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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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details Item Specification Test Results Appearance White crystalline powder Conform

China Biggest factory Supply High Quality 6-Chloro-2,3-diaminopyridine CAS 40851-95-4

Cas:40851-95-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 6-Chloro-2,3-diaminopyridine CAS No.

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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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

Top Purity CAS 40851-95-4 with fast shipping

Cas:40851-95-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2,3-Pyridinediamine,6-chloro-

Cas:40851-95-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:40851-95-4

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

6-chloropyridine-2,3-diamine

Cas:40851-95-4

Min.Order:4 Kilogram

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

2,3-Pyridinediamine,6-chloro-

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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YUNBIO TECH CO.,LTD

Our Strength: -Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs. -Innovative: We are focusing on the development of new products and keep close relationships with

Henan Tianfu Chemical Co., Ltd.

6-Chloro-2,3-diaminopyridine Basic information Product Name: 6-Chloro-2,3-diaminopyridine Synonyms: 6-Chloro-2,3-diaminopyridine;

40851-95-4 C5H6ClN3 6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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,

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

2,3-Diamino-6-chloropyridine

Cas:40851-95-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Trading Company

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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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

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

40851-95-4 CAS NO.40851-95-4

Cas:40851-95-4

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/2,3-Diamino-6-chloropyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

6-Chloro-2,3-diaminopyridine cas no. 40851-95-4 98%

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

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,or Intermediates,fine chemicals Transportation:air,sea,courier

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

6-Chloro-2,3-Diaminopyridine

Cas:40851-95-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-(Triethoxysilyl)-2-(diethoxymethylsilyl)-ethane

Cas:40851-95-4

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

2,3-Pyridinediamine,6-chloro-

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:clear liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

40851-95-4

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

6-Chloro-2,3-diaminopyridine cas 40851-95-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

6-Chloro-2,3-diaminopyridine cas 40851-95-4

Cas:40851-95-4

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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

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

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Ansciep Chemical Co.,Ltd.

6-Chloro-2,3-diaminopyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading 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-Diamino-6- chloropyridine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

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

6-chloropyridine-2,3-diamine

Cas:40851-95-4

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

6-chloro-2-nitropyridine-3-amine
146015-42-1

6-chloro-2-nitropyridine-3-amine

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With hydrogen; Raney nickel In methanol at 20℃; for 24h;95.6%
With hydrogen In methanol at 20℃; for 24h;95.6%
With methanol at 20℃; for 24h;
With Raney nickel In methanol at 20℃; for 24h;
With Raney Nickel In methanol at 20℃; for 24h;
2-amino-6-chloro-3-nitropyridine
27048-04-0

2-amino-6-chloro-3-nitropyridine

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With iron; ammonium chloride In water; ethyl acetate at 20℃; for 24h;93.7%
With iron; ammonium chloride In water; isopropyl alcohol at 90℃; for 1h;91%
With sodium tetrahydroborate In ethanol; water at 20℃; for 4h; chemoselective reaction;91%
2-amino-3-benzyloxycarbonylamino-6-chloro-pyridine

2-amino-3-benzyloxycarbonylamino-6-chloro-pyridine

A

2,3-Diaminopyridine
452-58-4

2,3-Diaminopyridine

B

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; sodium hydrogencarbonate In methanol at 20℃; under 760.051 Torr; for 2h; Sealed tube; Overall yield = 87 %Spectr.; chemoselective reaction;A 45%
B 42%
2-amino-6-chloro-3-nitropyridine
27048-04-0

2-amino-6-chloro-3-nitropyridine

tert-butyl alcohol
75-65-0

tert-butyl alcohol

A

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

B

N3-(tert-butyl)-6-chloropyridine-2,3-diamine
1426845-56-8

N3-(tert-butyl)-6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
Stage #1: 2-amino-6-chloro-3-nitropyridine; tert-butyl alcohol With tin(II) chloride dihdyrate In ethyl acetate at 60℃; for 1h;
Stage #2: With sodium tetrahydroborate In ethyl acetate at 60℃; for 3h;
A 43%
B 30%
2-amino-3-nitropyridine
4214-75-9

2-amino-3-nitropyridine

A

2,3-Diaminopyridine
452-58-4

2,3-Diaminopyridine

B

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With hydrogenchloride; tin
ethyl (2-acetamido-6-chloro-3-pyridyl)aminomethylenemalonate
139087-01-7

ethyl (2-acetamido-6-chloro-3-pyridyl)aminomethylenemalonate

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With PPA at 80℃; for 0.166667h;
hydrogenchloride
7647-01-0

hydrogenchloride

2-amino-3-nitropyridine
4214-75-9

2-amino-3-nitropyridine

tin

tin

A

2,3-Diaminopyridine
452-58-4

2,3-Diaminopyridine

B

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

2-amino-3-nitropyridine
4214-75-9

2-amino-3-nitropyridine

A

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

B

2,3-diamino-pyridine

2,3-diamino-pyridine

Conditions
ConditionsYield
With hydrogenchloride; tin
2,6-dicholoro-3-nitropyridine
16013-85-7

2,6-dicholoro-3-nitropyridine

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 75 percent / NH3 / ethanol
2: 92 percent / acetic acid, conc. H2SO4 / 2 h / Heating
3: aluminum amalgam, water / ethanol / 4 h / 40 °C
4: 52 percent / 2 h / 100 °C
5: 85percent polyphosphoric acid / 0.17 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 75 percent / NH3 / ethanol
2: aluminum amalgam, water / ethanol / 4 h / 40 °C
View Scheme
Multi-step reaction with 2 steps
1: ammonia / ethanol / 0 - 20 °C
2: ammonium chloride; iron / ethyl acetate; water / 24 h / 20 °C
View Scheme
2-acetamido-3-amino-6-chloropyridine
139086-98-9

2-acetamido-3-amino-6-chloropyridine

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 52 percent / 2 h / 100 °C
2: 85percent polyphosphoric acid / 0.17 h / 80 °C
View Scheme
2-acetamido-6-chloro-3-nitropyridine
139086-97-8

2-acetamido-6-chloro-3-nitropyridine

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aluminum amalgam, water / ethanol / 4 h / 40 °C
2: 52 percent / 2 h / 100 °C
3: 85percent polyphosphoric acid / 0.17 h / 80 °C
View Scheme
tin(II)chloride dihydrate

tin(II)chloride dihydrate

2-amino-6-chloro-3-nitropyridine
27048-04-0

2-amino-6-chloro-3-nitropyridine

tert-butyl alcohol
75-65-0

tert-butyl alcohol

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With sodium borohydrid; sodium chloride; potassium carbonate In hexane; ethyl acetate
tin(II)chloride dihydrate

tin(II)chloride dihydrate

5-bromo-3-nitro-pyridin-2-ylamine
6945-68-2

5-bromo-3-nitro-pyridin-2-ylamine

tert-butyl alcohol
75-65-0

tert-butyl alcohol

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With sodium borohydrid In ethyl acetate
tin(II)chloride dihydrate

tin(II)chloride dihydrate

2-amino-5-chloro-3-nitropyridine
5409-39-2

2-amino-5-chloro-3-nitropyridine

tert-butyl alcohol
75-65-0

tert-butyl alcohol

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Conditions
ConditionsYield
With sodium borohydrid In ethyl acetate
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

Glyoxal
131543-46-9

Glyoxal

6-chloropyrido[2,3-b]pyrazine
68236-03-3

6-chloropyrido[2,3-b]pyrazine

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 2h;100%
With acetic acid In methanol; water at 50℃; for 4h;
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

5-chloro-2-(4-cyanophenyl)-4-azabenzimidazole

5-chloro-2-(4-cyanophenyl)-4-azabenzimidazole

Conditions
ConditionsYield
With sodium metabisulfite; dimethyl sulfoxide at 165℃; for 0.25h; Inert atmosphere; Sealed tube;99%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

trimethyl orthoformate
149-73-5

trimethyl orthoformate

5-Chloro-3H-imidazo<4,5-b>pyridine
52090-89-8

5-Chloro-3H-imidazo<4,5-b>pyridine

Conditions
ConditionsYield
With hydrogenchloride In water at 20℃;98%
With hydrogenchloride In water at 20℃;
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione
173930-57-9

6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione

Conditions
ConditionsYield
at 130℃; for 15h;96%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

5-chloro-1H-imidazo[4,5-b]pyridine
52090-89-8

5-chloro-1H-imidazo[4,5-b]pyridine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 140℃; for 4h;95%
With toluene-4-sulfonic acid for 5h; Reflux;59%
In methanol for 3h; Reflux;58%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

glycolic Acid
79-14-1

glycolic Acid

(5-chloro-1H-imidazo[4,5-b]pyridin-2-yl)methanol
172648-09-8

(5-chloro-1H-imidazo[4,5-b]pyridin-2-yl)methanol

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; glycolic Acid at 150℃; for 4h;
Stage #2: With hydrogenchloride In water at 60℃;
94%
In 5,5-dimethyl-1,3-cyclohexadiene at 150℃; for 4h;86%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

oxalic acid
144-62-7

oxalic acid

6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione
173930-57-9

6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione

Conditions
ConditionsYield
With hydrogenchloride In water at 100℃; for 6h;90.6%
With hydrogenchloride Heating; Yield given;
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

glycolic Acid
79-14-1

glycolic Acid

(5-chloro-3H-imidazo[4,5-b]pyridin-2-yl)methanol
172648-09-8

(5-chloro-3H-imidazo[4,5-b]pyridin-2-yl)methanol

Conditions
ConditionsYield
at 150℃; for 4h; Cyclization;83%
With hydrogenchloride; ammonium hydroxide
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

(4-cyanophenyl)propionic acid
42287-94-5

(4-cyanophenyl)propionic acid

N-(2-amino-6-chloropyridin-3-yl)-3-(4-cyanophenyl)propanamide
1541988-43-5

N-(2-amino-6-chloropyridin-3-yl)-3-(4-cyanophenyl)propanamide

Conditions
ConditionsYield
Stage #1: (4-cyanophenyl)propionic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h;
Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h;
83%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

N,N,2-trimethylpropionamide
21678-37-5

N,N,2-trimethylpropionamide

5-chloro-2-isopropyl-1H-imidazo[4,5-b]pyridine

5-chloro-2-isopropyl-1H-imidazo[4,5-b]pyridine

Conditions
ConditionsYield
With acetic acid at 135℃; for 12h;77%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
40851-98-7

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Conditions
ConditionsYield
In chloroform for 5h; Heating;76%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

p-benzyloxybenzaldehyde
4397-53-9

p-benzyloxybenzaldehyde

2-(4-(benzyloxy)phenyl)-5-chloro-3H-imidazo[4,5-b]pyridine

2-(4-(benzyloxy)phenyl)-5-chloro-3H-imidazo[4,5-b]pyridine

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; p-benzyloxybenzaldehyde In methanol at 120℃; for 0.25h; Microwave irradiation;
Stage #2: With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 18h;
73%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

4,4,4-trifluorobutanal
406-87-1

4,4,4-trifluorobutanal

6-chloro-N3-(4,4,4-trifluorobutyl)-pyridine-2,3-diamine
1383051-41-9

6-chloro-N3-(4,4,4-trifluorobutyl)-pyridine-2,3-diamine

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal In dichloromethane; acetic acid for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane; acetic acid at 20℃;
70%
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal With acetic acid In dichloromethane for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
70%
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃;70%
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal With acetic acid In dichloromethane for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
70%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

(4-cyanophenoxy)acetic acid
1878-82-6

(4-cyanophenoxy)acetic acid

N-(2-amino-6-chloropyridin-3-yl)-2-(4-cyanophenoxy)acetamide
1541988-03-7

N-(2-amino-6-chloropyridin-3-yl)-2-(4-cyanophenoxy)acetamide

Conditions
ConditionsYield
Stage #1: (4-cyanophenoxy)acetic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h;
Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h;
70%
carbon disulfide
75-15-0

carbon disulfide

6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridine-2-thione
40851-97-6

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridine-2-thione

Conditions
ConditionsYield
Stage #1: carbon disulfide; 6-chloropyridine-2,3-diamine With sodium hydroxide In ethanol Reflux;
Stage #2: With hydrogenchloride In ethanol
67%
With pyridine In ethanol at 40℃;
With pyridine In ethanol at 40℃;
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

isovaleraldehyde
590-86-3

isovaleraldehyde

6-chloro-N3-isopentylpyridine-2,3-diamine
1383050-89-2

6-chloro-N3-isopentylpyridine-2,3-diamine

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; isovaleraldehyde With acetic acid In dichloromethane for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
65%
Stage #1: 6-chloropyridine-2,3-diamine; isovaleraldehyde With acetic acid In dichloromethane for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
65%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

isocaproic aldehyde
1119-16-0

isocaproic aldehyde

6-chloro-N3-isopentylpyridine-2,3-diamine
1383050-89-2

6-chloro-N3-isopentylpyridine-2,3-diamine

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; isocaproic aldehyde With acetic acid In dichloromethane for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
65%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

(4-cyanophenyl)glycine
42288-26-6

(4-cyanophenyl)glycine

N-(2-amino-6-chloropyridin-3-yl)-2-[(4-cyanophenyl)amino]acetamide
1541988-45-7

N-(2-amino-6-chloropyridin-3-yl)-2-[(4-cyanophenyl)amino]acetamide

Conditions
ConditionsYield
Stage #1: (4-cyanophenyl)glycine With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h;
Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h;
65%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

2-fluoro-5-nitrobenzoic acid
7304-32-7

2-fluoro-5-nitrobenzoic acid

5-chloro-2-(2-fluoro-5-nitrophenyl)-3H-imidazo[4,5-b]pyridine
1533399-36-8

5-chloro-2-(2-fluoro-5-nitrophenyl)-3H-imidazo[4,5-b]pyridine

Conditions
ConditionsYield
With polyphosphoric acid at 158 - 160℃; for 5h;62%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one
706819-66-1

2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one

C11H8ClN5
1431872-99-9

C11H8ClN5

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; 2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 18h;
Stage #2: With manganese(IV) oxide In acetonitrile at 20℃; for 15h;
61%
Stage #1: 6-chloropyridine-2,3-diamine; 2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 18h;
Stage #2: With manganese(IV) oxide In acetonitrile at 20℃; for 0.25h;
61%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

(R)-4-(1-phenylethoxy)benzaldehyde
1095985-13-9

(R)-4-(1-phenylethoxy)benzaldehyde

C20H16ClN3O

C20H16ClN3O

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; 4-[(1R)-1-phenylethoxy]benzaldehyde In methanol at 90℃; for 0.5h;
Stage #2: With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃;
58%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

pyruvic acid methyl ester
600-22-6

pyruvic acid methyl ester

6-chloro-3-methylpyrido[2,3-b]pyrazin-2(1H)-one

6-chloro-3-methylpyrido[2,3-b]pyrazin-2(1H)-one

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 96h;53%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

ethyl bromoacetate
105-36-2

ethyl bromoacetate

ethyl 2-(2-amino-6-chloropyridin-3-ylamino)acetate
1350925-19-7

ethyl 2-(2-amino-6-chloropyridin-3-ylamino)acetate

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine With potassium carbonate In N,N-dimethyl-formamide for 0.5h;
Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 60 - 70℃; for 3h;
50.5%
Stage #1: 6-chloropyridine-2,3-diamine With potassium carbonate In N,N-dimethyl-formamide for 0.5h;
Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 60 - 70℃; for 3h;
50.5%
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 3h;39%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
40851-98-7

5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Conditions
ConditionsYield
Stage #1: 6-chloropyridine-2,3-diamine; bis(trichloromethyl) carbonate With sodium hydroxide In dichloromethane; water
Stage #2: With hydrogenchloride In dichloromethane; water
47%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl (2-amino-6-chloropyridin-3-yl)carbamate

tert-butyl (2-amino-6-chloropyridin-3-yl)carbamate

Conditions
ConditionsYield
In tetrahydrofuran at 45℃; for 18h;47%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

4-Fluorobenzoic acid
456-22-4

4-Fluorobenzoic acid

5-Chloro-2-(4-fluorophenyl)imidazo[4,5-b]pyridine
337902-77-9

5-Chloro-2-(4-fluorophenyl)imidazo[4,5-b]pyridine

Conditions
ConditionsYield
In PPA44%
6-chloropyridine-2,3-diamine
40851-95-4

6-chloropyridine-2,3-diamine

2,2-dihydroxy-1-phenyl-ethanone
1075-06-5

2,2-dihydroxy-1-phenyl-ethanone

A

7-chloro-2-phenylpyrido[3,4-b]pyrazine

7-chloro-2-phenylpyrido[3,4-b]pyrazine

B

7-chloro-3-phenylpyrido[3,4-b]pyrazine

7-chloro-3-phenylpyrido[3,4-b]pyrazine

Conditions
ConditionsYield
In 1,4-dioxane for 6h; Reflux;A 44%
B 14%

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