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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one CAS:2898-08-0

Cas:2898-08-0

Min.Order:1 Kilogram

FOB Price: $30.0 / 40.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

5-Phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

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GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

5-Phenyl-1,3-Dihydro-Benzo[E][1,4]Diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

5-Phenyl-1,3-dihydrobenzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-oneAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals T

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one CAS No.2898-08-0

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

1,3-DIHYDRO-5-PHENYL-1,4-BENZODIAZEPIN-2-ONECASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

1,3-DIHYDRO-5-PHENYL-1,4-BENZODIAZEPIN-2-ONECAS

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

5-Phenyl-1,3-dihydrobenzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

5-(1-cyclohex-2-enyl)-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei youze Biotechnology Co.,Ltd

Our Advantage 1.Best quality with competitive price. 2.Quick shipping,delivery on time. 3.We have a pharmaceutical raw material production plant and a reagent R&D center. 4.Support multiple trading methods and payment.We support wire transfer

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one CAS 2898-08-0 5-(Phenyl)-1H-1,4-benzodiazepin-2(3H)-one

Cas:2898-08-0

Min.Order:1 Kilogram

FOB Price: $6.8 / 8.6

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one CAS NO.2898-08-0

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

5-Phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Capot Chemical Co., Ltd.

At Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App

5-Phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

coolpharm Ltd

Cool Pharm Ltd, found in 8901,is a high-tech enterprise which provides customer synthesis service for domestic and international pharmaceutical companies according to international standards. Our business includes research , development, process opti

5-Phenyl-1,3-dihydrobenzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Other

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one, CAS:2898-08-0 with the most competitive

1,3-Dihydro-5-phenyl-1,4-benzodiazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Run-Biotech Co., Ltd.

Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

5-Phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GZ HONESTCHEM CO., LTD

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

5-Phenyl-1,3-dihydrobenzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Jinan Great Chemical Co.,Ltd.

Application:Pharmaceutical intermediates

5-Phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Cas:2898-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

N-(2-benzoylphenyl)-2-chloroacetamide
23207-75-2

N-(2-benzoylphenyl)-2-chloroacetamide

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With hexamethylenetetramine; ammonium acetate In ethanol for 6h; Reflux;95%
With hexamethylenetetramine In ethanol; chloroform86%
With paraformaldehyde In methanol; toluene84.7%
With hexamethylenetetramine; ammonium chloride In ethanol for 4h; Reflux;50%
Multi-step reaction with 2 steps
1: sodium azide / N,N-dimethyl-formamide / 18 h / 20 °C / Inert atmosphere
2: diphenylsilane; 9-phenyl-9-phosphafluorene / 1,4-dioxane / 16 h / 101 °C / Inert atmosphere
View Scheme
2'-benzoyl-2-bromo-acetanilide
14439-71-5

2'-benzoyl-2-bromo-acetanilide

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With ammonia In methanol Heating;90%
With ammonia In methanol for 2h; Heating; Yield given;
With ammonium hydroxide In ethanol Yield given;
N-(2-benzoylphenyl)-2-chloroacetamide
23207-75-2

N-(2-benzoylphenyl)-2-chloroacetamide

A

3-amino-1,2-dihydro-2-oxo-4-phenylquinoline
23207-85-4

3-amino-1,2-dihydro-2-oxo-4-phenylquinoline

B

3-(2-Benzoyl-phenyl)-imidazolidin-4-one

3-(2-Benzoyl-phenyl)-imidazolidin-4-one

C

C33H28N4O4

C33H28N4O4

D

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With hexamethylenetetramine; ammonia In ethanol at 70℃; Further byproducts given;A n/a
B n/a
C n/a
D 89%
1,3-oxazolidine-2,5-dione
2185-00-4

1,3-oxazolidine-2,5-dione

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Stage #1: 1,3-oxazolidine-2,5-dione; (2-aminophenyl)(phenyl)methanone With trifluoroacetic acid In toluene at 60℃; for 0.5h; Sealed tube;
Stage #2: With triethylamine at 80℃; for 0.5h; Sealed tube;
89%
2-azido-N-(2-benzoylphenyl)acetamide

2-azido-N-(2-benzoylphenyl)acetamide

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With 9-phenyl-9-phosphafluorene; diphenylsilane In 1,4-dioxane at 101℃; for 16h; Inert atmosphere;88%
chloroacetyl chloride
79-04-9

chloroacetyl chloride

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Stage #1: chloroacetyl chloride; (2-aminophenyl)(phenyl)methanone With triethylamine In dichloromethane at 20 - 30℃; for 3h;
Stage #2: With ammonia at 25℃;
84.4%
With sodium iodide; ammonia; acetic acid In tetrahydrofuran; chloroform; ethyl acetate
2-Bromoacetyl bromide
598-21-0

2-Bromoacetyl bromide

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Stage #1: 2-Bromoacetyl bromide; (2-aminophenyl)(phenyl)methanone With sodium hydrogencarbonate In chloroform at 0℃;
Stage #2: With ammonia In methanol at 0 - 20℃; Heating / reflux;
83%
Stage #1: 2-Bromoacetyl bromide; (2-aminophenyl)(phenyl)methanone In dichloromethane; water
Stage #2: With ammonia
With sodium hydroxide In dichloromethane
BOC-glycine
4530-20-5

BOC-glycine

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Stage #1: BOC-glycine; (2-aminophenyl)(phenyl)methanone With dicyclohexyl-carbodiimide In toluene at 150℃; for 0.5h; Microwave irradiation;
Stage #2: With trifluoroacetic acid In toluene at 150℃; for 0.333333h; Microwave irradiation;
83%
Stage #1: BOC-glycine; (2-aminophenyl)(phenyl)methanone With dicyclohexyl-carbodiimide In toluene at 150℃; for 1.5h; Microwave irradiation;
Stage #2: With trifluoroacetic acid In toluene for 0.333333h;
65%
Stage #1: BOC-glycine With 4-methyl-morpholine; chloroformic acid ethyl ester In tetrahydrofuran at -20℃; for 0.25h;
Stage #2: (2-aminophenyl)(phenyl)methanone With 4-methyl-morpholine In tetrahydrofuran at 20℃;
Stage #3: With trifluoroacetic acid In dichloromethane at 0 - 20℃;
(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
53%
Multi-step reaction with 2 steps
1: NaHCO3 / CH2Cl2
2: 90 percent / NH3 / methanol / Heating
View Scheme
Multi-step reaction with 2 steps
1: CH2Cl2
2: aq. NH3 / ethanol
View Scheme
glycine ethyl ester hydrochloride
623-33-6

glycine ethyl ester hydrochloride

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
In pyridine for 3h; Dean-Stark; Molecular sieve; Reflux;52.5%
With pyridine at 100℃;34%
hexamethylenetetramine
100-97-0

hexamethylenetetramine

N-(2-benzoylphenyl)-2-chloroacetamide
23207-75-2

N-(2-benzoylphenyl)-2-chloroacetamide

A

3-(2-Benzoyl-phenyl)-imidazolidin-4-one

3-(2-Benzoyl-phenyl)-imidazolidin-4-one

B

C33H28N4O4

C33H28N4O4

C

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With urotropin hydrochloride In methanol; water Heating;A n/a
B n/a
C 40%
methoxycarbonylmethylamine
616-34-2

methoxycarbonylmethylamine

(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With pyridine Cyclocondensation;
(2-aminophenyl)(phenyl)methanone
2835-77-0

(2-aminophenyl)(phenyl)methanone

Amino-acetic acid 4'-(2-amino-acetoxymethyl)-[2,2']bipyridinyl-4-ylmethyl ester; compound with trifluoro-acetic acid

Amino-acetic acid 4'-(2-amino-acetoxymethyl)-[2,2']bipyridinyl-4-ylmethyl ester; compound with trifluoro-acetic acid

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
In pyridine Heating;
benzonitrile
100-47-0

benzonitrile

Cp2Zr(isoprene) (1)

Cp2Zr(isoprene) (1)

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: BCl3; AlCl3 / 1,2-dichloro-ethane
2: pyridine
View Scheme
aniline
62-53-3

aniline

Wang resin-bound styrene 4

Wang resin-bound styrene 4

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: BCl3; AlCl3 / 1,2-dichloro-ethane
2: pyridine
View Scheme
C28H37N4O5Pol

C28H37N4O5Pol

A

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

B

1-methyl-2,3-dihydro-2-oxo-5-phenyl-1,4-benzodiazepine
3034-65-9

1-methyl-2,3-dihydro-2-oxo-5-phenyl-1,4-benzodiazepine

Conditions
ConditionsYield
With water; trifluoroacetic acid In water for 24h; Reflux; solid phase reaction;
tert-butyl-N-({[2-benzoylphenyl]carbamoyl}methyl)carbamate

tert-butyl-N-({[2-benzoylphenyl]carbamoyl}methyl)carbamate

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: trifluoroacetic acid / dichloromethane / 2.5 h / 20 °C
2: ammonium acetate; acetic acid / 20 °C
View Scheme
2-Glycylamino-benzophenon
5504-78-9

2-Glycylamino-benzophenon

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With ammonium acetate; acetic acid at 20℃;2.32 g
C16H15N3O3

C16H15N3O3

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With acetic acid In dichloromethane for 12h; Reflux;
aniline
62-53-3

aniline

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine / benzene / 4 h / Reflux
2: aluminum (III) chloride / benzene / 10 h / Reflux
3: ammonium chloride; hexamethylenetetramine / ethanol / 4 h / Reflux
View Scheme
N-chloroacetyl-aniline
587-65-5

N-chloroacetyl-aniline

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aluminum (III) chloride / benzene / 10 h / Reflux
2: ammonium chloride; hexamethylenetetramine / ethanol / 4 h / Reflux
View Scheme
2-chlorophenacyl bromide
5000-66-8

2-chlorophenacyl bromide

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-[2-(2-Chloro-phenyl)-2-oxo-ethyl]-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one
145084-65-7

1-[2-(2-Chloro-phenyl)-2-oxo-ethyl]-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 In toluene for 6h; Ambient temperature;100%
bromomethyl 2-methoxyphenyl ketone
31949-21-0

bromomethyl 2-methoxyphenyl ketone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-[2-(2-Methoxy-phenyl)-2-oxo-ethyl]-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one
145084-53-3

1-[2-(2-Methoxy-phenyl)-2-oxo-ethyl]-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 In toluene for 6h; Ambient temperature;100%
2-chloro-6 fluorobenzyl chloride
55117-15-2

2-chloro-6 fluorobenzyl chloride

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-(2-chloro-6-fluoro-benzyl)-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one
713518-29-7

1-(2-chloro-6-fluoro-benzyl)-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃;100%
bromoacetic acid tert-butyl ester
5292-43-3

bromoacetic acid tert-butyl ester

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

tert-butyl 2-(2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e] [1,4] diazepin-1-yl)acetate
149620-85-9

tert-butyl 2-(2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e] [1,4] diazepin-1-yl)acetate

Conditions
ConditionsYield
With 1-methyl-pyrrolidin-2-one; caesium carbonate at 20℃;98%
bromoethyl acetate
927-68-4

bromoethyl acetate

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

acetic acid 2-(2-oxo-5-phenyl-2,3-dihydrobenzo[e][1,4]diazepin-1-yl)ethyl ester
159586-66-0

acetic acid 2-(2-oxo-5-phenyl-2,3-dihydrobenzo[e][1,4]diazepin-1-yl)ethyl ester

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 20℃;
Stage #2: bromoethyl acetate In N,N-dimethyl-formamide at 20℃; for 2h;
97%
p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

2,3-dihydro-1-[4-methoxybenzyl]-2-oxo-5-phenyl-1H-1,4-benzodiazepine
174698-35-2

2,3-dihydro-1-[4-methoxybenzyl]-2-oxo-5-phenyl-1H-1,4-benzodiazepine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h;95%
With potassium carbonate In water; ethyl acetate; N,N-dimethyl-formamide
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.333333h;
Stage #2: p-methoxybenzyl chloride In N,N-dimethyl-formamide; mineral oil at 0℃; for 3.5h;
1.262 g
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.333333h;
Stage #2: p-methoxybenzyl chloride In N,N-dimethyl-formamide; mineral oil at 20℃; for 3.5h;
1.262 g
1-(2-aminoethyl)piperidine
27578-60-5

1-(2-aminoethyl)piperidine

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

2-(2-piperidin-1-ylethylamino)-5-phenyl-3H-1,4-benzodiazepine

2-(2-piperidin-1-ylethylamino)-5-phenyl-3H-1,4-benzodiazepine

Conditions
ConditionsYield
With titanium tetrachloride; methoxybenzene In dichloromethane at 100℃; for 0.0833333h; microwave irradiation;95%
2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

2,4,6-trifluorobenzyl chloride

2,4,6-trifluorobenzyl chloride

5-phenyl-1-(2,4,6-trifluoro-benzyl)-1,3-dihydro-benzo[e][1,4]diazepin-2-one
713518-32-2

5-phenyl-1-(2,4,6-trifluoro-benzyl)-1,3-dihydro-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃;94%
methylene chloride
74-87-3

methylene chloride

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-methyl-2,3-dihydro-2-oxo-5-phenyl-1,4-benzodiazepine
3034-65-9

1-methyl-2,3-dihydro-2-oxo-5-phenyl-1,4-benzodiazepine

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 In toluene at 20 - 25℃; for 4h;93%
1-methyl-piperazine
109-01-3

1-methyl-piperazine

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

2-(4-methylpiperazin-1-yl)-5-phenyl-3H-1,4-benzodiazepine

2-(4-methylpiperazin-1-yl)-5-phenyl-3H-1,4-benzodiazepine

Conditions
ConditionsYield
With titanium tetrachloride; methoxybenzene In dichloromethane at 100℃; for 1h;93%
(2-chloroethyl)dimethylamine hydrochloride
4584-46-7

(2-chloroethyl)dimethylamine hydrochloride

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

2,3-dihydro-1-(2-dimethylaminoethyl)-5-phenyl-1H-1,4-benzodiazepin-2-one

2,3-dihydro-1-(2-dimethylaminoethyl)-5-phenyl-1H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With potassium iodide In hexane; water; N,N-dimethyl-formamide; mineral oil93%
With potassium iodide In hexane; water; N,N-dimethyl-formamide; mineral oil93%
With potassium iodide In hexane; water; N,N-dimethyl-formamide; mineral oil93%
α-bromoacetophenone
70-11-1

α-bromoacetophenone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1,3-dihydro-1-phenacyl-5-phenyl-2H-1,4-benzodiazepin-2-one
145084-40-8

1,3-dihydro-1-phenacyl-5-phenyl-2H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 In toluene for 6h; Ambient temperature;90%
2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

7-bromo-5-phenyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one
2894-61-3

7-bromo-5-phenyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
With sulfuric acid; bromine In acetic acid at 20℃; for 48h;90%
With sulfuric acid; bromine In acetic acid65.9%
1-bromo-4-butene
5162-44-7

1-bromo-4-butene

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-(but-3-en-1-yl)-5-phenyl-1H-benzo[e][1,4]diazepin-2-one
328917-83-5

1-(but-3-en-1-yl)-5-phenyl-1H-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere;
Stage #2: 1-bromo-4-butene In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
89%
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere;
Stage #2: 1-bromo-4-butene In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
ethyl bromoacetate
105-36-2

ethyl bromoacetate

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

(2-oxo-5-phenyl-2,3-dihydrobenzo[e][1,4]diazepin-1-yl)acetic acid ethyl ester
497873-44-6

(2-oxo-5-phenyl-2,3-dihydrobenzo[e][1,4]diazepin-1-yl)acetic acid ethyl ester

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 20℃; for 1h;
88%
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere;
Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
64%
2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

nitrazepam
146-22-5

nitrazepam

Conditions
ConditionsYield
With 3-(ethoxycarbonyl)-1-(5-methyl-5-(nitrosooxy)hexyl)pyridin-1-ium bis(trifluoromethanesulfonyl)imide at 20℃; for 5h; Ionic liquid;88%
methyl 2-(((tert-butoxycarbonyl)oxy)methyl)acrylate
1242071-55-1

methyl 2-(((tert-butoxycarbonyl)oxy)methyl)acrylate

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

methyl 2-[2-(2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-5-yl)benzyl]acrylate

methyl 2-[2-(2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-5-yl)benzyl]acrylate

Conditions
ConditionsYield
With bromopentacarbonylmanganese(I); sodium acetate In 1,4-dioxane at 80℃; for 16h; Inert atmosphere; Schlenk technique;85%
N,N,N-(ferrocenylmethyl)trimethylammonium iodide

N,N,N-(ferrocenylmethyl)trimethylammonium iodide

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1,3-dihydro-1-ferrocenylmethyl-5-phenyl-2H-1,4-benzodiazepin-2-one
1350644-53-9

1,3-dihydro-1-ferrocenylmethyl-5-phenyl-2H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With potassium tert-butoxide In N,N-dimethyl-formamide under N2; t-BuOK added to soln. of benzodiazepine in freshly distd. DMF at 0°C; stirred at 0°C for 30 min; Fe complex in DMF addedat 20°C; heated at 150°C for 4 h; aq. HCl added until neutralization; extd. by CH2Cl2; org. layers dried (MgSO4); evapd.; purified by column chromy. (ethyl acetate-petroleum ether 5:5); elem. anal.;84%
[(4-nitrophenyl)(phenyl)iodonium trifluoromethanesulfonate]
905718-45-8

[(4-nitrophenyl)(phenyl)iodonium trifluoromethanesulfonate]

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-(4-nitrophenyl)-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one

1-(4-nitrophenyl)-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With ammonium hydroxide In 1,2-dichloro-ethane at 20℃; for 0.5h; Solvent; Reagent/catalyst; Inert atmosphere;82%
bromopentene
1119-51-3

bromopentene

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1-(pent-4-en-1-yl)-5-phenyl-1H-benzo[e][1,4]diazepin-2-one
328917-81-3

1-(pent-4-en-1-yl)-5-phenyl-1H-benzo[e][1,4]diazepin-2-one

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere;
Stage #2: bromopentene In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
81%
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere;
Stage #2: bromopentene In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

7-chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-thione
4547-02-8

7-chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-thione

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one With aluminum (III) chloride; chlorine In dichloromethane at 10 - 20℃;
Stage #2: With sodiumsulfide nonahydrate; tetrabutylammomium bromide; dihydrogen peroxide for 2h; Reflux;
78.7%
2-bromo-1-o-tolylethanone
51012-65-8

2-bromo-1-o-tolylethanone

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one
2898-08-0

2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one

1,3-dihydro-1-(2'-methylphenacyl)-5-phenyl-2H-1,4-benzodiazepin-2-one
145084-43-1

1,3-dihydro-1-(2'-methylphenacyl)-5-phenyl-2H-1,4-benzodiazepin-2-one

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 In toluene for 6h; Ambient temperature;78%

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