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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

1H-Pyrazole-4-carboxaldehyde Manufacturer/High quality/Best price/In stock

Cas:35344-95-7

Min.Order:1 Kilogram

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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 1H-Pyrazole-4-Carbaldehyde supplier in China

Cas:35344-95-7

Min.Order:1 Metric Ton

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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

1H-Pyrazole-4-Carbaldehyde

Cas:35344-95-7

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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

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

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Henan Tianfu Chemical Co., Ltd.

Product Name: 1H-Pyrazole-4-carboxaldehyde Synonyms: 1H-Pyrazole-4-carbaldehyde(HCl forM);1H-Pyrazol-4-carbaldehyde;1H-Pyrazole-4-carbaldehyde≥ 95% (HPLC);4-Formyl-pyrazole;4-Pyrazolecarboxaldehyde;1H-PYRAZOLE-4-CARBALDEHYDE;1H-PYRAZOLE-4-CARBO

1H-Pyrazole-4-carboxaldehyde 35344-95-7

Cas:35344-95-7

Min.Order:1 Kilogram

FOB Price: $230.0

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Hebei Nengqian Chemical Import and Export Co., LTD

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

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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Zhuozhou Wenxi import and Export Co., Ltd

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

Pharmaceutical Grade CAS 35344-95-7 with competitive price

Cas:35344-95-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the

1H-Pyrazole-4-carboxaldehyde/ LIDE PHARMA- Factory supply / Best price

Cas:35344-95-7

Min.Order:1 Kilogram

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Qingdao Beluga Import and Export Co., LTD

1H-Pyrazole-4-carboxaldehyde CAS:35344-95-7 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 org

1H-Pyrazole-4-carboxaldehyde CAS:35344-95-7

Cas:35344-95-7

Min.Order:1 Gram

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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-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Kilogram

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:35344-95-7

Cas:35344-95-7

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Xiamen Hisunny Chemical Co.,Ltd

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

1H-Pyrazole-4-Carbaldehyde

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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

1H-pyrazole-4-carbaldehyde

Cas:35344-95-7

Min.Order:4 Kilogram

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

1H-Pyrazole-4-Carbaldehyde

Cas:35344-95-7

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

1H-Pyrazole-4-carboxaldehyde Manufacturer/High quality/Best price/In stock CAS NO.35344-95-7

Cas:35344-95-7

Min.Order:10 Gram

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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,

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Kilogram

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Shanghai Minstar Chemical Co., Ltd

1H-Pyrazole-4-carboxaldehyde Basic information Product Name: 1H-Pyrazole-4-carboxaldehyde Synonyms: 4-Pyrazolecarboxaldehyde;1H-PYRAZOLE-4-CARBALDEHYDE;1H-PYRAZOLE-4-CARBOXALDEHYDE;AKOS BB-9811;1H-Pyrazole-4-carboxaldeh...;4-pyrazolylcarboxalde

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Kilogram

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:0 Metric Ton

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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

1H-Pyrazole-4-carboxaldehyde

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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

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Gram

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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

35344-95-7 CAS NO.35344-95-7

Cas:35344-95-7

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

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Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

1H-pyrazole-4-carbaldehyde

Cas:35344-95-7

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Win-Win chemical Co.Ltd

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

1H-Pyrazole-4-carbaldehyde cas no. 35344-95-7 98%

Cas:35344-95-7

Min.Order:0

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Suzhou Sibian Chemical Technology Co., Ltd

The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

Min.Order:1 Gram

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GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

1H-Pyrazole-4-carbaldehyde

Cas:35344-95-7

Min.Order:0

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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

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

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DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

1H-Pyrazole-4-carboxaldehyde

Cas:35344-95-7

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Type:Trading Company

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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 1H-Pyrazole-4-carbaldehyde 100g

Cas:35344-95-7

Min.Order:1 bottle

Negotiable

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Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

1,2,3,4-TETRAHYDRO-NAPHTHALENE-1-CARBOTHIOIC ACID HYDRAZIDE

Cas:35344-95-7

Min.Order:0

Negotiable

Type:Manufacturers

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Aecochem Corp.

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

1H-Pyrazole-4-Carbaldehyde

Cas:35344-95-7

Min.Order:0

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Synthetic route

4-ethoxycarbonylpyrazole
37622-90-5

4-ethoxycarbonylpyrazole

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With n-butyllithium; diisobutylaluminium hydride; tert-butyl alcohol In tetrahydrofuran; hexane at 0℃;97%
triformylmethane
18655-47-5

triformylmethane

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With hydrazine hydrate In methanol at 20℃; for 5h;87%
With hydrogenchloride; hydrazine hydrate In methanol for 22h; Ambient temperature;52%
With hydrogenchloride; hydrazine hydrate In methanol for 22h; Ambient temperature; other hydrazines and amidines;52%
With hydrogenchloride; hydrazine In methanol at 20℃; for 22h;
(1H-pyrazol-4-yl)-methanol
25222-43-9

(1H-pyrazol-4-yl)-methanol

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With manganese(IV) oxide In acetone at 60℃; for 4h;52.33%
With manganese(IV) oxide In acetone at 20 - 60℃;
4-bromo-1H-pyrazole
2075-45-8

4-bromo-1H-pyrazole

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

N,N-dimethyl-formamide

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: 4-bromo-1H-pyrazole With tert.-butyl lithium In tetrahydrofuran; hexane at -78 - 20℃; for 3.5h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at 20℃;
41%
1-(1-ethoxyethyl)-1H-pyrazole-4-carbaldehyde

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

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane at 60℃;0.4 g
1-(4-methoxybenzyl)-1H-pyrazole-4-carbaldehyde
153687-35-5

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

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With trifluoroacetic acid for 2h; Heating / reflux;
N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

acetaldehyde semicarbazone
591-86-6

acetaldehyde semicarbazone

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 0℃; for 1h;
Stage #2: acetaldehyde semicarbazone at 80℃; for 1.5h;
C9H6N6O5

C9H6N6O5

A

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

B

6-nitro-<1,2,5>oxadiazolo<3,4-b>pyridine 1-oxide
112253-17-5

6-nitro-<1,2,5>oxadiazolo<3,4-b>pyridine 1-oxide

Conditions
ConditionsYield
In dimethylsulfoxide-d6
1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-4-carboxaldehyde
1197943-43-3

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-4-carboxaldehyde

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With hydrogenchloride In water at 20℃; pH=< 1;6 g
2,2,2-trifluroethylamine hydrochloride
373-88-6

2,2,2-trifluroethylamine hydrochloride

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

(1H-pyrazol-4-ylmethylene)(2,2,2-trifluoroethyl)amine
1424799-64-3

(1H-pyrazol-4-ylmethylene)(2,2,2-trifluoroethyl)amine

Conditions
ConditionsYield
With sodium hydroxide In water; toluene at 20℃; Cooling with ice;100%
3-(bromomethyl)-1,1'-biphenyl
14704-31-5

3-(bromomethyl)-1,1'-biphenyl

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-([1,1'-biphenyl]-3-ylmethyl)-1H-pyrazole-4-carbaldehyde

1-([1,1'-biphenyl]-3-ylmethyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20℃;98%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

2-bromoethanol
540-51-2

2-bromoethanol

1-(2-hydroxyethyl)-1H-pyrazole-4-carbaldehyde
1082065-98-2

1-(2-hydroxyethyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 150℃; for 0.333333h; Microwave irradiation;97%
With potassium carbonate In acetonitrile at 150℃; for 0.333333h; Microwave irradiation;97%
With potassium carbonate In acetonitrile at 150℃; for 0.666667h; Sealed tube; Microwave irradiation;89%
With potassium carbonate In acetonitrile at 150℃; for 0.5h; Microwave irradiation;69%
p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(4-methoxybenzyl)-1H-pyrazole-4-carbaldehyde
153687-35-5

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

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 1h; Reflux;93.3%
para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde
37921-21-4

1-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With quebrachitol; copper; caesium carbonate In water; dimethyl sulfoxide at 100℃; Ullmann Condensation; Inert atmosphere; Green chemistry;93%
With D-galacturonic acid; potassium carbonate; copper(I) bromide In water; dimethyl sulfoxide at 80 - 100℃; Inert atmosphere; Green chemistry;93%
With copper; caesium carbonate; methyl-alpha-D-glucopyranoside In water; dimethyl sulfoxide at 100℃; Sealed tube; Green chemistry;90%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-4-carboxaldehyde
1197943-43-3

1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-4-carboxaldehyde

Conditions
ConditionsYield
With trifluoroacetic acid In tetrahydrofuran at 90℃; for 4h;92%
With toluene-4-sulfonic acid In dichloromethane at 20 - 60℃; for 10.5h;86%
aniline
62-53-3

aniline

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

C14H20N3O3P

C14H20N3O3P

Conditions
ConditionsYield
With Porcine Pancreas Lipase In neat (no solvent) at 45℃; for 4h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Enzymatic reaction;92%
4-chloromethyl-3,5-dimethylisoxazole
19788-37-5

4-chloromethyl-3,5-dimethylisoxazole

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(3,5-dimethylisoxazol-4-ylmethyl)-1H-pyrazole-4-carbaldehyde
1082065-96-0

1-(3,5-dimethylisoxazol-4-ylmethyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: 1H-pyrazole-4-carbaldehyde With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.333333h;
Stage #2: 4-chloromethyl-3,5-dimethylisoxazole In N,N-dimethyl-formamide at 20℃; for 18h;
91%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

(S)-tert-butyl 3-(methylsulfonyloxy)pyrrolidine-1-carboxylate
132945-75-6

(S)-tert-butyl 3-(methylsulfonyloxy)pyrrolidine-1-carboxylate

(R)-tert-butyl 3-(4-formyl-1H-pyrazol-1-yl)pyrrolidine-1-carboxylate

(R)-tert-butyl 3-(4-formyl-1H-pyrazol-1-yl)pyrrolidine-1-carboxylate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 100℃; for 18h;91%
p-phenylbenzyl bromide
2567-29-5

p-phenylbenzyl bromide

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-([1,1‘-biphenyl]-4-ylmethyl)-1H-pyrazole-4-carbaldehyde

1-([1,1‘-biphenyl]-4-ylmethyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: 1H-pyrazole-4-carbaldehyde With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.25h;
Stage #2: p-phenylbenzyl bromide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 1.58333h;
90.3%
para-difluorobenzene
540-36-3

para-difluorobenzene

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde

1-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde

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;90%
tetrahydrofuran
109-99-9

tetrahydrofuran

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(tetrahydrofuran-2-yl)-1H-pyrazole-4-carbaldehyde

1-(tetrahydrofuran-2-yl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With C24H42N3(1+)*ClO4(1-); lithium perchlorate; acetic acid In acetonitrile at 20℃; for 36h; Irradiation; Electrochemical reaction; Inert atmosphere;89%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

methyl iodide
74-88-4

methyl iodide

1-methylpyrazole-4-carbaldehyde
25016-11-9

1-methylpyrazole-4-carbaldehyde

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 60℃;87%
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 1h;80%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

C8H10N2O2

C8H10N2O2

Conditions
ConditionsYield
In toluene at 90℃; for 2h;87%
tert-butyl 6-((methylsulfonyl)oxy)-2-azaspiro[3.3]heptane-2-carboxylate
1239320-11-6

tert-butyl 6-((methylsulfonyl)oxy)-2-azaspiro[3.3]heptane-2-carboxylate

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

tert-butyl 6-(3-formylpyrazol-1-yl)-2-azaspiro[3.3]heptane-2-carboxylate

tert-butyl 6-(3-formylpyrazol-1-yl)-2-azaspiro[3.3]heptane-2-carboxylate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide for 16h; Heating;84.01%
cyclopropylcarbinyl bromide
7051-34-5

cyclopropylcarbinyl bromide

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(cyclopropylmethyl)-1H-pyrazole-4-carbaldehyde
1082065-99-3

1-(cyclopropylmethyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: 1H-pyrazole-4-carbaldehyde With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h;
Stage #2: cyclopropylcarbinyl bromide In N,N-dimethyl-formamide; mineral oil at 20℃; for 18h;
84%
Stage #1: 1H-pyrazole-4-carbaldehyde With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.333333h;
Stage #2: cyclopropylcarbinyl bromide In N,N-dimethyl-formamide at 0 - 20℃; for 18h;
56%
acrylonitrile
107-13-1

acrylonitrile

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

2-[hydroxy-(1H-pyrazol-4-yl)-methyl]-acrylonitrile

2-[hydroxy-(1H-pyrazol-4-yl)-methyl]-acrylonitrile

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; choline chloride; glycerol In water at 20℃; for 1.33333h; Morita-Baylis-Hillman Alkylation; Green chemistry;84%
p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(p-tolylsulfonyl)pyrazole-4-carbaldehyde
916257-05-1

1-(p-tolylsulfonyl)pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With pyridine In dichloromethane at 20℃; for 19h;84%
tert-butyl 3-bromopropionate
55666-43-8

tert-butyl 3-bromopropionate

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

tert-butyl 3-(4-formyl-1H-pyrazol-1-yl)propanoate

tert-butyl 3-(4-formyl-1H-pyrazol-1-yl)propanoate

Conditions
ConditionsYield
Stage #1: 1H-pyrazole-4-carbaldehyde With caesium carbonate In N,N-dimethyl-formamide at 0℃; for 0.25h; Inert atmosphere;
Stage #2: tert-butyl 3-bromopropionate In N,N-dimethyl-formamide at 100℃; for 16h; Inert atmosphere;
83%
1-((5-(5-(difluoromethyl)-1,3,4-oxadiazole-2-yl)pyridine-2-yl)methyl)-6-fluoro-3-(oxetan-3-yl)-5-(piperazine-1-yl)-1,3-dihydro-2H-benzo[d]imidazole-2-one

1-((5-(5-(difluoromethyl)-1,3,4-oxadiazole-2-yl)pyridine-2-yl)methyl)-6-fluoro-3-(oxetan-3-yl)-5-(piperazine-1-yl)-1,3-dihydro-2H-benzo[d]imidazole-2-one

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

5-(4-((1H-pyrazole-4-yl)methyl)piperazine-1-yl)-1-((5-(5-(difluoromethyl)-1,3,4-oxadiazole-2-yl)pyridine-2-yl)methyl)-6-fluoro-3-(oxetan-3-yl)-1,3-dihydro-2H-benzo[d]imidazole-2-one

5-(4-((1H-pyrazole-4-yl)methyl)piperazine-1-yl)-1-((5-(5-(difluoromethyl)-1,3,4-oxadiazole-2-yl)pyridine-2-yl)methyl)-6-fluoro-3-(oxetan-3-yl)-1,3-dihydro-2H-benzo[d]imidazole-2-one

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; for 18h;80.7%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1,2-dimethylimidazole-4-sulphonyl chloride
137049-02-6

1,2-dimethylimidazole-4-sulphonyl chloride

1-(1,2-dimethyl-1H-imidazole-4-sulfonyl)-1H-pyrazole-4-carbaldehyde
1082066-05-4

1-(1,2-dimethyl-1H-imidazole-4-sulfonyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 18h;80%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(pyridin-2-yl)-1H-pyrazole-4-carbaldehyde

1-(pyridin-2-yl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With copper; caesium carbonate; methyl-alpha-D-glucopyranoside In water; dimethyl sulfoxide at 100℃; Sealed tube; Green chemistry;80%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

tert-butyl 4-formyl-1H-pyrazole-1-carboxylate
821767-61-7

tert-butyl 4-formyl-1H-pyrazole-1-carboxylate

Conditions
ConditionsYield
dmap In acetonitrile at 20℃; for 0.5h;76%
With dmap In acetonitrile at 20℃;71%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

tert-butyl-3-iodoazetidine-1-carboxylate
254454-54-1

tert-butyl-3-iodoazetidine-1-carboxylate

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

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

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide Heating;75.71%
benzyl chloroformate
501-53-1

benzyl chloroformate

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

benzyl 4-formylpyrazole-1-carboxylate

benzyl 4-formylpyrazole-1-carboxylate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 4℃; for 1h; Inert atmosphere;74%
1-bromo-2-propanol
19686-73-8

1-bromo-2-propanol

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(2-hydroxy-propyl)-1H-pyrazole-4-carbaldehyde
1082066-01-0

1-(2-hydroxy-propyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 150℃; for 0.333333h; Microwave irradiation;73%
1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

(E)-ethyl 3-(1H-pyrazol-4-yl)acrylate
1396722-63-6

(E)-ethyl 3-(1H-pyrazol-4-yl)acrylate

Conditions
ConditionsYield
In tetrahydrofuran at 70℃; for 14h;73%
In tetrahydrofuran at 70℃; for 8h; Inert atmosphere;60%
In tetrahydrofuran at 20 - 70℃; for 8h; Inert atmosphere;60%
1-Chloro-4-fluorobenzene
352-33-0

1-Chloro-4-fluorobenzene

1H-pyrazole-4-carbaldehyde
35344-95-7

1H-pyrazole-4-carbaldehyde

1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde
63874-99-7

1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With tetrabutylammonium tetrafluoroborate; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 20℃; for 36h; Catalytic behavior; Reagent/catalyst; Sealed tube; Inert atmosphere; Irradiation; Electrolysis; Large scale;73%

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