Good quality Good price Promptly delivery Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:intermediate Transportation: According to
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inquiryCangzhou 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, intermedi
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inquiryOur 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
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inquiryWITH 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
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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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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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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 s
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inquiry2,3-Diaminobenzamide is one of the most competitive products in our company, we can supply it with good quality and best price. Appearance:Light brown to brown solid Storage:Room temperature, Keep in Dark Place. Package:Kilograms/MT Application:Pharm
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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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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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inquiryProduct 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,
Cas:711007-44-2
Min.Order:1 Kilogram
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inquiry1.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
Cas:711007-44-2
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inquiryHigh 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
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
Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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inquiryAnsciep 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
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Pharm intermediate
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
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inquirySupply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
bulk?production Application:Pharmaceutical intermediates
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
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Cas:711007-44-2
Min.Order:10 Milligram
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Type:Lab/Research institutions
inquiry1. Certificate Of Analysis (COA) 2. Material Safety Data Sheet (MSDS) 3. Route of synthesis (ROS) 4. Method of Aanlysis (MOA) 5. Nuclear Magnetic Resonance (NMR) 6. Packing pictures and loading video before loading 7. Free Sample 9. F
Cas:711007-44-2
Min.Order:10 Gram
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Type:Trading Company
inquiry2-amino-3-nitro-benzamide
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol | 100% |
With hydrogen; palladium 10% on activated carbon In methanol at 20℃; under 1500.15 Torr; for 5h; | 98% |
With palladium 10% on activated carbon; hydrogen In methanol; water at 20℃; under 1500.15 Torr; for 5h; | 98% |
di-nitrophenylcarboxamide
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol; N,N-dimethyl-formamide at 20℃; under 760 Torr; for 16h; | 79% |
2,3-di-nitrobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 42 percent / ammonium carbonate; CDI / dimethylformamide / 24.5 h / 20 °C 2: 79 percent / H2 / Pd/C / ethanol; dimethylformamide / 16 h / 20 °C / 760 Torr View Scheme |
3-nitroanthranilic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2 / tetrahydrofuran; dimethylformamide / 20 °C 2: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 3: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C 2: ammonia / water / 1 h / 10 - 50 °C 3: hydrogen / palladium 10% on activated carbon / methanol / 5 h / 20 °C / 1500.15 Torr View Scheme | |
Multi-step reaction with 2 steps 1.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C 1.2: 10 - 50 °C 2.1: hydrogen; palladium 10% on activated carbon / water; methanol / 5 h / 20 °C / 1500.15 Torr View Scheme |
2-carbamoyl-3-nitrobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 93 percent / Br2; aq. KOH / 3 h / 60 °C 2: SOCl2 / tetrahydrofuran; dimethylformamide / 20 °C 3: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 4: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme |
2-amino-3-nitrobenzoyl chloride
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 2: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 2 steps 1: ammonia / water / 1 h / 10 - 50 °C 2: hydrogen / palladium 10% on activated carbon / methanol / 5 h / 20 °C / 1500.15 Torr View Scheme | |
Multi-step reaction with 2 steps 1: ammonium hydroxide / 40 °C / Large scale 2: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
C7H10N4O
2,3-diaminobenzamide
Conditions | Yield |
---|---|
nickel In DMF (N,N-dimethyl-formamide); water at 100℃; for 8h; | |
With hydrazine In DMF (N,N-dimethyl-formamide); water; butan-1-ol at 100℃; for 2h; |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium azide; palladium 10% on activated carbon |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; trichlorophosphate In toluene |
3-nitrophthalic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: acetic anhydride / Isopropyl acetate / 60 °C / Inert atmosphere; Large scale 2.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 2.2: 20 °C / Inert atmosphere; Large scale 3.1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 4.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 5.1: ammonium hydroxide / 40 °C / Large scale 6.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 6 steps 1.1: acetic anhydride / Isopropyl acetate / 60 °C / Inert atmosphere; Large scale 2.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 2.2: 20 °C / Inert atmosphere; Large scale 3.1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 4.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 5.1: ammonium hydroxide / 40 °C / Large scale 6.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
3-nitrophthalic acid anhydride
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 1.2: 20 °C / Inert atmosphere; Large scale 2.1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 3.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 4.1: ammonium hydroxide / 40 °C / Large scale 5.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 5 steps 1.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 1.2: 20 °C / Inert atmosphere; Large scale 2.1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 3.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 4.1: ammonium hydroxide / 40 °C / Large scale 5.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 2: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 3: ammonium hydroxide / 40 °C / Large scale 4: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 4 steps 1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 2: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 3: ammonium hydroxide / 40 °C / Large scale 4: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
2,3-diaminobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzoic acid With thionyl chloride In N,N-dimethyl-formamide at 30℃; Stage #2: With ammonium hydroxide at 50℃; for 3h; | |
Stage #1: 2,3-diaminobenzoic acid With thionyl chloride In N,N-dimethyl-formamide at 30℃; Stage #2: With ammonium hydroxide In N,N-dimethyl-formamide at 50℃; for 3h; |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: m-tolyl aldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: cyclohexanecarbaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 90% |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; isopropyl alcohol at 42℃; | 89% |
With hydrogenchloride In methanol; isopropyl alcohol | |
With hydrogenchloride In methanol; isopropyl alcohol Heating / reflux; | |
With hydrogenchloride In ethyl acetate at 30℃; Cooling; Large scale; | 19.08 kg |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-pyridinecarboxaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 89% |
tert butyl 4-formylpiperidine-1-carboxylate
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium hydrogensulfite at 130℃; for 5h; | 88% |
nicotinic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h; | 85% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: pyridine-4-carbaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 83% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 4-nitrobenzaldehdye In ethanol at 20℃; Irradiation; Green chemistry; | 81% |
2-methoxy-isonicotinic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h; | 81% |
1-oxyl-2,2,6,6-tetramethyl-1,2,3,6-tetrahydropyridine-4-carbaldehyde
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium metabisulfite In N,N-dimethyl-formamide at 120℃; for 4h; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-Fluorobenzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 79% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: furfural In ethanol at 20℃; Irradiation; Green chemistry; | 78% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-nitro-benzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 77% |
2-amino-3-nitro-benzamide
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol | 100% |
With hydrogen; palladium 10% on activated carbon In methanol at 20℃; under 1500.15 Torr; for 5h; | 98% |
With palladium 10% on activated carbon; hydrogen In methanol; water at 20℃; under 1500.15 Torr; for 5h; | 98% |
di-nitrophenylcarboxamide
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol; N,N-dimethyl-formamide at 20℃; under 760 Torr; for 16h; | 79% |
2,3-di-nitrobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 42 percent / ammonium carbonate; CDI / dimethylformamide / 24.5 h / 20 °C 2: 79 percent / H2 / Pd/C / ethanol; dimethylformamide / 16 h / 20 °C / 760 Torr View Scheme |
3-nitroanthranilic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2 / tetrahydrofuran; dimethylformamide / 20 °C 2: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 3: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C 2: ammonia / water / 1 h / 10 - 50 °C 3: hydrogen / palladium 10% on activated carbon / methanol / 5 h / 20 °C / 1500.15 Torr View Scheme | |
Multi-step reaction with 2 steps 1.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C 1.2: 10 - 50 °C 2.1: hydrogen; palladium 10% on activated carbon / water; methanol / 5 h / 20 °C / 1500.15 Torr View Scheme |
2-carbamoyl-3-nitrobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 93 percent / Br2; aq. KOH / 3 h / 60 °C 2: SOCl2 / tetrahydrofuran; dimethylformamide / 20 °C 3: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 4: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme |
2-amino-3-nitrobenzoyl chloride
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: conc. aq. NH3 / tetrahydrofuran; dimethylformamide 2: H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 2 steps 1: ammonia / water / 1 h / 10 - 50 °C 2: hydrogen / palladium 10% on activated carbon / methanol / 5 h / 20 °C / 1500.15 Torr View Scheme | |
Multi-step reaction with 2 steps 1: ammonium hydroxide / 40 °C / Large scale 2: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
C7H10N4O
2,3-diaminobenzamide
Conditions | Yield |
---|---|
nickel In DMF (N,N-dimethyl-formamide); water at 100℃; for 8h; | |
With hydrazine In DMF (N,N-dimethyl-formamide); water; butan-1-ol at 100℃; for 2h; |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium azide; palladium 10% on activated carbon |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; trichlorophosphate In toluene |
3-nitrophthalic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: acetic anhydride / Isopropyl acetate / 60 °C / Inert atmosphere; Large scale 2.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 2.2: 20 °C / Inert atmosphere; Large scale 3.1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 4.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 5.1: ammonium hydroxide / 40 °C / Large scale 6.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 6 steps 1.1: acetic anhydride / Isopropyl acetate / 60 °C / Inert atmosphere; Large scale 2.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 2.2: 20 °C / Inert atmosphere; Large scale 3.1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 4.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 5.1: ammonium hydroxide / 40 °C / Large scale 6.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
3-nitrophthalic acid anhydride
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 1.2: 20 °C / Inert atmosphere; Large scale 2.1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 3.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 4.1: ammonium hydroxide / 40 °C / Large scale 5.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 5 steps 1.1: ammonium hydroxide / 2.5 h / 0 - 15 °C / Inert atmosphere; Large scale 1.2: 20 °C / Inert atmosphere; Large scale 2.1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 3.1: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 4.1: ammonium hydroxide / 40 °C / Large scale 5.1: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium hydroxide; bromine / water / 1.5 h / 0 - 75 °C / Inert atmosphere; Large scale 2: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 3: ammonium hydroxide / 40 °C / Large scale 4: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme | |
Multi-step reaction with 4 steps 1: potassium hydroxide; potassium bromide; potassium hypobromite / water / 75 °C 2: thionyl chloride / 1,2-dimethoxyethane / 12 h / 50 °C / Large scale 3: ammonium hydroxide / 40 °C / Large scale 4: hydrogen / water; ethanol; ethyl acetate / 1.67 h / 40 °C / 2828.7 Torr / Cooling; Large scale View Scheme |
2,3-diaminobenzoic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzoic acid With thionyl chloride In N,N-dimethyl-formamide at 30℃; Stage #2: With ammonium hydroxide at 50℃; for 3h; | |
Stage #1: 2,3-diaminobenzoic acid With thionyl chloride In N,N-dimethyl-formamide at 30℃; Stage #2: With ammonium hydroxide In N,N-dimethyl-formamide at 50℃; for 3h; |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: m-tolyl aldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: cyclohexanecarbaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 90% |
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; isopropyl alcohol at 42℃; | 89% |
With hydrogenchloride In methanol; isopropyl alcohol | |
With hydrogenchloride In methanol; isopropyl alcohol Heating / reflux; | |
With hydrogenchloride In ethyl acetate at 30℃; Cooling; Large scale; | 19.08 kg |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-pyridinecarboxaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 89% |
tert butyl 4-formylpiperidine-1-carboxylate
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium hydrogensulfite at 130℃; for 5h; | 88% |
nicotinic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h; | 85% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: pyridine-4-carbaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 83% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 4-nitrobenzaldehdye In ethanol at 20℃; Irradiation; Green chemistry; | 81% |
2-methoxy-isonicotinic acid
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h; | 81% |
1-oxyl-2,2,6,6-tetramethyl-1,2,3,6-tetrahydropyridine-4-carbaldehyde
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With sodium metabisulfite In N,N-dimethyl-formamide at 120℃; for 4h; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-Fluorobenzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 79% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: furfural In ethanol at 20℃; Irradiation; Green chemistry; | 78% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 3-nitro-benzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 77% |
(R)-2-Methyl-1-azacyclopentan-2-carbonsaeure
2,3-diaminobenzamide
veliparib
Conditions | Yield |
---|---|
With hydrogenchloride In water at 75 - 80℃; for 60h; Inert atmosphere; | 72.1% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 2-chloro-benzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 72% |
4-(4-methylphenyl)-1-phenylbut-3-yn-1-one
2,3-diaminobenzamide
Conditions | Yield |
---|---|
With triethylamine In ethanol at 22℃; for 2h; regioselective reaction; | 66% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: m-Chlorobenzaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 65% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: 4-chlorobenzaldehyde In ethanol at 20℃; Reagent/catalyst; Irradiation; Green chemistry; | 65% |
Conditions | Yield |
---|---|
Stage #1: 2,3-diaminobenzamide With 3,6-di(2'-pyridyl)-1,2,4,5-tetrazine In ethanol at 20℃; Darkness; Green chemistry; Stage #2: thiophene-2-carbaldehyde In ethanol at 20℃; Irradiation; Green chemistry; | 65% |
5-formyl-1,1,3,3-tetramethylisoindolin-2-yloxyl
2,3-diaminobenzamide
2-(1,1,3,3-tetramethyl-2,3-dihydro-1H-isoindol-5-yl)-1H-benzimidazole-4-carboxylic acid amide
Conditions | Yield |
---|---|
With sodium metabisulfite In N,N-dimethyl-formamide at 120℃; for 4h; Inert atmosphere; | 63% |
2,3-diaminobenzamide
methyl 2,2,2-trichloroacetimidate
Conditions | Yield |
---|---|
With trifluoroacetic acid In diethyl ether; dichloromethane at 20℃; for 6h; | 61.3% |
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