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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 4-Bromo-3-Methylpyrazole supplier in China

Cas:13808-64-5

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

Factory Supply 4-Bromo-3-Methylpyrazole

Cas:13808-64-5

Min.Order:1

Negotiable

Type:Other

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

4-bromo-3-methyl-1H-pyrazole

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

4-Bromo-3-methylpyrazole 13808-64-5

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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

Pharmaceutical Grade CAS 13808-64-5 with competitive price

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available 5, R

4-Bromo-3-methyl pyrazole cas no. 13808-64-5

Cas:13808-64-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

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-3-methyl- 13808-64-5

Cas:13808-64-5

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-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $68.0 / 75.0

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

1H-Pyrazole,4-bromo-3-methyl-

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

4-Bromo-3-Methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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 have s

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

4-BROMO-3-METHYLPYRAZOLE 13808-64-5

Cas:13808-64-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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-3-methylpyrazole

Cas:13808-64-5

Min.Order:4 Kilogram

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

4-Bromo-3-Methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Trading Company

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

4-Bromo-3-methylpyrazole

Cas:13808-64-5

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

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Manufacturers

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

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

4-bromo-3-methyl-1H-pyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Other

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

4-Bromo-3-methyl pyrazole cas no. 13808-64-5 CAS 13808-64-5

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Other

inquiry

Lonwin Chemical Group Limited

Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is

High Purity 4-Bromo-3-Methylpyrazole 13808-64-5

Cas:13808-64-5

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Enterprise standard Application:Used in medicine, cosmetics, etc.

4-Bromo-3-methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 4-Bromo-3-methylpyrazole 25g

Cas:13808-64-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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

4-BroMo-3-Methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

4-Bromo-3-Methylpyrazole

Cas:13808-64-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

4-bromo-3-methyl-1-phenylsulphonylpyrazole
130874-31-6

4-bromo-3-methyl-1-phenylsulphonylpyrazole

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

Conditions
ConditionsYield
With potassium hydroxide In methanol for 1h; Heating;83%
With potassium hydroxide In methanol for 1h; Heating; other 4-bromo-1-phenylsulphonylpyrazoles;83%
3-Methylpyrazole
1453-58-3

3-Methylpyrazole

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 3-Methylpyrazole With N-Bromosuccinimide In N,N-dimethyl-formamide at 60℃; Continuous flow reactor;
Stage #2: With water; acetic acid In N,N-dimethyl-formamide
49%
3(resp. 5)-methyl-pyrazole

3(resp. 5)-methyl-pyrazole

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

Conditions
ConditionsYield
With water; bromine
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 4-bromo-3-methyl-1H-pyrazole-1-carboxylate
1021919-24-3

tert-butyl 4-bromo-3-methyl-1H-pyrazole-1-carboxylate

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane at 20℃;100%
With sodium carbonate In dichloromethane; water for 2.5h;
With sodium carbonate In dichloromethane at 20℃; for 16h;
With dmap; triethylamine In acetonitrile at 20℃;0.32 g
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-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

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

4,5,8-tris(4-bromo-3-methyl-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%
9-borabicyclo[3.3.1]nonane dimer
21205-91-4

9-borabicyclo[3.3.1]nonane dimer

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

potassium hydride

potassium hydride

potassium[bis(3-Me-4-Br-pyrazolyl)borate(C8H14)]

potassium[bis(3-Me-4-Br-pyrazolyl)borate(C8H14)]

Conditions
ConditionsYield
In toluene for 3h; Inert atmosphere; Schlenk technique; Reflux;96%
4-oxanyl methanesulfonate
134419-59-3

4-oxanyl methanesulfonate

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-bromo-3-methyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole

4-bromo-3-methyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 100℃; for 10h;88%
triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-bromo-3-methyl-1-(triisopropylsilyl)-1H-pyrazole

4-bromo-3-methyl-1-(triisopropylsilyl)-1H-pyrazole

Conditions
ConditionsYield
With triethylamine In dichloromethane for 72h; Reflux;86.1%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

carbon dioxide
124-38-9

carbon dioxide

methyl iodide
74-88-4

methyl iodide

methyl 4-bromo-3-methyl-1H-pyrazole-1-carboxylate
1207853-38-0

methyl 4-bromo-3-methyl-1H-pyrazole-1-carboxylate

Conditions
ConditionsYield
Stage #1: 4-bromo-3-methyl-1H-pyrazole; carbon dioxide With cesium hydroxide; (hydroxido){N,N'-bis(2,6-diisopropylphenyl)imidazol-2-ylidene}copper(I) In tetrahydrofuran at 40℃; under 1125.11 Torr; for 0.204167h; Inert atmosphere;
Stage #2: methyl iodide In tetrahydrofuran Inert atmosphere; regioselective reaction;
85%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

phenylboronic acid
98-80-6

phenylboronic acid

3-Methyl-4-phenyl-1H-pyrazole
13788-84-6

3-Methyl-4-phenyl-1H-pyrazole

Conditions
ConditionsYield
With palladium diacetate; potassium carbonate; catacxium A In 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere;84%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

1,3,5-trimethyl-benzene
108-67-8

1,3,5-trimethyl-benzene

4-bromo-1-mesityl-3-methyl-1H-pyrazole

4-bromo-1-mesityl-3-methyl-1H-pyrazole

Conditions
ConditionsYield
With C24H42N3(1+)*ClO4(1-); lithium perchlorate; acetic acid In acetonitrile at 20℃; for 72h; Electrochemical reaction; Sealed tube; Irradiation;83%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

4-bromo-3-methyl-1-phenylsulphonylpyrazole
130874-31-6

4-bromo-3-methyl-1-phenylsulphonylpyrazole

Conditions
ConditionsYield
With pyridine for 2h; Heating;82%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

phenylboronic acid
98-80-6

phenylboronic acid

4-bromo-3-methyl-1-phenyl-1H-pyrazole
50877-45-7

4-bromo-3-methyl-1-phenyl-1H-pyrazole

Conditions
ConditionsYield
With pyridine; oxygen; copper diacetate In dichloromethane at 20℃; for 24h;82%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

dimethylamino sulfonyl chloride
13360-57-1

dimethylamino sulfonyl chloride

4-bromo-3-methyl-pyrazole-1-sulphonic acid dimethylamide
882689-55-6

4-bromo-3-methyl-pyrazole-1-sulphonic acid dimethylamide

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane In acetonitrile at 20℃; for 6h;81%
With 1,4-diaza-bicyclo[2.2.2]octane In acetonitrile at 20℃; for 6h;81%
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h;
Stage #2: dimethylamino sulfonyl chloride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃;
54%
Stage #1: 4-bromo-3-methyl-1H-pyrazole With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.333333h;
Stage #2: dimethylamino sulfonyl chloride In tetrahydrofuran
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1.25h;
Stage #2: dimethylamino sulfonyl chloride In N,N-dimethyl-formamide at 0 - 20℃; for 3.25h;
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

benzyl bromide
100-39-0

benzyl bromide

1-benzyl-4-bromo-3-methyl-1H-pyrazole

1-benzyl-4-bromo-3-methyl-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h; Inert atmosphere;
Stage #2: benzyl bromide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃;
80%
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: benzyl bromide In tetrahydrofuran at 0 - 15℃; for 1h;
60%
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: benzyl bromide In tetrahydrofuran at 0 - 15℃; for 1h;
60%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-methoxy-phenol
150-76-5

4-methoxy-phenol

2-(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

2-(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

Conditions
ConditionsYield
With dipotassium peroxodisulfate In acetonitrile at 80℃; for 5h; Inert atmosphere; Schlenk technique;76%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)((CH3)2SO)2]
1357927-37-7

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)((CH3)2SO)2]

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)(DMSO)(4-bromo-3-methyl-pyrazole)2]

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)(DMSO)(4-bromo-3-methyl-pyrazole)2]

Conditions
ConditionsYield
In methanol for 0.333333h; Reflux; Inert atmosphere;75%
3-bromomethyl-3-methyloxetane
78385-26-9

3-bromomethyl-3-methyloxetane

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-bromo-3-methyl-1-((3-methyloxetan-3-yl)methyl)-1H-pyrazole

4-bromo-3-methyl-1-((3-methyloxetan-3-yl)methyl)-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 100℃; for 1.5h; Microwave irradiation;74.9%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

trityl chloride
76-83-5

trityl chloride

4-bromo-3-methyl-1-trityl-1H-pyrazole
474706-49-5

4-bromo-3-methyl-1-trityl-1H-pyrazole

Conditions
ConditionsYield
With triethylamine In chloroform at 20℃; Inert atmosphere;73%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

2-(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

2-(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

2,6-bis(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

2,6-bis(4-bromo-3-methyl-1H-pyrazol-1-yl)-4-methoxyphenol

Conditions
ConditionsYield
With dipotassium peroxodisulfate In acetonitrile at 80℃; for 5h; Inert atmosphere; Schlenk technique;72%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

2,2,2-trifluoroethyl trifluoromethanesulphonate
6226-25-1

2,2,2-trifluoroethyl trifluoromethanesulphonate

4-bromo-3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole

4-bromo-3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 100℃; for 0.5h; Microwave irradiation;68.4%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

ethyl bromoacetate
105-36-2

ethyl bromoacetate

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

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

Conditions
ConditionsYield
With sodium hydride; potassium iodide In N,N-dimethyl-formamide; mineral oil at 80℃; for 12h;68%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)((CH3)2SO)2]
1357927-37-7

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)((CH3)2SO)2]

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)(4-bromo-3-methyl-pyrazole)3]

[Ru(2,2′-bipyridine-6,6′-dicarboxylate)(4-bromo-3-methyl-pyrazole)3]

Conditions
ConditionsYield
In methanol for 6h; Reflux; Inert atmosphere;68%
1-methyl-2(1H)-quinoxalinone
6479-18-1

1-methyl-2(1H)-quinoxalinone

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

3-(4-bromo-3-methyl-1H-pyrazol-1-yl)-1-methylquinoxalin-2(1H)-one

3-(4-bromo-3-methyl-1H-pyrazol-1-yl)-1-methylquinoxalin-2(1H)-one

Conditions
ConditionsYield
With air In acetonitrile at 20℃; for 20h; Irradiation;60%
2-iodo-propane
75-30-9

2-iodo-propane

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-bromo-1-isopropyl-3-methyl-1H-pyrazole
1215295-87-6

4-bromo-1-isopropyl-3-methyl-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 90℃; for 12h;56%
With caesium carbonate In acetonitrile at 90℃; for 12h;56%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate
141699-59-4

1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate

A

tert-butyl 4-(4-bromo-5-methyl-1H-pyrazol-1-yl)piperidine-1-carboxylate
1076223-99-8

tert-butyl 4-(4-bromo-5-methyl-1H-pyrazol-1-yl)piperidine-1-carboxylate

B

tert-butyl 4-(4-bromo-3-methyl-1H-pyrazol-1-yl)piperidine-1-carboxylate
1092500-89-4

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

Conditions
ConditionsYield
With sodium hydride In mineral oil at 70℃;A 27%
B 53%
With sodium hydride In N,N-dimethyl acetamide; mineral oil at 70℃;A 27%
B 53%
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h;
Stage #2: 1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate In N,N-dimethyl-formamide at 95℃; for 1h;
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 1h;
Stage #2: 1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate In N,N-dimethyl-formamide; mineral oil at 90℃; for 4h;
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

1-Chloro-4-fluorobenzene
352-33-0

1-Chloro-4-fluorobenzene

4-bromo-1-(4-chlorophenyl)-3-methyl-1H-pyrazole

4-bromo-1-(4-chlorophenyl)-3-methyl-1H-pyrazole

Conditions
ConditionsYield
With tetrabutylammonium tetrafluoroborate; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 20℃; for 36h; Sealed tube; Inert atmosphere; Irradiation; Electrolysis;52%
2-bromo-5-methyl-1,3-thiazole
41731-23-1

2-bromo-5-methyl-1,3-thiazole

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

C8H8BrN3S

C8H8BrN3S

Conditions
ConditionsYield
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 2-bromo-5-methyl-1,3-thiazole In N,N-dimethyl-formamide at 20 - 90℃;
50%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

4-bromo-2-(n-propyl)pyridine
98420-99-6

4-bromo-2-(n-propyl)pyridine

4-(4-bromo-3-methyl-1H-pyrazol-1-yl)-2-propylpyridine

4-(4-bromo-3-methyl-1H-pyrazol-1-yl)-2-propylpyridine

Conditions
ConditionsYield
With copper(l) iodide; caesium carbonate In N,N-dimethyl acetamide at 1140℃; for 6h; Sealed tube;49%
4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

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

(2-trimethylethylsilylethoxy)methyl chloride

2-[(4-bromo-3-methylpyrazol-1-yl)methoxy]ethyltrimethylsilane

2-[(4-bromo-3-methylpyrazol-1-yl)methoxy]ethyltrimethylsilane

Conditions
ConditionsYield
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran at 25℃; for 4h;
44.22%
2-bromo-1,3-thiazole
3034-53-5

2-bromo-1,3-thiazole

4-bromo-3-methyl-1H-pyrazole
13808-64-5

4-bromo-3-methyl-1H-pyrazole

C7H6BrN3S

C7H6BrN3S

Conditions
ConditionsYield
Stage #1: 4-bromo-3-methyl-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 2-bromo-1,3-thiazole In N,N-dimethyl-formamide at 20 - 90℃;
42%

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