efavirenz

CHEBI:119486 ·resolve ·ANTIVIRAL ·EXACT SEEDED

1,4-Dihydro-2H-3,1-benzoxazin-2-one substituted at the 4 position by cyclopropylethynyl and trifluoromethyl groups (S configuration) and at the 6 position by chlorine. A non-nucleoside reverse transcriptase inhibitor with activity against HIV, it is used with other antiretrovirals for combination therapy of HIV infection. — 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:36683 CHEBI:36683
CHEBI:37143 CHEBI:37143
CHEBI:46969 CHEBI:46969
CHEBI:51454 CHEBI:51454
CHEBI:73474 CHEBI:73474

Chemical structure

Computed structure properties
Molecular formula	C14H9ClF3NO2
Charge	0
Average mass	315.678 Da
Monoisotopic mass	315.02739 Da
Source	ChEBI
InChIKey	XPOQHMRABVBWPR-ZDUSSCGKSA-N

SMILES

O=C1Nc2ccc(Cl)cc2[C@@](C#CC2CC2)(C(F)(F)F)O1

InChI

InChI=1S/C14H9ClF3NO2/c15-9-3-4-11-10(7-9)13(14(16,17)18,21-12(20)19-11)6-5-8-1-2-8/h3-4,7-8H,1-2H2,(H,19,20)/t13-/m0/s1

Also called

(4S)-6-chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one (EXACT_SYNONYM)— chebi
(-)-6-CHLORO-4-CYCLOPROPYLETHYNYL-4-TRIFLUOROMETHYL-1,4-DIHYDRO-2H-3,1-BENZOXAZIN-2-ONE (EXACT_SYNONYM)— chebi
(S)-6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one (EXACT_SYNONYM)— chebi
(S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-benzo[d][1,3]oxazin-2-one (EXACT_SYNONYM)— chebi
6-chloro-4-(2-cyclopropyl-1-ethynyl)-4-trifluoromethyl-(4S)-1,4-dihydro-2H-benzo[d][1,3]oxazin-2-one (EXACT_SYNONYM)— chebi
Efavirenz (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:154598-52-4
drugbank:DB00625
drugcentral:989
hmdb:HMDB0014763
kegg.compound:C08088
kegg.drug:D00896
lincs.smallmolecule:LSM-5526
patent:EP582455
patent:US5519021
pdb-ccd:EFZ
reaxys:7387333
wikipedia.en:Efavirenz

Activity roles

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

CHEBI:36044 CHEBI:36044
CHEBI:53756 CHEBI:53756

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:119486`	efavirenz	`antibioticmech:chebi-c25276bb12`	2026-08-30

Mechanism summary

Mode of action: VIRAL_POLYMERASE_INHIBITION microbial target — Assigned from ChEBI role CHEBI:53756 (HIV-1 reverse transcriptase inhibitor). ChEBI asserts the role on the compound. The role names a target specific to the microbe or virus — see mode_of_action_target_scope. Not a curator's mechanistic review.
Clinical status: APPROVED

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
RESEEDED_FROM_SOURCES 2026-08-31 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-31 · 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.