(13R)-epi-8,13-epoxylabd-14-ene

CHEBI:138224 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A tricyclic diterpenoid that is isolated from plants and fungi and exhibits anti-bacterial protperties. — 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:36770 CHEBI:36770
CHEBI:37407 CHEBI:37407
CHEBI:79084 CHEBI:79084

Chemical structure

Computed structure properties
Molecular formula	C20H34O
Charge	0
Average mass	290.491 Da
Monoisotopic mass	290.26097 Da
Source	ChEBI
InChIKey	IGGWKHQYMAJOHK-QVHQYWGISA-N

SMILES

[H][C@@]12CC[C@](C)(C=C)O[C@@]1(C)CC[C@]1([H])C(C)(C)CCC[C@@]21C

InChI

InChI=1S/C20H34O/c1-7-18(4)13-9-16-19(5)12-8-11-17(2,3)15(19)10-14-20(16,6)21-18/h7,15-16H,1,8-14H2,2-6H3/t15-,16+,18+,19-,20+/m1/s1

Also called

(3R,4aS,6aR,10aR,10bS)-3-ethenyl-3,4a,7,7,10a-pentamethyldodecahydro-1H-naphtho[2,1-b]pyran (EXACT_SYNONYM)— chebi
(-)-ent-13-epi-Manoyl oxide (EXACT_SYNONYM)— chebi
ent-13-epi-manoyl oxide (RELATED_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:27642-41-7
knapsack:C00043487
metacyc.compound:CPD-20258
reaxys:7269026

Activity roles

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

CHEBI:33282 CHEBI:33282

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:138224`	(13R)-epi-8,13-epoxylabd-14-ene	`antibioticmech:chebi-04cfd8e533`	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.