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CAS 39637-74-6
(1S)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl chloride
Codes: EFAV-008
Application context (from source-drug indications)
HIV infectionEfavirenz/Lamivudine/Tenofovir Disoproxil FumarateHIV infectionEfavirenzCreutzfeldt-Jakob diseaseEfavirenzAlzheimer's diseaseEfavirenzPancreatic cancerEfavirenzProstate cancerEfavirenzNon-Hodgkin lymphomaEfavirenz
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Efavirenz/Lamivudine/Tenofovir Disoproxil Fumarate | Tier C — Watch / trade | - |
| Efavirenz | Tier B — Position early | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
4-chloroaniline→pivaloyl chloride→N-(4-chlorophenyl)pivalamide→1-(2-amino-5-chlorophenyl)-2,2,2-trifluoroethanone→ethynylcyclopropane→2-(2-amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol→6-chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one→(1S)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl chloride→(4S)-6-chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1-((4S)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl)-1H-benzo[d][1,3]oxazin-2(4H)-one
4-chloroaniline→pivaloyl chloride→N-(4-chlorophenyl)pivalamide→1-(2-amino-5-chlorophenyl)-2,2,2-trifluoroethanone→ethynylcyclopropane→2-(2-amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol→6-chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one→(1S)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl chloride→(4S)-6-chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1-((4S)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl)-1H-benzo[d][1,3]oxazin-2(4H)-one
Intermediates available on this site
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