12-methyl-5-dehydrohorminone

CHEBI:66364 ·resolve ·ANTIMYCOBACTERIAL ·EXACT SEEDED

An abietane diterpenoid that is 5-dehydrohorminone in which the hydroxy group at position 12 is replaced by a methoxy group. Isolated from the roots of Salvia multicaulis, it exhibits antitubercular 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:25830
Label unavailable CHEBI:35681
Label unavailable CHEBI:36762
Label unavailable CHEBI:47985

Chemical structure

Computed structure properties
Molecular formula	C21H28O4
Charge	0
Average mass	344.451 Da
Monoisotopic mass	344.19876 Da
Source	ChEBI
InChIKey	RUONQJYGQKYSSL-GTJPDFRWSA-N

SMILES

COC1=C(C(C)C)C(=O)C2=C(C1=O)[C@@]1(C)CCCC(C)(C)C1=C[C@H]2O

InChI

InChI=1S/C21H28O4/c1-11(2)14-17(23)15-12(22)10-13-20(3,4)8-7-9-21(13,5)16(15)18(24)19(14)25-6/h10-12,22H,7-9H2,1-6H3/t12-,21+/m1/s1

Also called

(7α)-7-hydroxy-12-methoxyabieta-5,8,12-triene-11,14-dione (EXACT_SYNONYM)— chebi
(4bS,10R)-10-hydroxy-3-methoxy-4b,8,8-trimethyl-2-propan-2-yl-5,6,7,10-tetrahydrophenanthrene-1,4-dione (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.

reaxys:7885990

Activity roles

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

antitubercular agent CHEBI:33231

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:66364`	12-methyl-5-dehydrohorminone	`antibioticmech:chebi-6d91d4d2fc`	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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