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Siwei Development Group Ltd.

Product name: Pyrazole CAS No.:288-13-1 Molecule Formula:C3H4N2 Molecule Weight:68.0773 Purity: 99.6% Package: 25kg/bag/carton Description:White or light yellow crystalline powder Manufacture Standards:Enterprise Standard

Best quality Pyrazole

Cas:288-13-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Pyrazole Manufacturer/High quality/Best price/In stock

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Off-white powder Complies Assay 99%min 99

high purity Pyrazole 288-13-1

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $1.9 / 2.5

Type:Trading Company

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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 Pyrazole supplier in China

Cas:288-13-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name Pyrazole CAS number 288-13-1 Assay ≥99% Appearance White crystal Capacity 200mt/year Application Pharmaceutical/dye intermediate Mo

Pyrazole

Cas:288-13-1

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

TNJ is a chemical company since 2001. Our specialization, your Confidence ! We keep committing to meet the needs of both market and customers with our innovative technology, high stable quality products and excellent service. We always combine econ

Pyrazole

Cas:288-13-1

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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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 Pyrazole

Cas:288-13-1

Min.Order:1

Negotiable

Type:Other

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Wuhan Fortuna Chemical Co.,Ltd

1.Product name:Pyrazole 2.CAS:288-13-1 3.MF:C3H4N2 4.MW:68.08 5.Appearance:white powder 6.Assay:99%MIN Name Pyrazole Synonyms 1,2-Diazole; 1H-Pyrazole

Pyrazole cas 288-13-1

Cas:288-13-1

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

Pyrazole

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $5.0

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

Pyrazole

Cas:288-13-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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

Pyrazole

Cas:288-13-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Pyrazole Basic information Product Name: Pyrazole Synonyms: 1H-Pyrazol;1H-PYRAZOLE;1,2-DIAZOL;1,2-DIAZOLE;PYRAZOLE;PYRAZOL;Pyrazole(Rri124)~99%;Pyrrazole CAS: 288-1

TIANFU-CHEM CAS:288-13-1 Pyrazole

Cas:288-13-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

Pyrazole CAS 288-13-1

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Wholesale price CAS 288-13-1 with best price

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name: Pyrazole CAS : 288-13-1 Appearance: White needle-like crystal Content: 99% Appearance: White needle-like crystal Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Pesticide Intermediate, Pharmaceuti

Pyrazole CAS:288-13-1

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading 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 or off-white powder Storage:Store in sealed containers

Pyrazole/Pyrrazole CAS 288-13-1

Cas:288-13-1

Min.Order:100 Gram

Negotiable

Type:Other

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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

Pyrazole 288-13-1

Cas:288-13-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Dye intermediate, Pyrazole CAS:288-13-1

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $78.9 / 84.3

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Pyrazole CAS: 288-13-1 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 intermediates, st

Pyrazole CAS: 288-13-1

Cas:288-13-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Pyrazole

Cas:288-13-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Superiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail

low price factory supply 99% Pyrazole CAS:288-13-1

Cas:288-13-1

Min.Order:100 Kilogram

Negotiable

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

CAS NO.:288-13-1

Cas:288-13-1

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

Pyrazole

Cas:288-13-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

Pyrazole

Cas:288-13-1

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

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

Pyrazole

Cas:288-13-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

Pyrazole

Cas:288-13-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

PYRAZOLE 288-13-1

Cas:288-13-1

Min.Order:1 Gram

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

Pyrazole

Cas:288-13-1

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

High quality Pyrazole

Cas:288-13-1

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:colourless crystals Storage:sealed and stored Package:25kg/Drum Application:The pyrazolo as medicine, pesticide intermediates, and also as the side chain of the of certain phot Trans

Pyrazole

Cas:288-13-1

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Synthetic route

tert-butyl 1H-pyrazole-1-carboxylate
219580-32-2

tert-butyl 1H-pyrazole-1-carboxylate

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
In methanol at 120℃; under 5171.62 Torr; for 0.333333h; Microwave irradiation;99%
With water at 100℃; for 0.166667h;99%
With sodium carbonate In 1,2-dimethoxyethane; water for 0.25h; Heating;60%
ethyl 2-(difluoroacetyl)-3-(dimethylamino)acrylate

ethyl 2-(difluoroacetyl)-3-(dimethylamino)acrylate

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With sodium hydroxide In water95.8%
With potassium hydroxide In water91.4%
4-iodopyrazole
3469-69-0

4-iodopyrazole

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With sodium sulfite In water at 130℃; for 1h; Sealed tube; Microwave irradiation; Green chemistry;94%
methylhydrazine
60-34-4

methylhydrazine

A

NH-pyrazole
288-13-1

NH-pyrazole

B

ethyl 2-(difluoroacetyl)-3-(dimethylamino)acrylate

ethyl 2-(difluoroacetyl)-3-(dimethylamino)acrylate

Conditions
ConditionsYield
In water; tolueneA 93.6%
B n/a
glycerol
56-81-5

glycerol

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
Stage #1: glycerol With hydrazine hydrate; potassium iodide; sodium iodide under 3750.38 Torr; for 0.5h; Large scale;
Stage #2: With sulfuric acid at 160℃; for 2h; Temperature; Pressure; Large scale;
91.1%
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With sodium sulfite In water at 130℃; for 5h; Sealed tube; Microwave irradiation; Green chemistry;91%
malonaldehydebis(dimethylacetal)
102-52-3

malonaldehydebis(dimethylacetal)

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With hydrazine hydrate; acetic acid at 85℃; for 1.5h;90%
(Z)-1-(2-methyl-4,5-diphenylpent-4-en-2-yl)-1H-pyrazole

(Z)-1-(2-methyl-4,5-diphenylpent-4-en-2-yl)-1H-pyrazole

A

NH-pyrazole
288-13-1

NH-pyrazole

B

(Z)-(4-methylpenta-1,3-diene-1,2-diyl)dibenzene

(Z)-(4-methylpenta-1,3-diene-1,2-diyl)dibenzene

Conditions
ConditionsYield
With n-butyllithium In hexane; tert-butyl methyl ether at 20℃; for 0.05h; Catalytic behavior; Temperature; Inert atmosphere;A n/a
B 87%
3-nitropyridone
6332-56-5

3-nitropyridone

A

NH-pyrazole
288-13-1

NH-pyrazole

B

carbonodihydrazide
497-18-7

carbonodihydrazide

Conditions
ConditionsYield
With hydrazine hydrate at 90 - 95℃; for 7h;A 74%
B 75%
With hydrazine hydrate at 90 - 95℃; for 7h; Product distribution; also 3,5-dinitropyridone investigated;A 74%
B 75%
2-methyl-3-(1H-pyrazol-1-yl)propanoic acid

2-methyl-3-(1H-pyrazol-1-yl)propanoic acid

A

NH-pyrazole
288-13-1

NH-pyrazole

B

5-methyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-4-one

5-methyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-4-one

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran -78 deg C 15 min, -45 deg C 1 h and room t., 3.5 h;A 75%
B 22%
malonaldehydebis(dimethylacetal)
102-52-3

malonaldehydebis(dimethylacetal)

1,1,3-trimethoxy-3-acethoxypropane
98561-07-0

1,1,3-trimethoxy-3-acethoxypropane

1,3-diacetoxy-1,3-dimethoxy-propane
15874-25-6

1,3-diacetoxy-1,3-dimethoxy-propane

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With hydrogenchloride; hydrazine hydrochloride In water at 30℃; for 1h;69%
N,N-dimethyl-1H-pyrazole-1-sulfonamide
133228-21-4

N,N-dimethyl-1H-pyrazole-1-sulfonamide

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With hydrogenchloride for 21h; Heating;62%
Dimethyldisulphide
624-92-0

Dimethyldisulphide

1,2-bis(1H-pyrazol-1-yl)ethane
92146-02-6

1,2-bis(1H-pyrazol-1-yl)ethane

A

NH-pyrazole
288-13-1

NH-pyrazole

B

1-vinylpyrazole
20173-98-2

1-vinylpyrazole

C

5-methylthio-1-vinylpyrazole

5-methylthio-1-vinylpyrazole

D

1-(5-methylthiopyrazol-1-yl)-2-pyrazol-1-ylethane

1-(5-methylthiopyrazol-1-yl)-2-pyrazol-1-ylethane

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane 1.) 0 deg C, 1 h; 2.) room temp., 14 h; Yields of byproduct given;A 62%
B n/a
C n/a
D n/a
With n-butyllithium In tetrahydrofuran; hexane 1.) 0 deg C, 1 h; 2.) room temp., 14 h; Yields of byproduct given;A n/a
B n/a
C 12%
D n/a
With n-butyllithium In tetrahydrofuran; hexane 1.) 0 deg C, 1 h; 2.) room temp., 14 h; Yields of byproduct given;A n/a
B n/a
C n/a
D 2%
With n-butyllithium In tetrahydrofuran; hexane Product distribution; 1.) 0 deg C. 1 h; 2.) room temp., 14 h; varying amounts of reag.;
(1-chloro-2-methylpropylidene)methane-1,1-dicarbonitrile
40797-97-5

(1-chloro-2-methylpropylidene)methane-1,1-dicarbonitrile

(2,6-dichlorophenyl)hydrazine monohydrochloride
50709-36-9

(2,6-dichlorophenyl)hydrazine monohydrochloride

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With sodium hydrogencarbonate; triethylamine In tetrahydrofuran62%
With sodium hydrogencarbonate; triethylamine In tetrahydrofuran62%
Metazachlor
67129-08-2

Metazachlor

A

NH-pyrazole
288-13-1

NH-pyrazole

B

4,4'-methylenebis(2,6-dimethylaniline)
4073-98-7

4,4'-methylenebis(2,6-dimethylaniline)

Conditions
ConditionsYield
hydrogenchloride In water for 8h; Heating;A 59%
B 35%
gem-dichlorocyclopropanol
42039-22-5

gem-dichlorocyclopropanol

NH-pyrazole
288-13-1

NH-pyrazole

Conditions
ConditionsYield
With hydrazine; dibenzo-18-crown-6 In ethanol58%
NH-pyrazole
288-13-1

NH-pyrazole

3,6-dichlorpyridazine
141-30-0

3,6-dichlorpyridazine

3,6‑di(pyrazol‑1‑yl)pyridazine
79091-11-5

3,6‑di(pyrazol‑1‑yl)pyridazine

Conditions
ConditionsYield
With sodium hydride In 1,4-dioxane at 20℃; for 24h;100%
Stage #1: NH-pyrazole With sodium hydride In N,N-dimethyl-formamide for 1h; Inert atmosphere;
Stage #2: 3,6-dichlorpyridazine In N,N-dimethyl-formamide at 0 - 20℃; for 13h; Inert atmosphere;
86%
In ethanol for 2h; Heating;65%
NH-pyrazole
288-13-1

NH-pyrazole

Hexafluorobenzene
392-56-3

Hexafluorobenzene

hexakis(pyrazol-1-yl)benzene
148807-09-4

hexakis(pyrazol-1-yl)benzene

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran for 6h; Product distribution; Mechanism; Heating; other diazole sodium salts, var solvents, var. time, var. temp.;100%
With sodium hydride In tetrahydrofuran for 6h; Heating;91%
With sodium hydride 1.) THF, 65 deg C, 2.) THF, reflux, 6 h; Yield given. Multistep reaction;
NH-pyrazole
288-13-1

NH-pyrazole

3-fluoro-6-nitrotoluene
446-33-3

3-fluoro-6-nitrotoluene

1-(3-methyl-4-nitrophenyl)-1H-pyrazole
102792-12-1

1-(3-methyl-4-nitrophenyl)-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 100℃;100%
With sodium carbonate In N,N-dimethyl-formamide at 100℃;
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%
NH-pyrazole
288-13-1

NH-pyrazole

sodium pyrazolide
40958-82-5

sodium pyrazolide

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran100%
With sodium hydride In tetrahydrofuran for 0.5h;
With sodium hydride
With sodium hydroxide In diethylene glycol dimethyl ether; water; toluene at 40 - 80℃; Inert atmosphere; Large scale reaction;
With sodium hydroxide In ethanol; water at 20℃; for 3h;
NH-pyrazole
288-13-1

NH-pyrazole

iodobenzene
591-50-4

iodobenzene

1-phenylpyrazole
1126-00-7

1-phenylpyrazole

Conditions
ConditionsYield
With copper; caesium carbonate; iron(III)-acetylacetonate In N,N-dimethyl-formamide at 100℃; for 15h;100%
With copper(II) acetate monohydrate; caesium carbonate In N,N-dimethyl-formamide at 110℃; for 24h; Inert atmosphere;99%
With caesium carbonate In dimethyl sulfoxide at 120℃; Inert atmosphere;99%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

NH-pyrazole
288-13-1

NH-pyrazole

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole
449758-17-2

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole

Conditions
ConditionsYield
With trifluoroacetic acid Heating;100%
at 125℃; for 24h; Green chemistry;100%
With trifluoroacetic acid at 100℃; for 12h; Inert atmosphere;100%
NH-pyrazole
288-13-1

NH-pyrazole

1-(4-bromophenyl)-1H-pyrazole
13788-92-6

1-(4-bromophenyl)-1H-pyrazole

1-[4-(1H-pyrazol-1-yl)phenyl]-1H-pyrazole
67673-42-1

1-[4-(1H-pyrazol-1-yl)phenyl]-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate; copper(I) oxide; trans-N,N'-bis(pyridin-2-ylmethylene)cyclohexane-1,2-diamine In acetonitrile at 82℃; for 48h; Conversion of starting material;100%
With caesium carbonate; copper(I) oxide In acetonitrile at 82℃; for 48h;91%
NH-pyrazole
288-13-1

NH-pyrazole

Isobutyl bromide
78-77-3

Isobutyl bromide

1-isobutyl-1H-pyrazole
725746-81-6

1-isobutyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydroxide; tetrabutylammomium bromide In water; methyl cyclohexane at 110℃; for 5.5h; Product distribution / selectivity; Heating / reflux;100%
With potassium hydroxide In ethanol at 78℃; for 1.5h;64%
NH-pyrazole
288-13-1

NH-pyrazole

4-tolyl iodide
624-31-7

4-tolyl iodide

1-(4-methylphenyl)-1H-pyrazole
20518-17-6

1-(4-methylphenyl)-1H-pyrazole

Conditions
ConditionsYield
With copper(II) acetate monohydrate; caesium carbonate In N,N-dimethyl-formamide at 110℃; for 24h; Inert atmosphere;100%
With Cu6[1,4-bis(imidazol-1-yl)butane]3I6; caesium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; Inert atmosphere;97%
With copper(II) acetate monohydrate; caesium carbonate In N,N-dimethyl-formamide at 110℃; for 24h; Inert atmosphere;96%
NH-pyrazole
288-13-1

NH-pyrazole

{(C2H5)2B(C3H3N2)2}Mo(CO)2(C3H5)

{(C2H5)2B(C3H3N2)2}Mo(CO)2(C3H5)

{(C2H5)2B(C3H3N2)2}Mo(CO)2(C3H5)(C3H4N2)

{(C2H5)2B(C3H3N2)2}Mo(CO)2(C3H5)(C3H4N2)

Conditions
ConditionsYield
100%
100%
NH-pyrazole
288-13-1

NH-pyrazole

diethylboryl-pivalate
34574-27-1

diethylboryl-pivalate

2,2-dimethylpropanoyloxydiethylborane pyrazole complex
217324-49-7

2,2-dimethylpropanoyloxydiethylborane pyrazole complex

Conditions
ConditionsYield
In chloroform Ar-atmosphere; dropwise addn. of pyrazole to equimolar amt. of B-compd.(0°C); solvent removal (vac.);100%
NH-pyrazole
288-13-1

NH-pyrazole

trimethyl gallium
1445-79-0

trimethyl gallium

1-dimethylgallylpyrazole
79422-25-6

1-dimethylgallylpyrazole

Conditions
ConditionsYield
In benzene byproducts: CH4; under argon atm., reflux, 1 h; evapn. of solvent;100%
NH-pyrazole
288-13-1

NH-pyrazole

2-fluoro-4-methoxy-1-nitro-benzene
446-38-8

2-fluoro-4-methoxy-1-nitro-benzene

1-(5-methoxy-2-nitro-phenyl)-1H-pyrazole
1022974-77-1

1-(5-methoxy-2-nitro-phenyl)-1H-pyrazole

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In tetrahydrofuran at 0℃; for 0.216667h;
Stage #2: 2-fluoro-4-methoxy-1-nitro-benzene In tetrahydrofuran at 20℃; for 0.35h;
100%
NH-pyrazole
288-13-1

NH-pyrazole

5-sec-butyl-4-chloro-6-methyl-2-methylsulfonylpyrimidine
944740-28-7

5-sec-butyl-4-chloro-6-methyl-2-methylsulfonylpyrimidine

5-sec-butyl-4-chloro-6-methyl-2-(1H-pyrazol-1-yl)pyrimidine
944740-29-8

5-sec-butyl-4-chloro-6-methyl-2-(1H-pyrazol-1-yl)pyrimidine

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In tetrahydrofuran at 0 - 20℃; for 0.5h;
Stage #2: 5-sec-butyl-4-chloro-6-methyl-2-methylsulfonylpyrimidine In tetrahydrofuran at -70℃; for 0.166667h;
100%
NH-pyrazole
288-13-1

NH-pyrazole

4-Fluorobenzyl bromide
459-46-1

4-Fluorobenzyl bromide

1-(4-fluorobenzyl)-1H-pyrazole
500367-31-7

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

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In DMF (N,N-dimethyl-formamide) at 20℃; for 1h;
Stage #2: 4-Fluorobenzyl bromide In DMF (N,N-dimethyl-formamide) for 1h;
Stage #3: With water In DMF (N,N-dimethyl-formamide) at 0℃;
100%
Stage #1: NH-pyrazole With sodium hydride In dimethyl sulfoxide; mineral oil at 20℃;
Stage #2: 4-Fluorobenzyl bromide In dimethyl sulfoxide; mineral oil at 50℃;
84%
NH-pyrazole
288-13-1

NH-pyrazole

3-methanesulfonyloxymethyl-azetidine-1-carboxylic acid tert-butyl ester
142253-57-4

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

3-pyrazol-1-ylmethyl-azetidine-1-carboxylic acid tert-butyl ester
1228230-84-9

3-pyrazol-1-ylmethyl-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: 3-methanesulfonyloxymethyl-azetidine-1-carboxylic acid tert-butyl ester In tetrahydrofuran; mineral oil at 0 - 20℃; for 16h;
100%
Stage #1: NH-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 1h;
Stage #2: 3-methanesulfonyloxymethyl-azetidine-1-carboxylic acid tert-butyl ester In N,N-dimethyl-formamide; mineral oil at 20℃; for 16h;
76%
NH-pyrazole
288-13-1

NH-pyrazole

3-chlorofluorobenzene
625-98-9

3-chlorofluorobenzene

1-(3-chloro-phenyl)-1H-pyrazole
57211-65-1

1-(3-chloro-phenyl)-1H-pyrazole

Conditions
ConditionsYield
With potassium phosphate In N,N-dimethyl-formamide at 190℃; for 1h; Microwave irradiation;100%
NH-pyrazole
288-13-1

NH-pyrazole

tert-butyl ((ethylthio)(phenyl)methyl)carbamate
1323902-49-3

tert-butyl ((ethylthio)(phenyl)methyl)carbamate

tert-butyl (phenyl(1H-pyrazol-1-yl)methyl)carbamate
1612786-59-0

tert-butyl (phenyl(1H-pyrazol-1-yl)methyl)carbamate

Conditions
ConditionsYield
With N-iodo-succinimide In dichloromethane at -78℃; for 0.0833333h; Friedel-Crafts Alkylation; Sealed tube; Inert atmosphere; chemoselective reaction;100%
With tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; tert-butyl alcohol In acetonitrile at 20℃; for 24h; Irradiation;60%
NH-pyrazole
288-13-1

NH-pyrazole

1,1-dimethylethyl (2R,4S)-4-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-2-{[(methylsulfonyl)oxy]methyl}-1-pyrrolidinecarboxylate
924907-62-0

1,1-dimethylethyl (2R,4S)-4-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-2-{[(methylsulfonyl)oxy]methyl}-1-pyrrolidinecarboxylate

C19H35N3O3Si
1432128-64-7

C19H35N3O3Si

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil for 0.166667h; Cooling with ice;
Stage #2: 1,1-dimethylethyl (2R,4S)-4-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-2-{[(methylsulfonyl)oxy]methyl}-1-pyrrolidinecarboxylate In N,N-dimethyl-formamide; mineral oil at 60℃; for 1.5h;
100%
NH-pyrazole
288-13-1

NH-pyrazole

2,4-dichloro-1-iodo-benzene
29898-32-6

2,4-dichloro-1-iodo-benzene

1-(2,4-dichlorophenyl)-1H-pyrazole

1-(2,4-dichlorophenyl)-1H-pyrazole

Conditions
ConditionsYield
With copper(l) iodide; caesium carbonate In N,N-dimethyl-formamide at 180℃; for 0.5h; Inert atmosphere; Microwave irradiation;100%
NH-pyrazole
288-13-1

NH-pyrazole

copper(ll) sulfate pentahydrate

copper(ll) sulfate pentahydrate

tetra(n-butyl)ammonium hydroxide
2052-49-5

tetra(n-butyl)ammonium hydroxide

(Bu4N)2[SO4{Cu(OH)(pyrazole)}31]

(Bu4N)2[SO4{Cu(OH)(pyrazole)}31]

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran for 72h;100%
NH-pyrazole
288-13-1

NH-pyrazole

sodium hydride
7646-69-7

sodium hydride

phenylboronic acid
98-80-6

phenylboronic acid

sodium phenyltris(pyrazolyl)borate
80583-77-3

sodium phenyltris(pyrazolyl)borate

Conditions
ConditionsYield
at 200℃; for 0.25h; Microwave irradiation; Inert atmosphere;100%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

NH-pyrazole
288-13-1

NH-pyrazole

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole
449758-17-2

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole

Conditions
ConditionsYield
With trifluoroacetic acid at 100℃; for 12h;100%
NH-pyrazole
288-13-1

NH-pyrazole

7-(bromomethyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one
691857-35-9

7-(bromomethyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

7-((1H-pyrazol-1-yl)methyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

7-((1H-pyrazol-1-yl)methyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 2h;100%
NH-pyrazole
288-13-1

NH-pyrazole

acrylic acid n-butyl ester
141-32-2

acrylic acid n-butyl ester

butyl 3-(1H-pyrazol-1-yl)propanoate

butyl 3-(1H-pyrazol-1-yl)propanoate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 20℃;100%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 25℃; for 12h;88%
NH-pyrazole
288-13-1

NH-pyrazole

methyl cyanoformate
17640-15-2

methyl cyanoformate

pyrazole-1-carboxylic acid methyl ester
28188-08-1

pyrazole-1-carboxylic acid methyl ester

Conditions
ConditionsYield
With C14H18N2 (14)99%
With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene for 2h; Ambient temperature;95%
NH-pyrazole
288-13-1

NH-pyrazole

dimethylamino sulfonyl chloride
13360-57-1

dimethylamino sulfonyl chloride

N,N-dimethyl-1H-pyrazole-1-sulfonamide
133228-21-4

N,N-dimethyl-1H-pyrazole-1-sulfonamide

Conditions
ConditionsYield
Stage #1: NH-pyrazole With sodium hydride In tetrahydrofuran at 20℃; for 1h;
Stage #2: dimethylamino sulfonyl chloride In tetrahydrofuran for 1.5h;
99%
Stage #1: NH-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.5h; Inert atmosphere;
Stage #2: dimethylamino sulfonyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.5h; Inert atmosphere;
99%
With sodium hydride In tetrahydrofuran; mineral oil for 1.33333h; Inert atmosphere;91%
NH-pyrazole
288-13-1

NH-pyrazole

N-aminopyrazole
3994-46-5

N-aminopyrazole

Conditions
ConditionsYield
With sodium hydroxide; hydroxylamine-O-sulfonic acid In water for 0.5h; Ambient temperature;99%
With potassium hydroxide; hydroxylamine-O-sulfonic acid for 15h; Ambient temperature;42%
With potassium hydroxide; aminosulfonic acid at 70℃;
NH-pyrazole
288-13-1

NH-pyrazole

Cyclopentyl bromide
137-43-9

Cyclopentyl bromide

1-cyclopentyl-1H-pyrazole

1-cyclopentyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydrogencarbonate at 120℃; for 12h;99%
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