Products

Refine

Country

Business Type

Certificate

Display

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

2,3-Difluoronitrobenzene Manufacturer/High quality/Best price/In stock

Cas:6921-22-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

2, 3-Difluoronitrobenzene

Cas:6921-22-8

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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

2,3-Difluoronitrobenzene at competitive price and good quality from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD 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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Benzene,1,2-difluoro-3-nitro- 6921-22-8

Cas:6921-22-8

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.:6921-22-8

Cas:6921-22-8

Min.Order:0

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

Benzene,1,2-difluoro-3-nitro-

Cas:6921-22-8

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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 1,2-Difluoro-3-Nitrobenzene CAS No.:6921-22-8 Molecule Formula:C6H3F2NO2 Molecule Weight:159.09 Purity: 95% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality 1,2-Difluoro-3-Nitrobenzene in stock

Cas:6921-22-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

2,3-Difluoronitrobenzene Basic information Product Name: 2,3-Difluoronitrobenzene Synonyms: 2,3-DIFLUORONITROBENZENE;1,2-difluoro-3-nitrobenzene;2,3-Difluoro-1-Nitrobenzene;Benzene, 1,2-difluoro-3-nitro- (7CI,8CI,9CI);2,3-Difluoronitrobenzene ,

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2,3-difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Win-Win chemical Co.Ltd

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

2,3-Difluoronitrobenzene cas no. 6921-22-8 98%

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

1,2-difluoro-3-nitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

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

1,2-difluoro-3-nitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec 2,3-Difluoronitrobenzene 100g

Cas:6921-22-8

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

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

2,3-difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Manufacturers

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 api,?intermediat

2,3-Difluoronitrobenzene

Cas:6921-22-8

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

2,3-Difluoronitrobenzene 97%

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2,3-Difluoronitrobenzene cas 6921-22-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2,3-Difluoronitrobenzene cas 6921-22-8

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

1,2-difluoro-3-nitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Ansciep Chemical Co.,Ltd.

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

6921-22-8 Application:intermediate

Benzene, 1,2-difluoro-3-nitro-

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Asure Biochem CO.,LTD.

*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:10G/bottle 1kg/tin 5kg/tin 25kg/carton Application:1. Chemical raw materials 2. Used as an analytical reage

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

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

2,3-Difluoronitrobenzene

Cas:6921-22-8

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

Conditions
ConditionsYield
With dihydrogen peroxide; trifluoroacetic anhydride In dichloromethane; water at 0 - 20℃;57%
Stage #1: 2,3-difluoroanilline With tetrafluoroboric acid; sodium nitrite In water at 0℃; for 1.33333h;
Stage #2: With copper In water for 1.33333h;
25%
triethylsilane
617-86-7

triethylsilane

2,3,4-trifluoronitrobenzene
771-69-7

2,3,4-trifluoronitrobenzene

A

triethylsilyl fluoride
358-43-0

triethylsilyl fluoride

B

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

Conditions
ConditionsYield
With dmap; (1,3-bis(2,4,6-trimethylphenyl)imidazolin-2-ylidene)AuH In dichloromethane at 40℃; for 12h; Inert atmosphere;A n/a
B 53%
2,3,4-trifluoronitrobenzene
771-69-7

2,3,4-trifluoronitrobenzene

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

Conditions
ConditionsYield
With 4,5-bis-(di-tert-butyl-phosphanyl)-9,9-dimethyl-9H-xanthene; [t-BuXantphosAu]+[Cl-Au-Cl]-; diphenylsilane; acetic acid In 1,2-dichloro-ethane at 80℃; for 24h; Inert atmosphere;12 %Spectr.
2,3,4-trifluoronitrobenzene
771-69-7

2,3,4-trifluoronitrobenzene

A

3,4-difluoronitrobenzene
369-34-6

3,4-difluoronitrobenzene

B

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

C

2,3,4-trifluoroaniline
3862-73-5

2,3,4-trifluoroaniline

Conditions
ConditionsYield
With Dimethylphenylsilane; o-phenylenebis(diphenylphosphine); potassium tert-butylate; copper(l) chloride In tetrahydrofuran for 12h; Inert atmosphere; Reflux; Overall yield = 95 %Spectr.; regioselective reaction;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

methylamine
74-89-5

methylamine

2-fluoro-N-methyl-6-nitroaniline
182551-18-4

2-fluoro-N-methyl-6-nitroaniline

Conditions
ConditionsYield
With potassium carbonate In 1,4-dioxane; ethanol at 20℃; Inert atmosphere;100%
With lithium aluminium tetrahydride In methanol; ethanol at 70℃; for 0.75h; Inert atmosphere; Sealed tube; UV-irradiation;100%
In methanol; ethanol at 70℃; for 0.5h; Microwave heating;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

phenylmethanethiol
100-53-8

phenylmethanethiol

2-(benzylsulfanyl)-1-fluoro-3-nitrobenzene
1242618-47-8

2-(benzylsulfanyl)-1-fluoro-3-nitrobenzene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; regioselective reaction;99%
tert-butyl N-methyl-N-(piperidin-4-ylmethyl)carbamate
138022-04-5

tert-butyl N-methyl-N-(piperidin-4-ylmethyl)carbamate

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

tert-butyl (1-(2-fluoro-6-nitrophenyl)piperidin-4-yl)methyl(methyl)carbamate
1350918-33-0

tert-butyl (1-(2-fluoro-6-nitrophenyl)piperidin-4-yl)methyl(methyl)carbamate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; for 18h;99%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

ethanolamine
141-43-5

ethanolamine

2-[(2-fluoro-6-nitrophenyl)amino]ethanol
796973-02-9

2-[(2-fluoro-6-nitrophenyl)amino]ethanol

Conditions
ConditionsYield
In ethanol at 20℃;97%
isonipecotic acid methyl ester
2971-79-1

isonipecotic acid methyl ester

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

methyl 1-(2-fluoro-6-nitrophenyl)piperidine-4-carboxylate
1350918-47-6

methyl 1-(2-fluoro-6-nitrophenyl)piperidine-4-carboxylate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃;97%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

diethyl malonate
105-53-3

diethyl malonate

diethyl (2-fluoro-6-nitrophenyl)malonate

diethyl (2-fluoro-6-nitrophenyl)malonate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 65℃;90%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

methyl 3-aminopropanoate hydrochloride
3196-73-4

methyl 3-aminopropanoate hydrochloride

3-(2-fluoro-6-nitrophenylamino)propionic acid methyl ester
877230-84-7

3-(2-fluoro-6-nitrophenylamino)propionic acid methyl ester

Conditions
ConditionsYield
With potassium fluoride; 18-crown-6 ether; N-ethyl-N,N-diisopropylamine In acetonitrile for 2h; Heating / reflux;86%
hexane-EtOAc

hexane-EtOAc

tert-Butyl ethyl malonate
32864-38-3

tert-Butyl ethyl malonate

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

A

4-[1-[4-[N'-(2-methylphenyl)ureido]-2,3-difluorophenylacetyl](4S)-fluoro-2S)-pyrrolidinyl methoxy]benzoic Acid

4-[1-[4-[N'-(2-methylphenyl)ureido]-2,3-difluorophenylacetyl](4S)-fluoro-2S)-pyrrolidinyl methoxy]benzoic Acid

B

ethyl 2,3-difluoro-4-nitrophenylacetic acid

ethyl 2,3-difluoro-4-nitrophenylacetic acid

Conditions
ConditionsYield
With NaH; ammonium chloride; trifluoroacetic acid In dichloromethane; N,N-dimethyl-formamideA 85%
B n/a
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

Cyclopropylamine
765-30-0

Cyclopropylamine

N-cyclopropyl-2-fluoro-6-nitroaniline
1338482-91-9

N-cyclopropyl-2-fluoro-6-nitroaniline

Conditions
ConditionsYield
In ethanol at 20℃; for 16h; Inert atmosphere;81%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

4-benzyloxyphenylhydrazide
128958-65-6

4-benzyloxyphenylhydrazide

4-benzyloxy-N'-(2-fluoro-6-nitrophenyl)benzhydrazide

4-benzyloxy-N'-(2-fluoro-6-nitrophenyl)benzhydrazide

Conditions
ConditionsYield
In dimethyl sulfoxide at 100℃; for 10h;81%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

glycine ethyl ester hydrochloride
623-33-6

glycine ethyl ester hydrochloride

(2-fluoro-6-nitrophenylamino)acetic acid ethyl ester
877230-81-4

(2-fluoro-6-nitrophenylamino)acetic acid ethyl ester

Conditions
ConditionsYield
With potassium fluoride; 18-crown-6 ether; N-ethyl-N,N-diisopropylamine In acetonitrile for 3h; Heating / reflux;73%
(R)-piperidin-3-ylcarbamic acid tert-butyl ester
309956-78-3

(R)-piperidin-3-ylcarbamic acid tert-butyl ester

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

C16H22FN3O4
1350917-82-6

C16H22FN3O4

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃;72%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

(S)-N-(tert-butoxycarbonyl)serine
3262-72-4

(S)-N-(tert-butoxycarbonyl)serine

(S)-2-(tert-butoxycarbonylamino)-3-(2-fluoro-6-nitrophenoxy)propanoic acid

(S)-2-(tert-butoxycarbonylamino)-3-(2-fluoro-6-nitrophenoxy)propanoic acid

Conditions
ConditionsYield
Stage #1: (S)-N-(tert-butoxycarbonyl)serine With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 1.16667h;
Stage #2: 1,2-difluoro-3-nitrobenzene In N,N-dimethyl-formamide; mineral oil at 0℃; for 2h;
68%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

(S)-2-(cyanomethyl)-4-(2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7,8,9-tetrahydro-5H-pyrimido[4,5-c]azepan-4-yl)piperazine-1-carboxylic acid benzyl ester

(S)-2-(cyanomethyl)-4-(2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7,8,9-tetrahydro-5H-pyrimido[4,5-c]azepan-4-yl)piperazine-1-carboxylic acid benzyl ester

benzyl (2S)-2-(cyanomethyl)-4-[8-(2-fluoro-6-nitrophenyl)-2-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-5,6,7,9-tetrahydropyrimido[4,5-c]azepin-4-yl]piperazine-1-carboxylate

benzyl (2S)-2-(cyanomethyl)-4-[8-(2-fluoro-6-nitrophenyl)-2-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-5,6,7,9-tetrahydropyrimido[4,5-c]azepin-4-yl]piperazine-1-carboxylate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; for 12h;59%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

ethyl 2-hydroxy-2,2-dimethylethanoate
80-55-7

ethyl 2-hydroxy-2,2-dimethylethanoate

ethyl2-(2-fluoro-6-nitrophenoxy)-2-methylpropanoate

ethyl2-(2-fluoro-6-nitrophenoxy)-2-methylpropanoate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 80℃; for 16h;56.9%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

5-bromo-1,2-difluoro-3-nitrobenzene

5-bromo-1,2-difluoro-3-nitrobenzene

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene With sulfuric acid; silver sulfate at 20℃; for 0.0833333h;
Stage #2: With bromine at 20℃; for 16h;
55%
With N-Bromosuccinimide; sulfuric acid at 60℃; for 6h;34.51%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

2-(2-fluoro-6-nitrophenyl)malonic acid dimethyl ester
866209-62-3

2-(2-fluoro-6-nitrophenyl)malonic acid dimethyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 65℃; for 24h;43%
With potassium carbonate In N,N-dimethyl-formamide at 65℃; for 24h;43%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

aniline
62-53-3

aniline

(2-fluoro-6-nitrophenyl)phenylamine
1033225-32-9

(2-fluoro-6-nitrophenyl)phenylamine

Conditions
ConditionsYield
With caesium carbonate In dimethyl sulfoxide at 20 - 90℃; for 7h;39%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

methyl 5-amino-2-pyridinecarboxylate
67515-76-8

methyl 5-amino-2-pyridinecarboxylate

methyl 5-((2-fluoro-6-nitrophenyl)amino)picolinate

methyl 5-((2-fluoro-6-nitrophenyl)amino)picolinate

Conditions
ConditionsYield
With caesium carbonate In dimethyl sulfoxide at 18 - 25℃; for 5h;27%
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

guanidine nitrate
113-00-8

guanidine nitrate

5-fluoro-1,2,4-benzotriazine-3-amine 1-oxide
196403-29-9

5-fluoro-1,2,4-benzotriazine-3-amine 1-oxide

Conditions
ConditionsYield
With potassium tert-butylate 1.) THF, 60 deg C, 6 h, 2.) THF, 2 h; Yield given. Multistep reaction;
formaldehyd
50-00-0

formaldehyd

Glyoxal
131543-46-9

Glyoxal

1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307248-44-7

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

2-chloro-4,4-difluoro-1'-[[1-(2-fluoro-6-imidazol-1-yl-phenyl)-3-methyl-pyrazol-4-yl]methyl]spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307313-93-4

2-chloro-4,4-difluoro-1'-[[1-(2-fluoro-6-imidazol-1-yl-phenyl)-3-methyl-pyrazol-4-yl]methyl]spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: 2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine] In dichloromethane at 20℃; for 0.5h;
Stage #3: formaldehyd; Glyoxal
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

methyl chloroformate
79-22-1

methyl chloroformate

methyl iodide
74-88-4

methyl iodide

A

methyl N-[3-fluoro-2-(4-formyl-3-methyl-pyrazol-1-yl)phenyl]-N-methyl-carbamate
1307314-35-7

methyl N-[3-fluoro-2-(4-formyl-3-methyl-pyrazol-1-yl)phenyl]-N-methyl-carbamate

B

C14H14FN3O3

C14H14FN3O3

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: With iron; acetic acid In ethanol; water at 90℃; for 2h;
Stage #3: methyl chloroformate; methyl iodide
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307248-44-7

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

methyl chloroformate
79-22-1

methyl chloroformate

methyl iodide
74-88-4

methyl iodide

methyl N-[2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-fluoro-phenyl]-N-methyl-carbamate
1307313-54-7

methyl N-[2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-fluoro-phenyl]-N-methyl-carbamate

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: With iron; acetic acid In ethanol; water at 90℃; for 2h;
Stage #3: 2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]; methyl chloroformate; methyl iodide
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

methyl chloroformate
79-22-1

methyl chloroformate

methyl N-[3-fluoro-2-(4-formyl-3-methyl-pyrazol-1-yl)phenyl]carbamate
1307314-33-5

methyl N-[3-fluoro-2-(4-formyl-3-methyl-pyrazol-1-yl)phenyl]carbamate

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: With iron; acetic acid In ethanol; water at 90℃; for 2h;
Stage #3: methyl chloroformate With pyridine In dichloromethane at 0 - 20℃; for 0.5h;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

A

C11H10FN3O

C11H10FN3O

B

1-(2-amino-6-fluoro-phenyl)-3-methyl-1H-pyrazole-4-carbaldehyde
1307314-34-6

1-(2-amino-6-fluoro-phenyl)-3-methyl-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: With iron; acetic acid In ethanol; water at 90℃; for 2h;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

A

C11H8FN3O3

C11H8FN3O3

B

1-(2-fluoro-6-nitro-phenyl)-3-methyl-1H-pyrazole-4-carbaldehyde
1307314-08-4

1-(2-fluoro-6-nitro-phenyl)-3-methyl-1H-pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20℃;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307248-44-7

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

A

2-chloro-4,4-difluoro-1'-[[1-(2-fluoro-6-nitro-phenyl)-3-methyl-pyrazol-4-yl]methyl]spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307314-64-2

2-chloro-4,4-difluoro-1'-[[1-(2-fluoro-6-nitro-phenyl)-3-methyl-pyrazol-4-yl]methyl]spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

B

C22H20ClF3N4O3S

C22H20ClF3N4O3S

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: 2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine] In dichloromethane at 20℃; for 0.5h;
Stage #3: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
1,2-difluoro-3-nitrobenzene
6921-22-8

1,2-difluoro-3-nitrobenzene

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]
1307248-44-7

2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]

3-methyl-1H-pyrazole-4-carbaldehyde
112758-40-4

3-methyl-1H-pyrazole-4-carbaldehyde

A

C22H22ClF3N4OS

C22H22ClF3N4OS

B

2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-fluoro-aniline
1307314-65-3

2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-fluoro-aniline

Conditions
ConditionsYield
Stage #1: 1,2-difluoro-3-nitrobenzene; 3-methyl-1H-pyrazole-4-carbaldehyde With potassium carbonate In acetonitrile at 20℃;
Stage #2: 2-chloro-4,4-difluoro-4,5-dihydrospiro[5H-thieno[2,3-c]pyran-7,4'-piperidine] In dichloromethane at 20℃; for 0.5h;

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