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
Cas:54-96-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryThe 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
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
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
LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
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Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
inquiryOur 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
Cas:54-96-6
Min.Order:1 Kilogram
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Type:Trading Company
inquiryHenan 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
Cas:54-96-6
Min.Order:1 Gram
FOB Price: $1000.0
Type:Lab/Research institutions
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inquiryName: 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
Appearance:Brownish to brown-gray crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.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
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Min.Order:1 Kilogram
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inquiryOur 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
Cas:54-96-6
Min.Order:1 Gram
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Type:Trading Company
inquiry3,4-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
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Min.Order:1 Gram
Negotiable
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inquiryHello, 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
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Min.Order:1 Kilogram
Negotiable
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inquiryHenan 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
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Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryA 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
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Min.Order:4 Kilogram
Negotiable
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inquiry1. 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
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Min.Order:1 Kilogram
FOB Price: $30.0 / 50.0
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:54-96-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&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
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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
Cas:54-96-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryZibo 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
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Min.Order:10 Gram
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Type:Lab/Research institutions
inquirysuperior 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
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 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
Cas:54-96-6
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryfactory?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
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Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
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
3,4-diaminopyridine
Conditions | Yield |
---|---|
With hydrogen; nickel In ethanol at 20 - 50℃; under 3102.9 Torr; for 2h; | 94% |
4-(benzylamino)-3-nitropyridine
3,4-diaminopyridine
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol at 80℃; under 3102.9 Torr; for 30h; | 76% |
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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
3,4-diaminopyridine
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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
3,4-diaminopyridine
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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
di-tert-butyl dicarbonate
(3-Amino-pyridin-4-yl)-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran | 100% |
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 acetate | 950 mg (53%) |
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
With phosphoric acid In ethanol at 22 - 60.4℃; for 17.5333h; Temperature; Solvent; | 99.7% |
carbon disulfide
3,4-diaminopyridine
1H-imidazo[4,5-c]pyridine-2(3H)-thione
Conditions | Yield |
---|---|
In pyridine for 5h; Heating; | 99% |
With potassium hydroxide In water at 70℃; |
3,4-diaminopyridine
Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate
(4-Chloro-benzothiazol-2-yl)-(1H-imidazo[4,5-c]pyridin-2-yl)-amine
Conditions | Yield |
---|---|
In various solvent(s) Heating; | 98% |
3,4-diaminopyridine
carbon monoxide
1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
With boric acid In xylene for 480h; Heating; | 98% |
3,4-diaminopyridine
trifluoroacetic acid
2-Trifluoromethyl-3H-imidazo<4,5-c>pyridine
Conditions | Yield |
---|---|
for 48h; Heating; | 98% |
3,4-diaminopyridine
Thiazole-4-carboxylic acid
4-(1H-imidazo[4,5-c]pyridin-2-yl)thiazole
Conditions | Yield |
---|---|
With PPA at 180℃; for 2h; | 98% |
3,4-diaminopyridine
1,4-dihydro-pyrido[3,4-b]pyrazine-2,3-dione
Conditions | Yield |
---|---|
With oxalic acid In hydrogenchloride | 98% |
3,4-diaminopyridine
1,2-bis(4-fluorophenyl)ethane-1,2-dione
2,3-bis(4-fluorophenyl)pyrido[3,4-b]pyrazine
Conditions | Yield |
---|---|
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
acenaphthene quinone
acenaphtho[1,2-b]pyrido[3,4-e]pyrazine
Conditions | Yield |
---|---|
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
9,10-phenanthrenequinone
dibenzo[f,h]pyrido[3,4-b]quinoxaline
Conditions | Yield |
---|---|
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
methyl 2,2,2-trichloroacetimidate
N-(3-aminopyridin-4-yl)-2,2,2-trichloroacetamide
Conditions | Yield |
---|---|
With trifluoroacetic acid at 0 - 25℃; for 48h; | 98% |
Conditions | Yield |
---|---|
at 140℃; for 48h; | 97% |
Heating; | 87% |
for 12h; Reflux; | 48% |
3,4-diaminopyridine
S,S-Dimethyl N-(2-benzothiazolyl)-carbonimidodithioate
2-(2-benzothiazolylamino)-imidazo<4,5-c>pyridine
Conditions | Yield |
---|---|
In various solvent(s) Heating; | 97% |
Conditions | Yield |
---|---|
With PPA at 160℃; for 3h; | 97% |
Conditions | Yield |
---|---|
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
9,10-phenanthrenequinone
dibenzo[f,h]pyrido[2,3-b]quinoxaline
Conditions | Yield |
---|---|
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux; | 97% |
Conditions | Yield |
---|---|
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; |
Conditions | Yield |
---|---|
With PPA at 190℃; for 3h; | 96% |
With PPA at 180℃; for 3.5h; | 90% |
With polyphosphoric acid at 190℃; for 5h; |
Conditions | Yield |
---|---|
With polyphosphoric acid at 150℃; for 18h; | 96% |
With PPA at 190℃; for 4h; |
Conditions | Yield |
---|---|
In dichloromethane at 20 - 35℃; Sonication; | 96% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Large scale; | 96% |
In acetonitrile at 15 - 25℃; Large scale; | 96% |
Conditions | Yield |
---|---|
With polyphosphoric acid at 130℃; for 16h; | 95.1% |
3,4-diaminopyridine
4-chlorobenzaldehyde
(E)-N(3)-(4-chlorobenzylidene)pyridine-3,4-diamine
Conditions | Yield |
---|---|
In ethanol for 3h; Reflux; regioselective reaction; | 95% |
3,4-diaminopyridine
4-nitrobenzaldehdye
(E)-N(3)-(4-nitrobenzylidene)pyridine-3,4-diamine
Conditions | Yield |
---|---|
In ethanol for 3h; Reflux; regioselective reaction; | 95% |
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