Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By Se

2,4-Dichloro-5-pyriMidinecarboxaldehyde

Cas:871254-61-4

Min.Order:0 Metric Ton

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

5-Pyrimidinecarboxaldehyde,2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

High Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

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

5-Pyrimidinecarboxaldehyde, 2,4-dichloro- Cas no.871254-61-4 98%

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Hysen Pharma co.,Ltd.

we are professional Pharmaceutical company. We are specialized in manufacturing and R&D of API & Intermediates, Contract Manufacturing, Contract Research, and International Trading business as well. *We own a R&D center in Hangzhou. I

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

2,4-dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

2,4-Dichloro-5-pyriMidinecarboxaldehyde CAS No.871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

2,4-Dichloro-5-pyriMidinecarboxaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2,4-Dichloropyrimidine-5-carbaldehyde cas 871254-61-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2,4-Dichloropyrimidine-5-carbaldehyde cas 871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2,4-Dichloropyrimidine-5-carbaldehyde 871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Scochem Technology Co., Ltd.

High quality suppliers Application:healing drugs

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Foris Technology Co. LTD

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2,4-Dichloropyrimidine-5-carbaldehyde 871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Suzhou Sibian Chemical Technology Co., Ltd

Lower price, sample is available,large stock in warehouse.Best service, high quality and reasonable price.If you are looking for the material's manufacturer or supplier in China, Sibian chemical is your best choice. Application:Drug R&D

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

2,4-Dichloropyrimidine-5-carbaldehyde

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

2,4-dichloro-5-pyrimidinecarboxaldehyde

Cas:871254-61-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

5-Pyrimidinecarboxaldehyde,2,4-dichloro-

Cas:871254-61-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

Best price/ 2,4-Dichloropyrimidine-5-carbaldehyde CAS NO.871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changzhou Pesan Chemical Co.,Ltd

Strong R&D strength and team We have a R&D team with around 30 R&D personnel.All of our employees have chemical backgrounds and have worked in the chemical industry for many years.Our laboratory can synthesize target products with wei

2,4-Dichloro-5-pyrimidinecarbaldehyde 871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Other

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Hanhong Scientific Co.,Ltd.

factory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S

2,4-Dichloropyrimidine-5-carbaldehyde871254-61-4

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Yinghao Pharm Co.,Ltd.

Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemical Technology Co.,LTD

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

5-Pyrimidinecarboxaldehyde, 2,4-dichloro-

Cas:871254-61-4

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

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

N,N-dimethyl-formamide

uridine
58-96-8

uridine

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: N,N-dimethyl-formamide With boric acid; trichlorophosphate at 5℃; for 0.5h;
Stage #2: uridine at 5℃; for 2h; Reagent/catalyst; Temperature;
96.6%
4-morpholinecarboxaldehyde
4394-85-8

4-morpholinecarboxaldehyde

2,4-dichloro-5-bromopyrimidine
36082-50-5

2,4-dichloro-5-bromopyrimidine

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-bromopyrimidine With TurboGrignard In tetrahydrofuran at -78 - -42℃; for 1.25h;
Stage #2: 4-morpholinecarboxaldehyde In tetrahydrofuran at -78 - -42℃; for 3.91667h;
87%
Stage #1: 2,4-dichloro-5-bromopyrimidine With TurboGrignard In tetrahydrofuran at 78℃; for 1h;
Stage #2: 4-morpholinecarboxaldehyde In tetrahydrofuran at -78 - -35℃; for 1.5h;
Stage #3: With hydrogenchloride; water In tetrahydrofuran at -35℃;
71%
2,4-dihydroxypyrimidine-5-carbaldehyde
1195-08-0

2,4-dihydroxypyrimidine-5-carbaldehyde

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
With triethylamine; trichlorophosphate at 30 - 35℃; for 3.5h;69%
With trichlorophosphate at 80℃; for 0.5h;8.1 g
2,4-dichloro-5-bromopyrimidine
36082-50-5

2,4-dichloro-5-bromopyrimidine

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

N,N-dimethyl-formamide

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-bromopyrimidine With isopropylmagnesium chloride; lithium chloride In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78 - -35℃; for 4h;
31%
Stage #1: 2,4-dichloro-5-bromopyrimidine With hydrogenchloride In tetrahydrofuran at -78 - 35℃; for 0.5h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78℃; for 2h;
28%
Methyl formate
107-31-3

Methyl formate

2,4-dichloro-5-iodopyrimidine
13544-44-0

2,4-dichloro-5-iodopyrimidine

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-iodopyrimidine With n-butyllithium In diethyl ether; hexane at -78℃; for 0.333333h; Inert atmosphere;
Stage #2: Methyl formate In diethyl ether; hexane at -78℃; for 0.166667h; Inert atmosphere;
N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

uracil
66-22-8

uracil

A

2,6-Dichloropyrimidine
3934-20-1

2,6-Dichloropyrimidine

B

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at -5 - 5℃; for 0.5h;
Stage #2: uracil at 5℃; for 2h; Temperature;
5-hydroxymethyl uracil
4433-40-3

5-hydroxymethyl uracil

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dipotassium peroxodisulfate; silver nitrate / water
2: trichlorophosphate; triethylamine / 3.5 h / 30 - 35 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

methylmagnesium bromide
75-16-1

methylmagnesium bromide

1-(2,4-dichloropyrimidin-5-yl)ethanol
130825-17-1

1-(2,4-dichloropyrimidin-5-yl)ethanol

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-pyrimidinecarboxaldehyde; methylmagnesium bromide In tetrahydrofuran; diethyl ether at -78℃; for 2h;
Stage #2: With hydrogenchloride In tetrahydrofuran; diethyl ether; water
97%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

2-hydroxypropanedinitrile
20342-65-8

2-hydroxypropanedinitrile

2-(2,4-dichloropyrimidin-5-yl)-2-hydroxyacetamide

2-(2,4-dichloropyrimidin-5-yl)-2-hydroxyacetamide

Conditions
ConditionsYield
With dmap; ammonium chloride In acetonitrile at 10℃; for 1.33333h;85%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

N-cyclopentylglycine ethyl ester
89479-61-8

N-cyclopentylglycine ethyl ester

ethyl 2-((2-chloro-5-formylpyrimidin-4-yl)(cyclopentylamino))acetate

ethyl 2-((2-chloro-5-formylpyrimidin-4-yl)(cyclopentylamino))acetate

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl-formamide at 20℃;84%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

6-chloro-1H-pyrazolo[3,4-d]pyrimidine
23002-51-9

6-chloro-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
With hydrazine In tetrahydrofuran at 20℃; for 0.5h;82%
With hydrazine hydrate; triethylamine In tetrahydrofuran at 20℃; for 1h;68%
With hydrazine hydrate In tetrahydrofuran at 0 - 20℃; for 0.5h;57%
With hydrazine hydrate In tetrahydrofuran at 0 - 20℃; for 1.25h;50%
With hydrazine In tetrahydrofuran at 20℃; for 1h;34%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

2-(cyclopentylamino)-N,N-dimethylacetamide

2-(cyclopentylamino)-N,N-dimethylacetamide

2-((2-chloro-5-formylpyrimidin-4-yl)(cyclopentylamino))-N,N-dimethylacetamide

2-((2-chloro-5-formylpyrimidin-4-yl)(cyclopentylamino))-N,N-dimethylacetamide

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl-formamide at 20℃;82%
methanol
67-56-1

methanol

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

2-hydroxypropanedinitrile
20342-65-8

2-hydroxypropanedinitrile

2,4-dichloro-(α-hydroxy)-5-pyrimidineacetic acid methyl ester

2,4-dichloro-(α-hydroxy)-5-pyrimidineacetic acid methyl ester

Conditions
ConditionsYield
With dmap; acetic acid at 50℃; for 0.666667h;80%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

ethanol
64-17-5

ethanol

2-hydroxypropanedinitrile
20342-65-8

2-hydroxypropanedinitrile

ethyl 2,4-dichloro-(α-hydroxy)-5-pyrimidineacetate

ethyl 2,4-dichloro-(α-hydroxy)-5-pyrimidineacetate

Conditions
ConditionsYield
With dmap; acetic acid at 10℃; for 0.666667h;77%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

isopropyl alcohol
67-63-0

isopropyl alcohol

2-hydroxypropanedinitrile
20342-65-8

2-hydroxypropanedinitrile

isopropyl 2,4-dichloro-(α-hydroxy)-5-pyrimidineacetate

isopropyl 2,4-dichloro-(α-hydroxy)-5-pyrimidineacetate

Conditions
ConditionsYield
With dmap; acetic acid at 10℃; for 0.666667h;77%
methanol
67-56-1

methanol

2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

trimethyl orthoformate
149-73-5

trimethyl orthoformate

2,4-dichloro-5-(dimethoxymethyl)pyrimidine

2,4-dichloro-5-(dimethoxymethyl)pyrimidine

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate at 65℃; for 14h;75%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

3-nitrobenzylhydrazine dihydrochloride

3-nitrobenzylhydrazine dihydrochloride

6-chloro-1-(3-nitrobenzyl)-1H-pyrazolo[3,4-d]pyrimidine
1428444-27-2

6-chloro-1-(3-nitrobenzyl)-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-pyrimidinecarboxaldehyde In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: 3-nitrobenzylhydrazine dihydrochloride In tetrahydrofuran at 0 - 20℃; for 4h; Inert atmosphere;
62%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

4-nitrobenzylhydrazine dihydrochloride

4-nitrobenzylhydrazine dihydrochloride

6-chloro-1-(4-nitrobenzyl)-1H-pyrazolo[3,4-d]pyrimidine

6-chloro-1-(4-nitrobenzyl)-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-pyrimidinecarboxaldehyde In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: 4-nitrobenzylhydrazine dihydrochloride In tetrahydrofuran at 0 - 20℃; for 4h; Inert atmosphere;
56%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

N1‐cyclopropyl‐4,5‐difluorobenzene‐1,2‐diamine
1356483-58-3

N1‐cyclopropyl‐4,5‐difluorobenzene‐1,2‐diamine

1-cyclopropyl-2-(2,4-dichloropyrimidin-5-yl)-5,6-difluoro-1H-benzo[d]imidazole

1-cyclopropyl-2-(2,4-dichloropyrimidin-5-yl)-5,6-difluoro-1H-benzo[d]imidazole

Conditions
ConditionsYield
With Oxone In water; N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere;38%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

Methyl thioglycolate
2365-48-2

Methyl thioglycolate

methyl 2-((2-methoxy-2-oxoethyl)thio)thieno[2,3-d]pyrimidine-6-carboxylate

methyl 2-((2-methoxy-2-oxoethyl)thio)thieno[2,3-d]pyrimidine-6-carboxylate

Conditions
ConditionsYield
Stage #1: 2,4-dichloro-5-pyrimidinecarboxaldehyde; Methyl thioglycolate With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h; Inert atmosphere;
Stage #2: With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 120℃; for 1.5h;
32%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

4-amino-3-(cyclopropylamino)benzonitrile
1356483-73-2

4-amino-3-(cyclopropylamino)benzonitrile

1-cyclopropyl-2-(2,4-dichloropyrimidin-5-yl)-1H-benzo[d]imidazole-6-carbonitrile

1-cyclopropyl-2-(2,4-dichloropyrimidin-5-yl)-1H-benzo[d]imidazole-6-carbonitrile

Conditions
ConditionsYield
With Oxone In water; N,N-dimethyl-formamide at 20℃; for 5h; Time;31%
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

1H-pyrazolo[3,4-d]pyrimidin-6-amine

1H-pyrazolo[3,4-d]pyrimidin-6-amine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrazine / tetrahydrofuran / 1 h / 20 °C
2: ammonium formate / palladium 10% on activated carbon / methanol / 4 h / Reflux
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

tert-butyl (trans-4-((6-chloro-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)cyclohexyl)methylcarbamate

tert-butyl (trans-4-((6-chloro-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)cyclohexyl)methylcarbamate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrazine / tetrahydrofuran / 1 h / 20 °C
2: ammonium formate / palladium 10% on activated carbon / methanol / 4 h / Reflux
3: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 16 h / 20 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

allyl bromide
106-95-6

allyl bromide

1-(2,4-dichloropyrimidin-5-yl)but-3-en-1-ol

1-(2,4-dichloropyrimidin-5-yl)but-3-en-1-ol

Conditions
ConditionsYield
With indium; sodium iodide In N,N-dimethyl-formamide at 0 - 20℃; for 2h; Inert atmosphere;120 mg
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

A

(Z)-methyl 5-(2,4-dichloropyrimidin-5-yl)-5-hydroxypent-2-enoate

(Z)-methyl 5-(2,4-dichloropyrimidin-5-yl)-5-hydroxypent-2-enoate

B

(E)-methyl 5-(2,4-dichloropyrimidin-5-yl)-5-hydroxypent-2-enoate

(E)-methyl 5-(2,4-dichloropyrimidin-5-yl)-5-hydroxypent-2-enoate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: indium; sodium iodide / N,N-dimethyl-formamide / 2 h / 0 - 20 °C / Inert atmosphere
2: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 24 h / 50 °C / Inert atmosphere
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

methyl 2-((2-methoxy-2-oxoethyl)sulfonyl)thieno[2,3-d]pyrimidine-6-carboxylate

methyl 2-((2-methoxy-2-oxoethyl)sulfonyl)thieno[2,3-d]pyrimidine-6-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C / Inert atmosphere
1.2: 1.5 h / 120 °C
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 12 h / 25 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

methyl 2-aminothieno[2,3-d]pyrimidine-6-carboxylate

methyl 2-aminothieno[2,3-d]pyrimidine-6-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C / Inert atmosphere
1.2: 1.5 h / 120 °C
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 12 h / 25 °C
3.1: ammonium hydroxide / tetrahydrofuran / 5 h / 0 - 10 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

2-aminothieno[2,3-d]pyrimidine-6-carboxylic acid

2-aminothieno[2,3-d]pyrimidine-6-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C / Inert atmosphere
1.2: 1.5 h / 120 °C
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 12 h / 25 °C
3.1: ammonium hydroxide / tetrahydrofuran / 5 h / 0 - 10 °C
4.1: water; sodium hydroxide / ethanol / 1 h / 80 °C
4.2: pH 1
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

6-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine
1614233-64-5

6-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrazine hydrate / tetrahydrofuran / 0.5 h / 0 - 20 °C
2: toluene-4-sulfonic acid / dichloromethane / 20 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

6-(3,5-dimethoxyphenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine
1614233-65-6

6-(3,5-dimethoxyphenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrazine hydrate / tetrahydrofuran / 0.5 h / 0 - 20 °C
2: toluene-4-sulfonic acid / dichloromethane / 20 °C
3: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate / 1,4-dioxane / 1.5 h / 110 °C / Microwave irradiation
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

6-(2,6-dichloro-3,5-dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine
1614233-66-7

6-(2,6-dichloro-3,5-dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: hydrazine hydrate / tetrahydrofuran / 0.5 h / 0 - 20 °C
2: toluene-4-sulfonic acid / dichloromethane / 20 °C
3: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate / 1,4-dioxane / 1.5 h / 110 °C / Microwave irradiation
4: sulfuryl dichloride / dichloromethane / 4 h / 0 - 20 °C
View Scheme
2,4-dichloro-5-pyrimidinecarboxaldehyde
871254-61-4

2,4-dichloro-5-pyrimidinecarboxaldehyde

6-(2,6-dichloro-3,5-dimethoxyphenyl)-3-iodo-1H-pyrazolo[3,4-d]pyrimidine
1614233-67-8

6-(2,6-dichloro-3,5-dimethoxyphenyl)-3-iodo-1H-pyrazolo[3,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: hydrazine hydrate / tetrahydrofuran / 0.5 h / 0 - 20 °C
2: toluene-4-sulfonic acid / dichloromethane / 20 °C
3: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate / 1,4-dioxane / 1.5 h / 110 °C / Microwave irradiation
4: sulfuryl dichloride / dichloromethane / 4 h / 0 - 20 °C
5: N-iodo-succinimide / N,N-dimethyl-formamide / 80 °C
View Scheme

Downstream Products

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View