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Jinan Finer Chemical Co., Ltd

Product description: Product name 4-Bromopyrazole CAS number 2075-45-8 Assay ≥98% Appearance Yellowish to off-white powder Capacity 50mt/year Application Pharmaceutical/pesti

4-Bromopyrazole

Cas:2075-45-8

Min.Order:100 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White solid Storage:Store at RT. Package:50kg/fiber drum Appl

Good quality 4-Bromopyrazole CAS 2075-45-8 with factory price

Cas:2075-45-8

Min.Order:5 Kilogram

FOB Price: $60.0 / 80.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

4-Bromo-pyrazole

Cas:2075-45-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 2075-45-8 2-mercapto-4 - (4-pyridyl) thiazole Manufacturer

Cas:2075-45-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

4-Bromopyrazole

Cas:2075-45-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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 according to the contract research and development services for the fine c

4-Bromopyrazole 2075-45-8 /manufacturer/low price/high quality/in stock

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $15.0 / 17.0

Type:Lab/Research institutions

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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

4-Bromopyrazole

Cas:2075-45-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 4-Bromopyrazole Synonyms: 4-bromo-pyrazol;4-Brompyrazole;Pyrazole, 4-bromo-;4-BROMO-1H-PYRAZOLE;4-BROMOPYRAZOLE;AKOS B001462;93℃-96℃;4-Bromopyrazole,98% CAS: 2075-45-8 MF: C3H3BrN2 MW: 146.97 EINECS: Product Categories: Azoles;b

4-Bromopyrazole 2075-45-8

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $230.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

4-Bromopyrazole CAS 2075-45-8

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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

Hot selling CAS 2075-45-8 with best quality

Cas:2075-45-8

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

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

1H-Pyrazole, 4-bromo- 2075-45-8

Cas:2075-45-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

4-Bromopyrazole, 99%

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $68.0 / 75.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

4-Bromopyrazole CAS:2075-45-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedia

4-Bromopyrazole CAS:2075-45-8

Cas:2075-45-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

4-Bromopyrazole CAS 2075-45-8

Cas:2075-45-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

CAS NO.:2075-45-8

Cas:2075-45-8

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

4-Bromopyrazole

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $100.0 / 120.0

Type:Lab/Research institutions

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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

4-Bromopyrazole 2075-45-8

Cas:2075-45-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hubei Lidu New Material Technology Co., Ltd

Hubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,

4-Bromopyrazole

Cas:2075-45-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

4-Bromopyrazole

Cas:2075-45-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

4-Bromopyrazole CAS 2075-45-8

Cas:2075-45-8

Min.Order:1 Kilogram

FOB Price: $75.0 / 150.0

Type:Trading Company

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

4-bromo-1H-pyrazole

Cas:2075-45-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Factory Supply 4-bromopyrazole

Cas:2075-45-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

4-Bromo-1H-pyrazole

Cas:2075-45-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Xinhao Biotechnology Co., Ltd.

1. We can provide customers with "one-stop"packaging service,from research,development,production,export and so on 2. Powerful R&D strength let our technology in a leading level,forever,in turn,to provide customers with better service .

Good quality 4-Bromopyrazole CAS 2075-45-8 with factory price CAS NO.2075-45-8

Cas:2075-45-8

Min.Order:100 Gram

FOB Price: $10.0 / 100.0

Type:Trading Company

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

4-bromopyrazole

Cas:2075-45-8

Min.Order:1 Gram

FOB Price: $1.0

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

4-Bromopyrazole

Cas:2075-45-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

4-Bromopyrazole

Cas:2075-45-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality Appearance:White to cream crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Starting material employed in a syn

4-Bromopyrazole

Cas:2075-45-8

Min.Order:1 Kilogram

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,

4-Bromopyrazole

Cas:2075-45-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

NH-pyrazole
288-13-1

NH-pyrazole

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With bromine In dichloromethane at 0℃;100%
With N-Bromosuccinimide In water at 20 - 25℃;100%
With N-Bromosuccinimide In water at 20℃;100%
3,5-pyrazoledicarboxylic acid
3112-31-0

3,5-pyrazoledicarboxylic acid

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With bromine
potassium 4-bromopyrazolate

potassium 4-bromopyrazolate

Methyl 4-pyridazinyl ketone
50901-46-7

Methyl 4-pyridazinyl ketone

A

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

B

C6H5N2O(1-)*K(1+)

C6H5N2O(1-)*K(1+)

Conditions
ConditionsYield
In dimethyl sulfoxide at 24.9℃; Equilibrium constant;
4-bromo-1H-pyrazole-3-carboxylic acid
13745-17-0

4-bromo-1H-pyrazole-3-carboxylic acid

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

C10H5BrF2N2O

C10H5BrF2N2O

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With phosphate buffer at 25℃; Kinetics;
C11H9BrN2O

C11H9BrN2O

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With phosphate buffer at 25℃; Kinetics;
C11H9BrN2O

C11H9BrN2O

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With phosphate buffer at 25℃; Kinetics;
C10H4BrClF2N2O

C10H4BrClF2N2O

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With phosphate buffer at 25℃; Kinetics;
(4-bromo-1H-pyrazol-1-yl)(p-tolyl)methanone

(4-bromo-1H-pyrazol-1-yl)(p-tolyl)methanone

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With phosphate buffer at 25℃; Kinetics;
(S)-flurbiprofenyl 4-bromopyrazolide

(S)-flurbiprofenyl 4-bromopyrazolide

A

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

Conditions
ConditionsYield
With water; sodium hydroxide at 4℃; for 24h;
NH-pyrazole
288-13-1

NH-pyrazole

ethyl 2-bromoisobutyrate
600-00-0

ethyl 2-bromoisobutyrate

A

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

B

ethyl 2-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate
1040377-17-0

ethyl 2-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate

C

ethyl 3-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate

ethyl 3-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate

Conditions
ConditionsYield
Stage #1: NH-pyrazole; ethyl 2-bromoisobutyrate With sodium t-butanolate In N,N-dimethyl-formamide
Stage #2: With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

ethyl vinyl ether
109-92-2

ethyl vinyl ether

4-bromo-1-(1-ethoxyethyl)-1H-pyrazole
1024120-52-2

4-bromo-1-(1-ethoxyethyl)-1H-pyrazole

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; 1,4-dioxane at 20℃; for 3h;100%
With hydrogenchloride In 1,4-dioxane; dichloromethane at 20℃; for 3h;89%
With hydrogenchloride In 1,4-dioxane89%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

2-chloro-N-(2,4-dimethoxybenzyl)-5-nitrobenzenesulfonamide

2-chloro-N-(2,4-dimethoxybenzyl)-5-nitrobenzenesulfonamide

2-(4-bromo-1H-pyrazol-1-yl)-N-(2,4-dimethoxybenzyl)-5-nitrobenzenesulfonamide

2-(4-bromo-1H-pyrazol-1-yl)-N-(2,4-dimethoxybenzyl)-5-nitrobenzenesulfonamide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃;100%
With potassium carbonate In acetonitrile at 100℃;
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

(2-trimethylethylsilylethoxy)methyl chloride
76513-69-4

(2-trimethylethylsilylethoxy)methyl chloride

4-bromo-1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole
133560-58-4

4-bromo-1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 16h;
99%
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 20℃; for 16h;
99%
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.583333h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 16h;
91%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

trimethylamine-borane
75-22-9

trimethylamine-borane

{1-(4-bromo)pyrazolyl}borane
16998-93-9

{1-(4-bromo)pyrazolyl}borane

Conditions
ConditionsYield
99%
99%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

chloro-methylsulfanyl-methane
2373-51-5

chloro-methylsulfanyl-methane

4-bromo-1-[(methylsulphanyl)methyl]-1H-pyrazole

4-bromo-1-[(methylsulphanyl)methyl]-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃; for 16h;99%
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.25h;
Stage #2: chloro-methylsulfanyl-methane In N,N-dimethyl-formamide at 20℃;
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

pentadeca-7,8-diene

pentadeca-7,8-diene

(S,E)-4-bromo-1-(pentadec-8-en-7-yl)-1H-pyrazole

(S,E)-4-bromo-1-(pentadec-8-en-7-yl)-1H-pyrazole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction;99%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
58-08-2

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

4,5,8-tris(4-bromo-1H-pyrazol-1-yl)-1,3,7-trimethyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione

4,5,8-tris(4-bromo-1H-pyrazol-1-yl)-1,3,7-trimethyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With tetrabutylammonium tetrafluoroborate In acetonitrile at 45℃; for 10h; Inert atmosphere; Electrochemical reaction; Green chemistry; diastereoselective reaction;99%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

trityl chloride
76-83-5

trityl chloride

4-bromo-1-trityl-1H-pyrazole
95162-14-4

4-bromo-1-trityl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere;98.2%
With pyridine; dmap In dichloromethane at 20℃; for 16h;96%
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere;89%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

4-bromo-1H-pyrazol-1-yl(4-methylphenyl)sulfone
116228-41-2

4-bromo-1H-pyrazol-1-yl(4-methylphenyl)sulfone

Conditions
ConditionsYield
With sodium hydroxide In dichloromethane at 20℃; for 24h;98%
With sodium hydroxide In dichloromethane at 0 - 20℃;98%
With triethylamine In dichloromethane at 20℃; for 3h;73%
In pyridine for 2h; Heating;70%
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h;
Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran; mineral oil at 20℃; for 12h;
63%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3-methanesulfonyloxy-azetidine-1-carboxylic acid tert-butyl ester
141699-58-3

3-methanesulfonyloxy-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate
877399-34-3

tert-butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 110℃; for 0.5h; Microwave irradiation;98%
With sodium hydride In N,N-dimethyl-formamide at 110℃; for 0.5h; Microwave irradiation;98%
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 110℃; for 0.5h; Inert atmosphere; Microwave irradiation;98%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3-methoxycarbonylbenzyl bromide
1129-28-8

3-methoxycarbonylbenzyl bromide

3-(4-bromo-pyrazol-1-ylmethyl)-benzoic acid methyl ester
1005628-24-9

3-(4-bromo-pyrazol-1-ylmethyl)-benzoic acid methyl ester

Conditions
ConditionsYield
With sodium carbonate In ISOPROPYLAMIDE at 60℃;98%
Stage #1: 4-bromo-1H-pyrazole With sodium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; for 0.7h;
Stage #2: 3-methoxycarbonylbenzyl bromide In tetrahydrofuran; N,N-dimethyl-formamide at 20℃;
79%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3-trifluoromethylaniline
98-16-8

3-trifluoromethylaniline

N-(3-trifluoromethylphenyl)-1H-pyrazol-4-amine
1537903-13-1

N-(3-trifluoromethylphenyl)-1H-pyrazol-4-amine

Conditions
ConditionsYield
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 50℃; for 6h; Inert atmosphere; Sealed tube;98%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

4-bromopyrazole-1-carboxylic acid tert-butyl ester
1150271-23-0

4-bromopyrazole-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With dmap; triethylamine In acetonitrile at 20℃; for 2h;98%
With triethylamine In dichloromethane at 20℃;93%
In tetrahydrofuran at 30 - 45℃; Large scale;92%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

1-Hexadecene
629-73-2

1-Hexadecene

(S)-4-bromo-1-(hexadec-1-en-3-yl)-1H-pyrazole

(S)-4-bromo-1-(hexadec-1-en-3-yl)-1H-pyrazole

Conditions
ConditionsYield
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; JoSPOPhos SL-J688-2; pyridinium p-toluenesulfonate In toluene at 80℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; enantioselective reaction;98%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

4-bromo-1-(4-methoxybenzyl)-1H-pyrazole

4-bromo-1-(4-methoxybenzyl)-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 14h;98%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3-methoxy-1-iodobenzene
766-85-8

3-methoxy-1-iodobenzene

4-bromo-1-(3-methoxyphenyl)-1-hydropyrazole

4-bromo-1-(3-methoxyphenyl)-1-hydropyrazole

Conditions
ConditionsYield
With copper(l) iodide; L-valine; potassium carbonate In dimethyl sulfoxide at 100℃; for 48h; Inert atmosphere;98%
With copper(l) iodide; potassium carbonate; L-proline In dimethyl sulfoxide at 110℃; for 48h; Inert atmosphere;89%
With copper(l) iodide; L-valine; potassium carbonate In dimethylsulfoxide-d6 at 110℃; for 48h;89%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

pentacosa-12,13-diene

pentacosa-12,13-diene

(S,E)-4-bromo-1-(pentacos-13-en-12-yl)-1H-pyrazole

(S,E)-4-bromo-1-(pentacos-13-en-12-yl)-1H-pyrazole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction;98%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

copper(II) choride dihydrate

copper(II) choride dihydrate

tetrabutyl-ammonium chloride
1112-67-0

tetrabutyl-ammonium chloride

[N(n-C4H9)4]2[Cu3(μ3-Cl)2(μ-4-bromopyrazolato)3Cl3]

[N(n-C4H9)4]2[Cu3(μ3-Cl)2(μ-4-bromopyrazolato)3Cl3]

Conditions
ConditionsYield
With NaOH In dichloromethane byproducts: NaCl; stirring of equimolar amts. of CuCl2*2H2O, 4-bromopyrazole, NaOH and N(C4H9)4Cl in CH2Cl2 for 12 h at ambient temp.; filtration, treatment with Et2O, filtration, washing with Et2O, recrystn. from CH2Cl2/Et2O; elem. anal.;97%
pyridin-3-ylamine
462-08-8

pyridin-3-ylamine

4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

N-(pyridin-3-yl)-1H-pyrazol-4-amine
1369433-25-9

N-(pyridin-3-yl)-1H-pyrazol-4-amine

Conditions
ConditionsYield
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 80℃; for 6h; Inert atmosphere; Sealed tube;97%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

1-phenyl-2-bromoethane
103-63-9

1-phenyl-2-bromoethane

4-bromo-1-(2-phenylethyl)pyrazole

4-bromo-1-(2-phenylethyl)pyrazole

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 25 - 90℃; for 14h;97%
With potassium carbonate In acetonitrile at 90℃; for 12h;70%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

hepta-3,4-diene-1,7-diyldibenzene
104367-27-3

hepta-3,4-diene-1,7-diyldibenzene

(S,E)-4-bromo-1-(tridec-7-en-6-yl)-1H-pyrazole

(S,E)-4-bromo-1-(tridec-7-en-6-yl)-1H-pyrazole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction;97%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

(1,2:5,6)-di-O-isopropylidene-D-gulose
14686-89-6

(1,2:5,6)-di-O-isopropylidene-D-gulose

3-(4-bromo-1H-pyrazol-1-yl)-3-deoxy-1,2:5,6-di-O-isopropylidene-alpha-D-galactofuranose

3-(4-bromo-1H-pyrazol-1-yl)-3-deoxy-1,2:5,6-di-O-isopropylidene-alpha-D-galactofuranose

Conditions
ConditionsYield
Stage #1: (1,2:5,6)-di-O-isopropylidene-D-gulose With pyridine; trifluoromethylsulfonic anhydride In dichloromethane at 0 - 10℃; for 1h;
Stage #2: 4-bromo-1H-pyrazole With caesium carbonate In N,N-dimethyl-formamide for 18h; Cooling with ice;
97%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

aniline
62-53-3

aniline

phenyl-(1H-pyrazol-4-yl)-amine

phenyl-(1H-pyrazol-4-yl)-amine

Conditions
ConditionsYield
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 50℃; for 6h; Inert atmosphere; Sealed tube;96%
With sodium t-butanolate; tert-butyl XPhos; tris-(dibenzylideneacetone)dipalladium(0) In toluene at 110℃; for 24h;94%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

ethyl iodide
75-03-6

ethyl iodide

1-ethyl-4-bromo-1H-pyrazole
71229-85-1

1-ethyl-4-bromo-1H-pyrazole

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; sodium hydroxide In water; dimethyl sulfoxide at 20℃;96%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h;84%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h;84%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

4-Fluorobenzyl bromide
459-46-1

4-Fluorobenzyl bromide

4-bromo-1-(4-fluorobenzyl)-1H-pyrazole
251925-14-1

4-bromo-1-(4-fluorobenzyl)-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 12h;96%
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In DMF (N,N-dimethyl-formamide) at 0℃; for 0.333333h;
Stage #2: 4-Fluorobenzyl bromide In DMF (N,N-dimethyl-formamide) at 20℃; for 1h;
Stage #3: With water In DMF (N,N-dimethyl-formamide) at 0℃;
86%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

3-bromopropanol methyl ether
36865-41-5

3-bromopropanol methyl ether

4-bromo-1-(3-methoxypropyl)-1H-pyrazole
1183903-41-4

4-bromo-1-(3-methoxypropyl)-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 50℃;96%
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 8h;94%
With caesium carbonate In N,N-dimethyl-formamide at 50℃;
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

6-phenyl-1-hexene
1588-44-9

6-phenyl-1-hexene

(S)-4-bromo-1-(6-phenylhex-1-en-3-yl)-1H-pyrazole

(S)-4-bromo-1-(6-phenylhex-1-en-3-yl)-1H-pyrazole

Conditions
ConditionsYield
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; JoSPOPhos SL-J688-2; pyridinium p-toluenesulfonate In toluene at 80℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; enantioselective reaction;96%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

1-iodo-butane
542-69-8

1-iodo-butane

4-bromo-1-butyl-1H-pyrazole
957062-61-2

4-bromo-1-butyl-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 13h;96%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

6-methoxypyridine-3-ol
51834-97-0

6-methoxypyridine-3-ol

2-(4-bromo-1H-pyrazol-1-yl)-6-methoxypyridin-3-ol

2-(4-bromo-1H-pyrazol-1-yl)-6-methoxypyridin-3-ol

Conditions
ConditionsYield
With tert-butylammonium hexafluorophosphate(V) In dichloromethane at 23℃; Inert atmosphere; Electrochemical reaction;96%

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