109010-61-9

Basic information

• Product Name: 1H-1-Benzazepine-1-acetic acid, 3-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]-2,3,4,5-tetrahydro-2- oxo-, 1,1-dimethylethyl ester, (3S)-
• CAS NO: 109010-61-9
• Molecular Formula: C28H36N2O5
• Molecular Weight: 480.604
• Mol File: 109010-61-9.mol
• Article Data: 5

Chemical Properties

• CAS DataBase Reference: 1H-1-Benzazepine-1-acetic acid, 3-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]-2,3,4,5-tetrahydro-2- oxo-, 1,1-dimethylethyl ester, (3S)-(CAS DataBase Reference)
• NIST Chemistry Reference: 1H-1-Benzazepine-1-acetic acid, 3-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]-2,3,4,5-tetrahydro-2- oxo-, 1,1-dimethylethyl ester, (3S)-(109010-61-9)
• EPA Substance Registry System: 1H-1-Benzazepine-1-acetic acid, 3-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]-2,3,4,5-tetrahydro-2- oxo-, 1,1-dimethylethyl ester, (3S)-(109010-61-9)

Safety Data

• Hazardous Substances Data: 109010-61-9(Hazardous Substances Data)

Upstream product

• 107-59-5 tert-Butyl chloroacetate 
• 367909-45-3 (2S,3'S)-2-(2'-oxo-2',3',4',5'-tetrahydro-1H-benzo[b]azepin-3'-ylamino)-4-phenylbutyric acid ethyl ester 
• 88767-98-0 ethyl (R)-4-phenyl-2-<<(trifluoromethyl)sulfonyl>oxy>butyrate 
• 943-73-7 D-homophenylalanine 
• 64-17-5 ethanol 
• 109010-59-5 (R)-2-<(4-nitrobenzolsulfonyl)oxy>-4-phenylbuttersaeure-ethylester 
• 109010-60-8 tert-butyl (3S)-3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetate 
• 90315-82-5 ethyl (R)-2-hydroxy-4-phenylbutyrate 
• 608148-63-6 4-nitrobenzenesulfonic acid (3R)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-yl ester 
• 656830-87-4 (R)-2,4-Dihydroxy-4-(2-nitro-phenyl)-butyric acid ethyl ester 
• 608148-58-9 (2R)-2-hydroxy-4-(2-nitrophenyl)-4-oxobutyric acid ethyl ester 
• 608148-60-3 (3R)-3-hydroxy-1,3,4,5-tetrahydrobenzo[b]azepin-2-one 
• 46460-23-5 ethyl 2-amino-4-phenyl-(2S)-butyrate 
• 178114-28-8 4-(2-nitrophenyl)-2,4-dioxobutanoic acid ethyl ester 

Downstream Products

• 86541-74-4 benazepril hydrochloride 

Relevant articles and documents

Synthesis method of benazepril intermediate and benazepril hydrochloride

The invention relates to a synthesis method of a benazepril intermediate and a benazepril hydrochloride. The synthesis method comprises: carrying out a reaction on 3-bromo-2,3,4,5-tetrahydro-1H-[1]-benzoazepine-2-keto-1-tert-butyl acetate and (S)-homophenylalanine, and carrying out dynamic kinetic resolution to obtain a benazepril intermediate; and carrying out an esterification reaction, and introducing hydrogen chloride gas to obtain a benazepril hydrochloride refined product. According to the invention, the benazepril hydrochloride is efficiently prepared by utilizing a dynamic kinetic resolution technology, so the steps are short, the operation is simple, the total yield is high, the atom economy is high, the environmental pollution is small, and the method is suitable for industrial production.

CRYSTALLINE POLYMORPHS OF BENAZEPRIL HYDROCHLORIDE

The present invention relates to a specific polymorph form of crystalline benazepril hydrochloride referred to as Form B, methods for producing this form of benazepril hydrochloride, compositions containing it, and methods for using it.

Asymmetric synthesis of ACE inhibitor-Benazepril HCl via a bioreductive reaction

An enantioselective synthesis of the potent angiotensin converting enzyme (ACE) inhibitor (2S, 3′S)-2-(1-carboxymethyl-2-oxo-2,3,4,5-tetrahydro-1H- benzo[b]azepin-3-ylamino)-4-phenylbutyric acid ethyl ester hydrochloride, Benazepril HCl 4, has been achieved through an asymmetric reduction of 4-(2-nitrophenyl)-2,4-dioxobutyric acid ethyl ester 6b employing baker's yeast as the reductive catalyst.