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CAS 103-63-9

(2-Bromoethyl)benzene(2-bromoethyl)benzene

Codes: Enalapril-023, FENT-002

Application context (from source-drug indications)

Cardiac and vascular disordersAtorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilHypertensionAtorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilHyperlipidaemiaAtorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilHeart diseaseAtorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilPainBupivacaine Hydrochloride/Fentanyl CitrateEssential hypertensionEnalapril Maleate/Folic AcidHeart failureEnalapril MaleateHypertensionEnalapril MaleateMyocardial infarctionEnalapril MaleateAngina pectorisEnalapril MaleateLeft ventricular dysfunctionEnalapril MaleateSolid tumourEnalapril MaleatePainFentanylDisease of prematurityFentanylPostoperative painFentanylCancer painFentanylSolid tumourFentanylSurgical painFentanyl

Source drugs (routes using this intermediate)

DrugTierExpiry
Atorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilTier C — Watch / trade-
Bupivacaine Hydrochloride/Fentanyl CitrateTier C — Watch / trade-
Enalapril Maleate/Folic AcidTier C — Watch / trade-
Enalapril MaleateTier C — Watch / trade-
FentanylTier C — Watch / trade-

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.

Atorvastatin/Hydrochlorothiazide/Aspirin/EnalaprilOptimised routesteps: 6total yield: 174mg(Enalapril-033)
(2-Bromoethyl)benzene→Bromido(2-phenylethyl)magnesium→Oxalic acid diethyl diester→2-Oxo-4-phenylbutyric acid ethyl ester→4,5-Ditritium-L-proline→L-Alanine→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanine→N-Hydroxysuccinimide→Ethyl 2-([(2S)-1-[(2,5-dioxopyrrolidin-1-yl)oxy]-1-oxopropan-2-yl]amino)-4-phenylbutanoate→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl-4,5-ditritium-L-proline→(2Z)-But-2-enedioic acid N-[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]-L-alanyl-4,5-ditritium-L-proline
Bupivacaine Hydrochloride/Fentanyl CitrateOptimised routesteps: 3total yield: 1.53 g (Fentanyl)
piperidin-4-one hydrochloride hydrate→(2-bromoethyl)benzene→1-phenethylpiperidin-4-one→aniline→1-phenethyl-N-phenylpiperidin-4-amine→(8R,9S,10R,13S,14S,17R)-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl pentanoate
Enalapril Maleate/Folic AcidOptimised routesteps: 6total yield: 174mg(Enalapril-033)
(2-Bromoethyl)benzene→Bromido(2-phenylethyl)magnesium→Oxalic acid diethyl diester→2-Oxo-4-phenylbutyric acid ethyl ester→4,5-Ditritium-L-proline→L-Alanine→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanine→N-Hydroxysuccinimide→Ethyl 2-([(2S)-1-[(2,5-dioxopyrrolidin-1-yl)oxy]-1-oxopropan-2-yl]amino)-4-phenylbutanoate→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl-4,5-ditritium-L-proline→(2Z)-But-2-enedioic acid N-[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]-L-alanyl-4,5-ditritium-L-proline
Enalapril MaleateOptimised routesteps: 6total yield: 174mg(Enalapril-033)
(2-Bromoethyl)benzene→Bromido(2-phenylethyl)magnesium→Oxalic acid diethyl diester→2-Oxo-4-phenylbutyric acid ethyl ester→4,5-Ditritium-L-proline→L-Alanine→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanine→N-Hydroxysuccinimide→Ethyl 2-([(2S)-1-[(2,5-dioxopyrrolidin-1-yl)oxy]-1-oxopropan-2-yl]amino)-4-phenylbutanoate→N-(1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl-4,5-ditritium-L-proline→(2Z)-But-2-enedioic acid N-[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]-L-alanyl-4,5-ditritium-L-proline
FentanylOptimised routesteps: 3total yield: 1.53 g (Fentanyl)
piperidin-4-one hydrochloride hydrate→(2-bromoethyl)benzene→1-phenethylpiperidin-4-one→aniline→1-phenethyl-N-phenylpiperidin-4-amine→(8R,9S,10R,13S,14S,17R)-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl pentanoate

Intermediates available on this site

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This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.