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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

Tert-butyl(4S)-1-methyl-2-oxoimidazolidine-4-carboxylate

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Tert-Butyl (4S)-1-Methyl-2-Oxoimidazolidine-4-Carboxylate supplier in China

Cas:83056-79-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

1-Methyl-2-oxo-4-imidazolidinecarboxylic acid-1,1-dimethylethyl ester

Cas:83056-79-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

CAS 83056-79-5 TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

tert-Butyl (4S)-1-methyl-2-oxoimidazolidine-4-carboxylate

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 83056-79-5 with competitive price

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

4-Imidazolidinecarboxylicacid, 1-methyl-2-oxo-, 1,1-dimethylethyl ester, (4S)- 83056-79-5

Cas:83056-79-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE CAS:83056-79-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speci

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE CAS:83056-79-5

Cas:83056-79-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

4-Imidazolidinecarboxylicacid, 1-methyl-2-oxo-, 1,1-dimethylethyl ester, (4S)-

Cas:83056-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $6.0 / 10.0

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Tert-Butyl-(4S)-1-Methyl-2- Oxoimidazolidine-4-Carboxylate,Ahk

Cas:83056-79-5

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

Imidapril intermidiate

Cas:83056-79-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

tert-butyl (4s)-1-methyl-2-oxoimidazolidine-4-carboxylate

Cas:83056-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

High quality Tert-Butyl (4S)-1-Methyl-2-Oxoimidazolidine-4-Carboxylate

Cas:83056-79-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Off-White Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:An intermediate in the preparation of Imidapril

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Tert-butyl(4S)-1-methyl-2-oxoimidazolidine-4-carboxylate

Cas:83056-79-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: (4S)-1-Methyl-2-Oxo-Imidazolidine-4-Carboxylic Acid T-Butyl Ester CAS No.:83056-79-5 Molecule Formula:C9H16N2O3 Molecule Weight:200.23 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enter

Best Quality (4S)-1-Methyl-2-Oxo-Imidazolidine-4-Carboxylic Acid T-Butyl Ester

Cas:83056-79-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp

High quality 83056-79-5 supplier at best price

Cas:83056-79-5

Min.Order:1 Metric Ton

Negotiable

Type:Other

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

TERT-BUTYL(4S)-1-METHYL-2-OXOIMIDAZOLIDINE-4-CARBOXYLATE

Cas:83056-79-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

tert-Butyl (4S)-1-methyl-2-oxoimidazolidine-4-carboxylate

Cas:83056-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

tert-butyl (4s)-1-Methyl-2-oxoiMidazolidine-4-carboxylates

Cas:83056-79-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

tert-butyl (4s)-1-methyl-2-oxoimidazolidine-4-carboxylates cas no. 83056-79-5 98%

Cas:83056-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

tert-butyl (4S)-3-(benzyloxycarbonyl)-1-methyl-2-oxoimidazolidine-4-carboxylate
83056-78-4

tert-butyl (4S)-3-(benzyloxycarbonyl)-1-methyl-2-oxoimidazolidine-4-carboxylate

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

Conditions
ConditionsYield
With hydrogen; palladium In methanol under 760 Torr; for 3h; Ambient temperature;98.2%
In methanol; hydrogen98.2%
palladium In methanol; hydrogen98.2%
tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate
157163-04-7

tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate

benzyl alcohol
100-51-6

benzyl alcohol

A

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

B

Benzyl N-benzyl-D-alaninate

Benzyl N-benzyl-D-alaninate

Conditions
ConditionsYield
With n-butyllithium In diethyl ether; benzene 1.) 0 deg C, 10 min, 2.) 0 deg C, 30 min;A 76%
B 87%
With n-butyllithium In diethyl ether; hexane 1.) 0 deg C, 10 min, 2.) 0 deg C, 30 min;A 76%
B 87%
(S)‐2‐oxoimidazolidine‐1,5‐dicarboxylate-5‐tert‐butyl ester-1‐benzyl ester
77999-24-7

(S)‐2‐oxoimidazolidine‐1,5‐dicarboxylate-5‐tert‐butyl ester-1‐benzyl ester

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 89.8 percent / K2CO3 / acetone / 72 h / Ambient temperature
2: 98.2 percent / H2 / Pd / methanol / 3 h / 760 Torr / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

2-Bromo-4-phenyl-butyryl bromide

2-Bromo-4-phenyl-butyryl bromide

(S)-3-(2-Bromo-4-phenyl-butyryl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester
195828-78-5

(S)-3-(2-Bromo-4-phenyl-butyryl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min;84%
2-bromobutanoyl chloride
22118-12-3

2-bromobutanoyl chloride

potassium tert-butylate
865-47-4

potassium tert-butylate

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert.-butyl (4S)-1-methyl-3-(2-bromo-n-butyryl)-2-oxo-imidazolidine-4-carboxylate
195828-76-3

tert.-butyl (4S)-1-methyl-3-(2-bromo-n-butyryl)-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
In tetrahydrofuran80.3%
2-bromo-4-methylvaleryl bromide
74204-03-8

2-bromo-4-methylvaleryl bromide

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(S)-3-(2-Bromo-4-methyl-pentanoyl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester
195828-77-4

(S)-3-(2-Bromo-4-methyl-pentanoyl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min;78%
(R)-2-(methanesulfonyloxy)propionic acid
136622-16-7

(R)-2-(methanesulfonyloxy)propionic acid

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-methanesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate
130368-72-8

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-methanesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
75.8%
(2R)-2-(4-toluenesulfonyloxy)propionyl chloride
88081-65-6

(2R)-2-(4-toluenesulfonyloxy)propionyl chloride

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-toluenesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate
130368-70-6

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-toluenesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at -50℃; for 0.333333h;74%
With potassium tert-butylate In tetrahydrofuran a) -50 deg C, 20 min, b) -30 deg C, 20 min; Yield given;
toluene-ethyl acetate

toluene-ethyl acetate

potassium tert-butylate
865-47-4

potassium tert-butylate

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(2S)-3-(benzoylthio)-2-methylpropionic acid
72679-02-8

(2S)-3-(benzoylthio)-2-methylpropionic acid

(2S)-3-benzoylthio-2-methylpropionyl chloride
72679-01-7

(2S)-3-benzoylthio-2-methylpropionyl chloride

tert.-butyl (4S)-1-methyl-3-[(2S)-3-benzoylthio-2-methylpropionyl]-2-oxo-imidazolidine-4-carboxylate

tert.-butyl (4S)-1-methyl-3-[(2S)-3-benzoylthio-2-methylpropionyl]-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
With thionyl chloride In tetrahydrofuran; ethyl acetate73.9%
potassium tert-butylate
865-47-4

potassium tert-butylate

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

2-Bromopropionyl chloride
7148-74-5

2-Bromopropionyl chloride

tert.-butyl (4S)-1-methyl-3-(2-bromopropionyl)-2-oxo-imidazolidine-4-carboxylate
195828-75-2

tert.-butyl (4S)-1-methyl-3-(2-bromopropionyl)-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
In tetrahydrofuran72.7%
(2S)-2-(4-toluenesulfonyloxy)propionyl chloride
83261-13-6

(2S)-2-(4-toluenesulfonyloxy)propionyl chloride

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-butyl (4S)-1-methyl-3-<(2S)-2-(4-toluenesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate
143996-80-9

tert-butyl (4S)-1-methyl-3-<(2S)-2-(4-toluenesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at -50℃; for 0.333333h;70%
2-bromobutanoyl chloride
22118-12-3

2-bromobutanoyl chloride

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert.-butyl (4S)-1-methyl-3-(2-bromo-n-butyryl)-2-oxo-imidazolidine-4-carboxylate
195828-76-3

tert.-butyl (4S)-1-methyl-3-(2-bromo-n-butyryl)-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h; Yield given. Multistep reaction;
(2R)-2-(methanesulfonyloxy)propionyl chloride
85277-55-0

(2R)-2-(methanesulfonyloxy)propionyl chloride

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-methanesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate
130368-72-8

tert-Butyl (4S)-1-Methyl-3-<(2R)-2-(4-methanesulfonyloxy)propionyl>-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran a) -50 deg C, 20 min, b) -30 deg C, 20 min; Yield given;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(S)-2-[(S)-1-(2,5-Dioxo-pyrrolidin-1-yloxycarbonyl)-ethylamino]-4-phenyl-butyric acid benzyl ester

(S)-2-[(S)-1-(2,5-Dioxo-pyrrolidin-1-yloxycarbonyl)-ethylamino]-4-phenyl-butyric acid benzyl ester

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-benzyloxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate
89460-20-8

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-benzyloxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min; Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

N-succinimidyl (2S)-2-{N-[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino}propionate
89371-34-6

N-succinimidyl (2S)-2-{N-[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino}propionate

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-ethoxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate
89371-38-0

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-ethoxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min; Yield given. Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(S)-2-[(R)-1-(2,5-Dioxo-pyrrolidin-1-yloxycarbonyl)-ethylamino]-4-phenyl-butyric acid ethyl ester
89371-34-6

(S)-2-[(R)-1-(2,5-Dioxo-pyrrolidin-1-yloxycarbonyl)-ethylamino]-4-phenyl-butyric acid ethyl ester

(S)-3-[(R)-2-((S)-1-Ethoxycarbonyl-3-phenyl-propylamino)-propionyl]-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester
117605-22-8

(S)-3-[(R)-2-((S)-1-Ethoxycarbonyl-3-phenyl-propylamino)-propionyl]-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min; Yield given. Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(N-benzyloxycarbonyl)-L-alanine N-hydroxysuccinimide ester
3401-36-3

(N-benzyloxycarbonyl)-L-alanine N-hydroxysuccinimide ester

tert-butyl (4S)-3-<(2S)-2-propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate
117560-20-0

tert-butyl (4S)-3-<(2S)-2-propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 10 min, 2) THF, -30 to -20 deg C, 30 min; Yield given. Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

2-Bromopropionyl chloride
7148-74-5

2-Bromopropionyl chloride

tert.-butyl (4S)-1-methyl-3-(2-bromopropionyl)-2-oxo-imidazolidine-4-carboxylate
195828-75-2

tert.-butyl (4S)-1-methyl-3-(2-bromopropionyl)-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h; Yield given. Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

2,4-dibromobutanoyl chloride
82820-87-9

2,4-dibromobutanoyl chloride

(S)-3-(2,4-Dibromo-butyryl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester

(S)-3-(2,4-Dibromo-butyryl)-1-methyl-2-oxo-imidazolidine-4-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate 1.) THF, -60 deg C, 20 min, 2.) THF, -30 deg C, 1 h; Yield given. Multistep reaction;
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)-4-methylvaleryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)-4-methylvaleryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / t-BuOK / tetrahydrofuran / 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min
2: K2CO3 / hexamethylphosphoric acid triamide / 14 h / 25 °C
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-3-<(2S)-2-(N-benzylamino)-4-methylvaleryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

tert-Butyl (4S)-3-<(2S)-2-(N-benzylamino)-4-methylvaleryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / t-BuOK / tetrahydrofuran / 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min
2: K2CO3 / hexamethylphosphoric acid triamide / 14 h / 25 °C
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-3-<(2S)-2-(N-benzylamino)-4-phenylbutyryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

tert-Butyl (4S)-3-<(2S)-2-(N-benzylamino)-4-phenylbutyryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 84 percent / t-BuOK / tetrahydrofuran / 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min
2: K2CO3 / hexamethylphosphoric acid triamide / 14 h / 25 °C
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)-4-phenylbutyryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

tert-Butyl (4S)-3-<(2R)-2-(N-benzylamino)-4-phenylbutyryl>-1-methyl-2-oxoimidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 84 percent / t-BuOK / tetrahydrofuran / 1.) -50 deg C, 20 min, 2.) -30 deg C, 30 min
2: K2CO3 / hexamethylphosphoric acid triamide / 14 h / 25 °C
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

Imidapril hydrochloride
89396-94-1

Imidapril hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1) tBuOK / 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min
2: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
3: 1) K2CO3, 2) 15percent HCl/dioxane / 1) H2O, 2) rt, overnight
View Scheme
Multi-step reaction with 4 steps
1: 1) KOtBu / 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h
2: K2CO3 / hexamethylphosphoric acid triamide / 48 h / Ambient temperature
3: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
4: 1) K2CO3, 2) 15percent HCl/dioxane / 1) H2O, 2) rt, overnight
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-Butyl (4S)-3-<(2S)-2-amino>propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate Hydrogenmaleate
117605-23-9

tert-Butyl (4S)-3-<(2S)-2-amino>propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate Hydrogenmaleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) tBuOK / 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min
2: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: 1) KOtBu / 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h
2: K2CO3 / hexamethylphosphoric acid triamide / 48 h / Ambient temperature
3: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-ethoxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate
89371-38-0

tert-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-ethoxycarbonyl-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) KOtBu / 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h
2: K2CO3 / hexamethylphosphoric acid triamide / 48 h / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert-butyl (4S)-3-<(2S)-2-propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate hydrogen maleate
117605-21-7

tert-butyl (4S)-3-<(2S)-2-propionyl>-1-methyl-2-oxoimidazolidine-4-carboxylate hydrogen maleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) tBuOK / 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min
2: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-carboxy-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylic acid
89371-44-8

(4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-carboxy-3-phenylpropyl)amino]propionyl}-2-oxo-imidazolidine-4-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1) tBuOK / 1) THF, -50 deg C, 20 min, 2) THF, -30 deg C, 20 min
2: ethyl acetate; diisopropyl ether / 3 h / Ambient temperature
3: H2 / Pd / methanol / 2 h / 760 Torr / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(4S)-3-<(2S)-aminopropionyl>-1-methyl-2-oxoimidazolidine-4-carboxylic acid
117581-62-1

(4S)-3-<(2S)-aminopropionyl>-1-methyl-2-oxoimidazolidine-4-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) KOtBu / 1) THF, -50 deg C, 10 min, 2) THF, -30 to -20 deg C, 30 min
2: 72.2 percent / HCl / dioxane / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

(4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-carboxy-n-nonyl)amino]-n-butyryl}-2-oxo-imidazolidine-4-carboxylic acid
89371-74-4

(4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-carboxy-n-nonyl)amino]-n-butyryl}-2-oxo-imidazolidine-4-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1) KOtBu / 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h
2: 2.9 percent / K2CO3 / hexamethylphosphoric acid triamide / 48 h / Ambient temperature
3: H2 / Pd / methanol / 2 h / 760 Torr / Ambient temperature
View Scheme
(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester
83056-79-5

(4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid t-butyl ester

tert.-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-benzyloxycarbonyl-n-nonyl)amino]-n-butyryl}-2-oxo-imidazolidine-4-carboxylate
89371-73-3

tert.-butyl (4S)-1-methyl-3-{(2S)-2-[N-((1S)-1-benzyloxycarbonyl-n-nonyl)amino]-n-butyryl}-2-oxo-imidazolidine-4-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) KOtBu / 1) THF, -50 deg C, 20 min, 2) -30 deg C, 1 h
2: 2.9 percent / K2CO3 / hexamethylphosphoric acid triamide / 48 h / Ambient temperature
View Scheme

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