@@]12C3=COC([C@H]4C(=O)C[C@H](O)C[C@@H]4C)=CC3=CC(=O)[C@]1(C)OC(=O)[C@@H]2C(=O)/C=C/C(C)=C/C(C)CC(C)CC

InChI

InChI=1S/C32H40O7/c1-7-17(2)10-19(4)11-18(3)8-9-24(34)29-30-23-16-38-26(28-20(5)12-22(33)15-25(28)35)13-21(23)14-27(36)32(30,6)39-31(29)37/h8-9,11,13-14,16-17,19-20,22,28-30,33H,7,10,12,15H2,1-6H3/b9-8+,18-11+/t17?,19?,20-,22+,28+,29+,30-,32-/m0/s1

Also called

(6aR,9S,9aR)-3-[(1S,2S,4R)-4-hydroxy-2-methyl-6-oxocyclohexyl]-6a-methyl-9-[(2E,4E)-4,6,8-trimethyldeca-2,4-dienoyl]-9,9a-dihydro-6H-furo[2,3-h]isochromene-6,8(6aH)-dione (EXACT_SYNONYM)— chebi
3-(4-hydroxy-6-methyl-2-oxocyclohexyl)-18-(4,6,8-trimethyldeca-2,4-dienoyl)-(7R)-7-methyl-8,18-dihydro-7H-furo[2,3-h]isochromene-6,17-dione (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:22123575

Activity roles

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

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:68980`	longirostrerone A	`antibioticmech:chebi-784edd1443`	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.