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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

3,4-Diaminopyridine Manufacturer/High quality/Best price/In stock

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1

Negotiable

Type:Other

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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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

Amifampridine

Cas:54-96-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

LIDE PHARMACEUTICALS LIMITED

LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

3,4-Diaminopyridine 54-96-6

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Gram

FOB Price: $1000.0

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 54-96-6 with fast shipping

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 3,4-Pyridinediamine Molecular Formula:C5H7N3 Molecular Weight:109.13 CAS No.:54-96-6 Appearance:Slight Brown To Brown Solid Appearance:Slight Brown To Brown Solid Storage:Store in cool and dry place, away from sun light. Package:25kg Applic

3,4-Pyridinediamine

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Brownish to brown-gray crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

3,4-Diaminopyridine 54-96-6

Cas:54-96-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

3,4-Diaminopyridine/CAS:54-96-6

Cas:54-96-6

Min.Order:1 Gram

FOB Price: $46.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

3,4-Diaminopyridine CAS:54-96-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermed

3,4-Diaminopyridine CAS:54-96-6

Cas:54-96-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

3,4-Diaminopyridine

Cas:54-96-6

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

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

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

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

TIANFU-CHEM - 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

3,4-Diaminopyridine

Cas:54-96-6

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

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

3,4-Diaminopyridine Best price/In stock

Cas:54-96-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

3,4-Diaminopyridine/Manufacturer/High quality/Best price

Cas:54-96-6

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High quality 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality Appearance:brownish to brown-grey crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Inter

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

3,4-Diaminopyridine Chemical Properties Melting point 216-218 °C (lit.) Boiling point 194.6°C (rough estimate) density 1.1118 (rough estimate) refractive index 1.5340 (estimate) Fp 240 °C storage temp. Store below

3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

TIANFU-CHEM - 3,4-Diaminopyridine

Cas:54-96-6

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Synthetic route

4-amino-3-nitropyridine
1681-37-4

4-amino-3-nitropyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol at 20℃; under 5250.42 Torr; for 20h; Hydrogenation;98%
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran at 10℃; under 760.051 Torr; for 24h;97%
With palladium on activated charcoal; hydrogen In tetrahydrofuran; methanol at 20℃;97%
3-nitro-4-hydrazinopyridine
33544-42-2

3-nitro-4-hydrazinopyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
With hydrogen; nickel In ethanol at 20 - 50℃; under 3102.9 Torr; for 2h;94%
4-(benzylamino)-3-nitropyridine
100306-70-5

4-(benzylamino)-3-nitropyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol at 80℃; under 3102.9 Torr; for 30h;76%
4-aminopyridine
504-24-5

4-aminopyridine

6-(2,6-dichlorophenyl)-2-methanesulfinyl(or sulfonyl)-8-methyl-8H-pyrido<2,3-d>pyrimidin-7-one

6-(2,6-dichlorophenyl)-2-methanesulfinyl(or sulfonyl)-8-methyl-8H-pyrido<2,3-d>pyrimidin-7-one

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 97 percent / Et3N / acetonitrile / 1 h / 20 °C
2: 72 percent / N2O5 / nitromethane / 0.17 h / 0 °C
3: 96 percent / 2 M aq. HCl / 5 h / 70 °C
4: 98 percent / H2 / 5 percent Pd/C / methanol / 20 h / 20 °C / 5250.42 Torr
View Scheme
4-acetylaminopyridine
5221-42-1

4-acetylaminopyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 72 percent / N2O5 / nitromethane / 0.17 h / 0 °C
2: 96 percent / 2 M aq. HCl / 5 h / 70 °C
3: 98 percent / H2 / 5 percent Pd/C / methanol / 20 h / 20 °C / 5250.42 Torr
View Scheme
N-(3-nitropyridin-4-yl)acetamide
79371-42-9

N-(3-nitropyridin-4-yl)acetamide

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 96 percent / 2 M aq. HCl / 5 h / 70 °C
2: 98 percent / H2 / 5 percent Pd/C / methanol / 20 h / 20 °C / 5250.42 Torr
View Scheme
pyridin-4-ol
626-64-2

pyridin-4-ol

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 70 percent / fuming HNO3, fuming H2SO4 / 1,2-dichloro-ethane / 7 h / 80 - 82 °C
2: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
3: 90 percent / N2H4 / acetonitrile / 5 h / Heating
4: 94 percent / H2 / Raney Ni / ethanol / 2 h / 20 - 50 °C / 3102.9 Torr
View Scheme
Multi-step reaction with 4 steps
1: 70 percent / fuming HNO3, fuming H2SO4 / 1,2-dichloro-ethane / 7 h / 80 - 82 °C
2: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
3: 87 percent / CH3COONH4 / H2O / 7 h / Heating
4: 85 percent / H2 / 5percent Pd/C / methanol / 1.5 h / 20 - 30 °C / 2585.7 Torr
View Scheme
Multi-step reaction with 4 steps
1: 70 percent / fuming HNO3, fuming H2SO4 / 1,2-dichloro-ethane / 7 h / 80 - 82 °C
2: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
3: 163 g / ethanol / 18 h / Heating
4: 76 percent / H2 / 5percent Pd/C / ethanol / 30 h / 80 °C / 3102.9 Torr
View Scheme
4-ethoxy-3-nitropyridine hydrochloride
94602-04-7

4-ethoxy-3-nitropyridine hydrochloride

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / N2H4 / acetonitrile / 5 h / Heating
2: 94 percent / H2 / Raney Ni / ethanol / 2 h / 20 - 50 °C / 3102.9 Torr
View Scheme
Multi-step reaction with 2 steps
1: 87 percent / CH3COONH4 / H2O / 7 h / Heating
2: 85 percent / H2 / 5percent Pd/C / methanol / 1.5 h / 20 - 30 °C / 2585.7 Torr
View Scheme
Multi-step reaction with 2 steps
1: 163 g / ethanol / 18 h / Heating
2: 76 percent / H2 / 5percent Pd/C / ethanol / 30 h / 80 °C / 3102.9 Torr
View Scheme
4-hydroxy-3-nitropyridine
5435-54-1

4-hydroxy-3-nitropyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
2: 90 percent / N2H4 / acetonitrile / 5 h / Heating
3: 94 percent / H2 / Raney Ni / ethanol / 2 h / 20 - 50 °C / 3102.9 Torr
View Scheme
Multi-step reaction with 3 steps
1: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
2: 87 percent / CH3COONH4 / H2O / 7 h / Heating
3: 85 percent / H2 / 5percent Pd/C / methanol / 1.5 h / 20 - 30 °C / 2585.7 Torr
View Scheme
Multi-step reaction with 3 steps
1: PCl5 / 1) PCl5, 1,2-dichloroethane, reflux, 6 h , 2) reflux, 1 h
2: 163 g / ethanol / 18 h / Heating
3: 76 percent / H2 / 5percent Pd/C / ethanol / 30 h / 80 °C / 3102.9 Torr
View Scheme
4-aminopyridine
504-24-5

4-aminopyridine

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; potassium nitrate / 6.5 h / 10 - 65 °C
2: sodium sulfide / methanol; water / 0 - 65 °C
View Scheme
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Glyoxal
131543-46-9

Glyoxal

pyrido[3,4-b]pyrazine
254-86-4

pyrido[3,4-b]pyrazine

Conditions
ConditionsYield
In ethanol; water at 110℃; for 1h; Inert atmosphere; Microwave irradiation;100%
In ethanol for 12h; Reflux;100%
In water for 12h; Reflux;100%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(3-Amino-pyridin-4-yl)-carbamic acid tert-butyl ester
183311-28-6

(3-Amino-pyridin-4-yl)-carbamic acid tert-butyl ester

Conditions
ConditionsYield
In tetrahydrofuran100%
Stage #1: 3,4-diaminopyridine; di-tert-butyl dicarbonate In dichloromethane at 20℃;
Stage #2: With potassium carbonate In dichloromethane regioselective reaction;
78%
In dichloromethane at 20℃;78%
In dichloromethane at 20℃;75%
With sodium chloride; potassium carbonate In tetrahydrofuran; water; ethyl acetate950 mg (53%)
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

9-fluorenone-4-carbonyl chloride
7071-83-2

9-fluorenone-4-carbonyl chloride

C19H11N3O
915138-72-6

C19H11N3O

Conditions
ConditionsYield
Stage #1: 3,4-diaminopyridine; 9-fluorenone-4-carbonyl chloride With triethylamine In dichloromethane for 4h;
Stage #2: With hydrogenchloride; trifluoroacetic acid; trifluoroacetic anhydride at 109℃; for 0.333333h; Microwave irradiation;
100%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

C5H7N3*(x)H3O4P

C5H7N3*(x)H3O4P

Conditions
ConditionsYield
With phosphoric acid In ethanol at 22 - 60.4℃; for 17.5333h; Temperature; Solvent;99.7%
carbon disulfide
75-15-0

carbon disulfide

3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

1H-imidazo[4,5-c]pyridine-2(3H)-thione
7239-81-8

1H-imidazo[4,5-c]pyridine-2(3H)-thione

Conditions
ConditionsYield
In pyridine for 5h; Heating;99%
With potassium hydroxide In water at 70℃;
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate
83431-63-4

Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate

(4-Chloro-benzothiazol-2-yl)-(1H-imidazo[4,5-c]pyridin-2-yl)-amine
103588-29-0

(4-Chloro-benzothiazol-2-yl)-(1H-imidazo[4,5-c]pyridin-2-yl)-amine

Conditions
ConditionsYield
In various solvent(s) Heating;98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

carbon monoxide
201230-82-2

carbon monoxide

1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one
7397-68-4

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

Conditions
ConditionsYield
With selenium In tetrahydrofuran at 100℃; under 22800.7 Torr; for 20h;98%
With selenium 1.) THF, 31 kg/cm2, 100 degC, 20 h, 2.) 25 degC, 1 h;96%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

benzil
134-81-6

benzil

2,3-diphenylpyrido<3,4-b>pyrazine
67899-59-6

2,3-diphenylpyrido<3,4-b>pyrazine

Conditions
ConditionsYield
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 3h; Reflux;98%
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux;97%
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux;96%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

acetyllithocholic acid
4057-84-5

acetyllithocholic acid

3α-(O-acetyllithocholoyloxy)-23-(1H-imidazo(4,5-c)pyridin-2-yl)norcholane

3α-(O-acetyllithocholoyloxy)-23-(1H-imidazo(4,5-c)pyridin-2-yl)norcholane

Conditions
ConditionsYield
With boric acid In xylene for 480h; Heating;98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

trifluoroacetic acid
76-05-1

trifluoroacetic acid

2-Trifluoromethyl-3H-imidazo<4,5-c>pyridine
19918-36-6

2-Trifluoromethyl-3H-imidazo<4,5-c>pyridine

Conditions
ConditionsYield
for 48h; Heating;98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

Thiazole-4-carboxylic acid
3973-08-8

Thiazole-4-carboxylic acid

4-(1H-imidazo[4,5-c]pyridin-2-yl)thiazole
65911-26-4

4-(1H-imidazo[4,5-c]pyridin-2-yl)thiazole

Conditions
ConditionsYield
With PPA at 180℃; for 2h;98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

1,4-dihydro-pyrido[3,4-b]pyrazine-2,3-dione
35251-84-4

1,4-dihydro-pyrido[3,4-b]pyrazine-2,3-dione

Conditions
ConditionsYield
With oxalic acid In hydrogenchloride98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

1,2-bis(4-fluorophenyl)ethane-1,2-dione
579-39-5

1,2-bis(4-fluorophenyl)ethane-1,2-dione

2,3-bis(4-fluorophenyl)pyrido[3,4-b]pyrazine
309970-10-3

2,3-bis(4-fluorophenyl)pyrido[3,4-b]pyrazine

Conditions
ConditionsYield
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux;98%
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 2h; Reflux;97%
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux;95%
With ziconium(IV) oxychloride octahydrate In water at 100℃; for 2.5h; Green chemistry;88%
With mesoporous silica SBA-15 functionalized with Cu(II)-DiAmSar complex In neat (no solvent) at 100℃; for 0.833333h;78%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

acenaphthene quinone
82-86-0

acenaphthene quinone

acenaphtho[1,2-b]pyrido[3,4-e]pyrazine
22724-35-2

acenaphtho[1,2-b]pyrido[3,4-e]pyrazine

Conditions
ConditionsYield
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 2h; Reflux;98%
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux;96%
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux;96%
With ziconium(IV) oxychloride octahydrate In water at 100℃; for 2.5h; Green chemistry;86%
With mesoporous silica SBA-15 functionalized with Cu(II)-DiAmSar complex In neat (no solvent) at 100℃; for 0.833333h;80%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

9,10-phenanthrenequinone
84-11-7

9,10-phenanthrenequinone

dibenzo[f,h]pyrido[3,4-b]quinoxaline
215-65-6

dibenzo[f,h]pyrido[3,4-b]quinoxaline

Conditions
ConditionsYield
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 2h; Reflux;98%
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux;97%
In ethanol for 6h; Reflux; Inert atmosphere;95%
With ziconium(IV) oxychloride octahydrate In water at 100℃; for 2.5h; Green chemistry;87%
With mesoporous silica SBA-15 functionalized with Cu(II)-DiAmSar complex In neat (no solvent) at 100℃; for 0.833333h;80%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

methyl 2,2,2-trichloroacetimidate
2533-69-9

methyl 2,2,2-trichloroacetimidate

N-(3-aminopyridin-4-yl)-2,2,2-trichloroacetamide
1448536-56-8

N-(3-aminopyridin-4-yl)-2,2,2-trichloroacetamide

Conditions
ConditionsYield
With trifluoroacetic acid at 0 - 25℃; for 48h;98%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

formic acid
64-18-6

formic acid

Imidazo<4,5-c>pyridin
272-97-9

Imidazo<4,5-c>pyridin

Conditions
ConditionsYield
at 140℃; for 48h;97%
Heating;87%
for 12h; Reflux;48%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

S,S-Dimethyl N-(2-benzothiazolyl)-carbonimidodithioate
76423-99-9

S,S-Dimethyl N-(2-benzothiazolyl)-carbonimidodithioate

2-(2-benzothiazolylamino)-imidazo<4,5-c>pyridine
103588-27-8

2-(2-benzothiazolylamino)-imidazo<4,5-c>pyridine

Conditions
ConditionsYield
In various solvent(s) Heating;97%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

valeric acid
109-52-4

valeric acid

2-n-butyl-imidazo<4,5-c>pyridine
133239-95-9

2-n-butyl-imidazo<4,5-c>pyridine

Conditions
ConditionsYield
With PPA at 160℃; for 3h;97%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

1,2-bis(4-methoxyphenyl)-1,2-ethanedione
1226-42-2

1,2-bis(4-methoxyphenyl)-1,2-ethanedione

2,3-bis(p-methoxyphenyl)pyrido<3,4-b>pyrazine

2,3-bis(p-methoxyphenyl)pyrido<3,4-b>pyrazine

Conditions
ConditionsYield
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 5h; Reflux;97%
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux;95%
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux;94%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

9,10-phenanthrenequinone
84-11-7

9,10-phenanthrenequinone

dibenzo[f,h]pyrido[2,3-b]quinoxaline
215-66-7

dibenzo[f,h]pyrido[2,3-b]quinoxaline

Conditions
ConditionsYield
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux;97%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

benzoic acid
65-85-0

benzoic acid

2-phenyl-3H-imidazo[4,5-c]pyridine
75007-92-0

2-phenyl-3H-imidazo[4,5-c]pyridine

Conditions
ConditionsYield
With PPA at 190℃; for 3h;96%
With PPA; Polyphosphoric acid (PPA) at 200℃; for 3.5h;84%
With polyphosphoric acid at 190℃; for 5h;
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

benzoic acid
65-85-0

benzoic acid

2-Phenyl-1H-imidazo<4,5-c>pyridine
75007-92-0

2-Phenyl-1H-imidazo<4,5-c>pyridine

Conditions
ConditionsYield
With PPA at 190℃; for 3h;96%
With PPA at 180℃; for 3.5h;90%
With polyphosphoric acid at 190℃; for 5h;
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

o-fluoro-benzoic acid
445-29-4

o-fluoro-benzoic acid

2-(2-fluorophenyl)-1H-imidazo[4,5-c]pyridine

2-(2-fluorophenyl)-1H-imidazo[4,5-c]pyridine

Conditions
ConditionsYield
With polyphosphoric acid at 150℃; for 18h;96%
With PPA at 190℃; for 4h;
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

N,N'-3,4-pyridinediylbis(2,2,2-trifluoroacetamide) trifluoroacetic acid

N,N'-3,4-pyridinediylbis(2,2,2-trifluoroacetamide) trifluoroacetic acid

Conditions
ConditionsYield
In dichloromethane at 20 - 35℃; Sonication;96%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

benzyl bromide
100-39-0

benzyl bromide

1-benzyl-4-imino-1,4-dihydropyridin-3-amine hydrobromide

1-benzyl-4-imino-1,4-dihydropyridin-3-amine hydrobromide

Conditions
ConditionsYield
In acetonitrile at 20℃; Large scale;96%
In acetonitrile at 15 - 25℃; Large scale;96%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

4-iodobenzoic acid
619-58-9

4-iodobenzoic acid

C12H8IN3

C12H8IN3

Conditions
ConditionsYield
With polyphosphoric acid at 130℃; for 16h;95.1%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

(E)-N(3)-(4-chlorobenzylidene)pyridine-3,4-diamine
1094703-76-0

(E)-N(3)-(4-chlorobenzylidene)pyridine-3,4-diamine

Conditions
ConditionsYield
In ethanol for 3h; Reflux; regioselective reaction;95%
3,4-diaminopyridine
54-96-6

3,4-diaminopyridine

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

(E)-N(3)-(4-nitrobenzylidene)pyridine-3,4-diamine
1094703-82-8

(E)-N(3)-(4-nitrobenzylidene)pyridine-3,4-diamine

Conditions
ConditionsYield
In ethanol for 3h; Reflux; regioselective reaction;95%
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