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Dayang Chem (Hangzhou) Co.,Ltd.

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hefei TNJ chemical industry co.,ltd

CAS#: 930-36-9 Molecular formula: C4H6N2 Molecular weight: 82.1 Structural formula: Appearance: colorless liquid Quality standard: ≥98.0%GC Moisture: ≤0.5% Appearance:fine white powder Storage:stored in cool and dry place Package:25k

1-methyl pyrazole

Cas:930-36-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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 1-Methyl Pyrazole

Cas:930-36-9

Min.Order:1

Negotiable

Type:Other

inquiry

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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-1H-pyrazole

Cas:930-36-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

1-Methylpyrazole 930-36-9

Cas:930-36-9

Min.Order:1 Kilogram

Negotiable

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

Wholesale price CAS 930-36-9 with best price

Cas:930-36-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

1-Methyl Pyrazole 930-36-9

Cas:930-36-9

Min.Order:1 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,1-methyl- 930-36-9

Cas:930-36-9

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

Chemical Intermediate, 1-Methylpyrazole CAS:930-36-9

Cas:930-36-9

Min.Order:1 Kilogram

FOB Price: $98.0 / 110.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

1-Methylpyrazole CAS:930-36-9 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

1-Methylpyrazole CAS:930-36-9

Cas:930-36-9

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

1H-Pyrazole,1-methyl-

Cas:930-36-9

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.:930-36-9

Cas:930-36-9

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:0

Negotiable

Type:Manufacturers

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

1H-Pyrazole,1-methyl

Cas:930-36-9

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

METHYLPYRAZOLE

Cas:930-36-9

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:0

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

1-methyl-1H-pyrazole

Cas:930-36-9

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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

1-Methylpyrazole

Cas:930-36-9

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

1-methyl pyrazole

Cas:930-36-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

1-MethylpyrazoleAppearance:Pls see the Details Storage:Keep away of light, hot, water, Store in dry, dark and ventilated place Package:according to customers' requirements Application:Steroids, Cosmetics Ingredients, APIs, Intermediates, OLED&Battery

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Gram

Negotiable

Type:Other

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

1-methyl pyrazole CAS 930-36-9

Cas:930-36-9

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality Appearance:clear colorless to light yellow liquid 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:Used as Pharmaceutical Interme

1-Methylpyrazole

Cas:930-36-9

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,

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 1-Methylpyrazole CAS No.: 930-36-9 Molecule Formula:C4H6N2 Molecule Weight:82.10 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

Lower Price 1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 1-Methylpyrazole CAS: 930-36-9 MF: C4H6N2 MW: 82.1 EINECS: 618-896-2 Mol File: 930-36-9.mol 1-Methylpyrazole Structure 1-Methylpyrazole Chemical Properties Melting point 36.5°C (estimate) Boiling point 12

1-Methylpyrazole

Cas:930-36-9

Min.Order:1 Gram

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

1-methyl pyrazole CAS 930-36-9

Cas:930-36-9

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

1-Methylpyrazole

Cas:930-36-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

NH-pyrazole
288-13-1

NH-pyrazole

methyl iodide
74-88-4

methyl iodide

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With potassium hydroxide; tetrabutylammomium bromide at 0℃; for 6h;90%
With potassium tert-butylate; 18-crown-6 ether In diethyl ether for 1h; Ambient temperature;86%
With potassium hydroxide In water at 20 - 37℃;85%
1-methyl-1H-pyrazole-5-carboxylic acid
16034-46-1

1-methyl-1H-pyrazole-5-carboxylic acid

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
In neat (no solvent) at 235 - 250℃;81%
NH-pyrazole
288-13-1

NH-pyrazole

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
at 140℃; for 8h; atmospheric pressure;69%
at 115 - 140℃; for 8 - 9h;14%
NH-pyrazole
288-13-1

NH-pyrazole

dimethyl sulfate
77-78-1

dimethyl sulfate

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydroxide60%
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 20℃;53%
1-methyl-5-(trimethylsilyl)-1H-pyrazole
92524-99-7

1-methyl-5-(trimethylsilyl)-1H-pyrazole

butyraldehyde
123-72-8

butyraldehyde

A

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

B

5-(1-hydroxybutyl)-1-methylpyrazole
92525-22-9

5-(1-hydroxybutyl)-1-methylpyrazole

Conditions
ConditionsYield
cesium fluoride In N,N-dimethyl-formamide at 50℃; for 1.33333h;A 30%
B 10%
NH-pyrazole
288-13-1

NH-pyrazole

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydroxide; dimethyl sulfate
4-bromo-1-methyl-1H-pyrazole
15803-02-8

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

n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

diethyl ether
60-29-7

diethyl ether

A

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

B

1-methyl-1H-pyrazole-4-carboxylic acid
5952-92-1

1-methyl-1H-pyrazole-4-carboxylic acid

Conditions
ConditionsYield
anschl. mit CO2 bei -70grad;
malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With ethanol; methylhydrazine sulfuric acid
1,2-dimethyl-1H-pyrazol-2-ium iodide
26429-26-5

1,2-dimethyl-1H-pyrazol-2-ium iodide

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
bei der trocknen Destillation;
bis(pyrazol-1-yl)methane
27258-04-4

bis(pyrazol-1-yl)methane

A

NH-pyrazole
288-13-1

NH-pyrazole

B

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

C

Tris(pyrazolyl)methane
80510-03-8

Tris(pyrazolyl)methane

Conditions
ConditionsYield
at 600 - 750℃; under 0.01 Torr;A 25.2 % Chromat.
B 10.0 % Chromat.
C 30.8 % Chromat.
at 600 - 750℃; under 0.01 Torr;A 25.2 % Chromat.
B 10 % Chromat.
C 30.8 % Chromat.
methyl iodide
74-88-4

methyl iodide

pyrazole silver

pyrazole silver

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With diethyl ether at 120℃; im Rohr;
4-bromo-1-methyl-1H-pyrazole
15803-02-8

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

diethyl ether
60-29-7

diethyl ether

phenyllithium
591-51-5

phenyllithium

A

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

B

1-methyl-1H-pyrazole-4-carboxylic acid
5952-92-1

1-methyl-1H-pyrazole-4-carboxylic acid

C

bromobenzene
108-86-1

bromobenzene

D

benzoic acid and 4-bromo-2-methyl-2H-pyrazole-3-carboxylic acid

benzoic acid and 4-bromo-2-methyl-2H-pyrazole-3-carboxylic acid

Conditions
ConditionsYield
anschl. mit CO2 bei -70grad;
methylpropargylhydrazine
7422-82-4

methylpropargylhydrazine

A

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

B

methyl-propa-1,2-dienyl-diazene

methyl-propa-1,2-dienyl-diazene

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane at 0℃;A 21 % Spectr.
B 65 % Spectr.
methyl-propa-1,2-dienyl-diazene

methyl-propa-1,2-dienyl-diazene

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
In benzene at 30℃;
pyridine
110-86-1

pyridine

1-methylpyrazolidine
16460-04-1

1-methylpyrazolidine

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With hydrogen sulfide
methanol
67-56-1

methanol

malonaldehydebis(dimethylacetal)
102-52-3

malonaldehydebis(dimethylacetal)

A

NH-pyrazole
288-13-1

NH-pyrazole

B

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
Stage #1: methanol With sulfuric acid; hydrazine hydrate at 0 - 25℃;
Stage #2: malonaldehydebis(dimethylacetal) at 68 - 69℃; for 2h;
Stage #3: With sodium hydroxide at 0 - 55℃;
A 82.2 %Chromat.
B 16.4 %Chromat.
NH-pyrazole
288-13-1

NH-pyrazole

methylene chloride
74-87-3

methylene chloride

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydroxide In methanol at 50 - 55℃; under 1551.49 - 2585.81 Torr; for 6h;16.4 %Chromat.
NH-pyrazole
288-13-1

NH-pyrazole

sodium methylate
124-41-4

sodium methylate

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With carbonic acid dimethyl ester Reflux;
methyl 3-methoxyprop-2-enoate
34846-90-7

methyl 3-methoxyprop-2-enoate

methylhydrazine
60-34-4

methylhydrazine

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
In methanol for 16h; Inert atmosphere; Reflux;
4-iodo-1-methyl-1H-pyrazole
39806-90-1

4-iodo-1-methyl-1H-pyrazole

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
With methanol; sodium tetrahydroborate; Pd/AlO(OH); water at 20℃; for 1.5h; Sonication; Schlenk technique;> 95 %Chromat.
C4H6AuClN2

C4H6AuClN2

1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Conditions
ConditionsYield
In dimethyl sulfoxide
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

(1-methyl-1H-pyrazol-5-yl)boronic acid
720702-41-0

(1-methyl-1H-pyrazol-5-yl)boronic acid

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran at -78℃; for 1.5h;
Stage #2: With Triisopropyl borate In tetrahydrofuran at -78 - 0℃;
Stage #3: With hydrogenchloride; water In tetrahydrofuran pH=6;
100%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -78℃;
Stage #2: With Triisopropyl borate In tetrahydrofuran; hexane at -78 - 0℃;
Stage #3: With hydrogenchloride; water In tetrahydrofuran; hexane pH=6;
60%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at 5 - 20℃; for 1h;
Stage #2: With Trimethyl borate In tetrahydrofuran; hexane at -70℃; for 0.5h;
Stage #3: With ammonium chloride In tetrahydrofuran; hexane at -15 - 20℃; for 1h;
38%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h;
Stage #2: With Triisopropyl borate In tetrahydrofuran; hexane at -78 - 20℃;
Stage #3: With hydrogenchloride In water pH=6;
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

4-(2-methoxy-2-oxoethyl)-1-methyl-1H-1,2,4-triazol-4-ium bromide

4-(2-methoxy-2-oxoethyl)-1-methyl-1H-1,2,4-triazol-4-ium bromide

Conditions
ConditionsYield
for 72h;100%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

4-iodo-1-methyl-1H-pyrazole
39806-90-1

4-iodo-1-methyl-1H-pyrazole

Conditions
ConditionsYield
With iodine; iodic acid In tetrachloromethane; water; acetic acid at 50℃; for 1.5h;99%
With dihydrogen peroxide; iodine In water at 20℃; for 24h;91%
Stage #1: 1-methyl-1H-pyrazole With iodine for 0.166667h; Large scale;
Stage #2: With dihydrogen peroxide at 18 - 20℃; for 42.5h; Large scale;
91%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

[(norbornadiene)RhCl]2

[(norbornadiene)RhCl]2

Rh(1+)*Cl(1-)*C7H8*C3H3N2(CH3)*0.25CH2Cl2=[RhCl(C7H8)(C3H3N2(CH3))]*0.25CH2Cl2

Rh(1+)*Cl(1-)*C7H8*C3H3N2(CH3)*0.25CH2Cl2=[RhCl(C7H8)(C3H3N2(CH3))]*0.25CH2Cl2

Conditions
ConditionsYield
With CH2Cl2 In dichloromethane inert atmosphere; stirring (25°C, 2 h); solvent redn. (vac.), pptn. on hexane addn., filtn., washing (hexane), drying (vac.); elem. anal.;99%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

rhodium (II) octanoate dimer
73482-96-9

rhodium (II) octanoate dimer

[Rh2(octanoato)4(1-methylpyrazole)]
1268445-96-0

[Rh2(octanoato)4(1-methylpyrazole)]

Conditions
ConditionsYield
In chloroform (N2); a soln. of ligand added to Rh complex in CHCl3, stirred at room temp. for 1 h; evapd. (vac.); elem. anal.;99%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

rhodium (II) octanoate dimer
73482-96-9

rhodium (II) octanoate dimer

[Rh2(octanoato)4(1-methylpyrazole)2]
1268445-97-1

[Rh2(octanoato)4(1-methylpyrazole)2]

Conditions
ConditionsYield
In chloroform (N2); a soln. of ligand added to Rh complex in CHCl3, stirred at room temp. for 1 h; evapd. (vac.); elem. anal.;99%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

1-methyl-3-nitro-1H-pyrazole
54210-32-1

1-methyl-3-nitro-1H-pyrazole

Conditions
ConditionsYield
With silica-sulfuric acid impregnated with bismuth nitrate In tetrahydrofuran at 20℃; for 6h; Reagent/catalyst; Green chemistry;98%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

4-Octyne
1942-45-6

4-Octyne

C12H20N2

C12H20N2

Conditions
ConditionsYield
With bis(acetylacetonate)nickel(II); trimethylaluminum In hexane; toluene at 35℃; for 12h;96%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

1-methyl-3,4-dinitropyrazole
66296-67-1

1-methyl-3,4-dinitropyrazole

Conditions
ConditionsYield
With bismuth(III) nitrate In tetrahydrofuran at 20℃; for 12h;96%
With silica-sulfuric acid impregnated with bismuth nitrate In tetrahydrofuran at 20℃; for 6h; Reagent/catalyst; Green chemistry;92%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

di(rhodium)tetracarbonyl dichloride

di(rhodium)tetracarbonyl dichloride

cis-chloro(dicarbonyl)(1-methylpyrazole)rhodium(I)
1392329-57-5

cis-chloro(dicarbonyl)(1-methylpyrazole)rhodium(I)

Conditions
ConditionsYield
In dichloromethane at 20℃; for 6h; Inert atmosphere;96%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Fe(CO)2[o-{η2-(H-SiMe)2}C6H4][o-(SiMe)2C6H4]

Fe(CO)2[o-{η2-(H-SiMe)2}C6H4][o-(SiMe)2C6H4]

Fe(Me2SiC6H4SiMe2)(1-methylpyrazole)2(CO)2

Fe(Me2SiC6H4SiMe2)(1-methylpyrazole)2(CO)2

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 1h; Schlenk technique;96%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

1-methyl-4-((phenylethynyl)sulfonyl)benzene
28995-88-2

1-methyl-4-((phenylethynyl)sulfonyl)benzene

1-methyl-5-(phenylethynyl)-1H-pyrazole

1-methyl-5-(phenylethynyl)-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In diethyl ether; hexane at 0℃;
Stage #2: 1-methyl-4-((phenylethynyl)sulfonyl)benzene In diethyl ether for 0.25h; Inert atmosphere;
96%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

2,3,5,6-tetrafluoropyridine
2875-18-5

2,3,5,6-tetrafluoropyridine

C9H5F4N3

C9H5F4N3

Conditions
ConditionsYield
With chloro(dimethylsulfide) gold(I); silver(I) acetate; I,I-bis(acetoxy)iodobenzene In 1,4-dioxane at 100℃; for 15h; Inert atmosphere; regioselective reaction;96%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

(4-bromo-6-formyl-benzothiazol-2-yl)-carbamic Acid tert-butyl Ester
1155287-20-9

(4-bromo-6-formyl-benzothiazol-2-yl)-carbamic Acid tert-butyl Ester

{4-Bromo-6-[hydroxy-(2-methyl-2H-pyrazol-3-yl)-methyl]-benzothiazol-2-yl}-carbamic Acid tert-butyl Ester
1155287-24-3

{4-Bromo-6-[hydroxy-(2-methyl-2H-pyrazol-3-yl)-methyl]-benzothiazol-2-yl}-carbamic Acid tert-butyl Ester

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; methanol; hexane at -78 - 20℃; for 1.5h;
Stage #2: (4-bromo-6-formyl-benzothiazol-2-yl)-carbamic Acid tert-butyl Ester In tetrahydrofuran; hexane at -58 - 20℃; for 2h;
Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water
95%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

N,N-diethylacrylamide
2675-94-7

N,N-diethylacrylamide

(E)-N,N-diethyl-3-(1-methyl-1H-pyrazol-4-yl)acrylamide

(E)-N,N-diethyl-3-(1-methyl-1H-pyrazol-4-yl)acrylamide

Conditions
ConditionsYield
With 4,5-Diazafluoren-9-one; oxygen; palladium diacetate; trifluoroacetic acid; p-benzoquinone In 1,4-dioxane at 100℃; under 760.051 Torr; for 24h; regioselective reaction;95%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

2-bromoethylamine hydrobromide
2576-47-8

2-bromoethylamine hydrobromide

2-(2-aminoethyl)-1-methyl-1H-pyrazol-2-ium bromide hydrobromide

2-(2-aminoethyl)-1-methyl-1H-pyrazol-2-ium bromide hydrobromide

Conditions
ConditionsYield
In ethanol at 80℃; for 72h;94.3%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

Nonafluorobutanesulfonyl fluoride
375-72-4

Nonafluorobutanesulfonyl fluoride

A

N,N-dimethylimidazoliumperfluorobutylsulfonate

N,N-dimethylimidazoliumperfluorobutylsulfonate

B

dimethyldifluorosilane
353-66-2

dimethyldifluorosilane

Conditions
ConditionsYield
In diethyl ether 35°C , 24 h;A 94%
B n/a
In diethyl ether 35°C , 24 h;A 94%
B n/a
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

[Rh(CO)2(μ-I)]2

[Rh(CO)2(μ-I)]2

cis-iodo(dicarbonyl)(1-methylpyrazole)rhodium(I)
1392329-62-2

cis-iodo(dicarbonyl)(1-methylpyrazole)rhodium(I)

Conditions
ConditionsYield
In dichloromethane at -10.16 - 20℃; Inert atmosphere;94%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

3-bromopropylamine hydrochloride
5003-71-4

3-bromopropylamine hydrochloride

2-(3-aminopropyl)-1-methyl-1H-pyrazol-2-ium bromide hydrobromide

2-(3-aminopropyl)-1-methyl-1H-pyrazol-2-ium bromide hydrobromide

Conditions
ConditionsYield
In ethanol at 80℃; for 72h;93.2%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Triisopropyl borate
5419-55-6

Triisopropyl borate

(1-methyl-1H-pyrazol-5-yl)boronic acid
720702-41-0

(1-methyl-1H-pyrazol-5-yl)boronic acid

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran at -78℃; for 1.5h;
Stage #2: Triisopropyl borate In tetrahydrofuran at 20℃;
93%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexanes at -78℃; for 0.5h;
Stage #2: Triisopropyl borate In tetrahydrofuran; hexanes at -78 - 0℃; for 1h;
Stage #3: With hydrogenchloride In tetrahydrofuran; hexanes; water for 1h;
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

(4-fluorophenyl)(1-methyl-1H-pyrazol-5-yl)methanol
1020712-91-7

(4-fluorophenyl)(1-methyl-1H-pyrazol-5-yl)methanol

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran at -78℃; for 0.0833333h;
Stage #2: 4-fluorobenzaldehyde In tetrahydrofuran at -78 - 20℃; for 1h;
Stage #3: With ammonium chloride In water
93%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

Trimethyl borate
121-43-7

Trimethyl borate

(1-methyl-1H-pyrazol-5-yl)boronic acid
720702-41-0

(1-methyl-1H-pyrazol-5-yl)boronic acid

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃; for 4h;
Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -70℃;
93%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

1-methylpyrazole hydrobromide

1-methylpyrazole hydrobromide

Conditions
ConditionsYield
With hydrogen bromide93%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

5-iodo-1-methyl-1H-pyrazole
34091-51-5

5-iodo-1-methyl-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With (PMDETA)2K2Mg(CH2SiMe3)4 at 0℃; for 2h; Inert atmosphere; Schlenk technique;
Stage #2: With iodine for 1h; Inert atmosphere; Schlenk technique; regioselective reaction;
92%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1.25h;
Stage #2: With iodine In tetrahydrofuran at 20℃; for 1h;
90%
Stage #1: 1-methyl-1H-pyrazole With (THF)Li(TMP)Zn(tBu)2 In tetrahydrofuran at 25℃; for 1h; Inert atmosphere;
Stage #2: With iodine In tetrahydrofuran at 25℃; for 1h; Inert atmosphere; regioselective reaction;
89%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

palladium dichloride

palladium dichloride

1,3-bis[2,6-diisopropylphenyl]imidazolium chloride
250285-32-6

1,3-bis[2,6-diisopropylphenyl]imidazolium chloride

C31H42Cl2N4Pd

C31H42Cl2N4Pd

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 80℃; for 18h; Inert atmosphere; Sealed tube;91%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

5-bromo-1-methyl-1H-pyrazole

5-bromo-1-methyl-1H-pyrazole

Conditions
ConditionsYield
With ferric(III) bromide; bromine In tert-butyl methyl ether at 0 - 20℃;90.5%
With n-butyllithium; bromine In tetrahydrofuran at -76 - -70℃; Inert atmosphere;47.5%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

5-Chloro-1-methylpyrazole
42110-76-9

5-Chloro-1-methylpyrazole

Conditions
ConditionsYield
With aluminum (III) chloride; chlorine In tert-butyl methyl ether at 0 - 20℃;90.5%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

1-methyl-1H-pyrazole-5-carbaldehyde
27258-33-9

1-methyl-1H-pyrazole-5-carbaldehyde

Conditions
ConditionsYield
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 2.5h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -20℃; for 1h;
90%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 2.5h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -20℃; for 1h;
90%
Stage #1: 1-methyl-1H-pyrazole With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane for 1h; Inert atmosphere;
58%
1-methyl-1H-pyrazole
930-36-9

1-methyl-1H-pyrazole

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

1-methyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole
847818-74-0

1-methyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole

Conditions
ConditionsYield
Stage #1: 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane With C26H50CoN4O2 at 20℃; for 0.0833333h; Inert atmosphere; Glovebox;
Stage #2: 1-methyl-1H-pyrazole at 80℃; for 48h; Inert atmosphere; Sealed tube;
90%

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