DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:603-81-6
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Cas:603-81-6
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Cas:603-81-6
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inquiryName: 2,3-Diaminobenzoic acid Synonyms: 3-carboxy-1,2-diaminobenzen CAS: 603-81-6 MF: C7H8N2O2 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application: APIs Transportation:By sea or by air Po
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Cas:603-81-6
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inquiry2,3-Diaminobenzoic acid CAS:603-81-6 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 in
Cas:603-81-6
Min.Order:1 Gram
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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
Cas:603-81-6
Min.Order:1 Kilogram
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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
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
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
Cas:603-81-6
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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
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
Cas:603-81-6
Min.Order:10 Gram
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inquiryProduct Name: 2,3-Diaminobenzoic acid Synonyms: 3-carboxy-1,2-diaminobenzene;2,3-DIAMINOBENZOIC ACID;2,3-Diaminobenzonicacid;2,3-bis(azanyl)benzoic acid;2,3-diaMinobenzoic acid hydrochloride CAS: 603-81-6 MF: C7H8N2O2 MW: 152.15 EINEC
Cas:603-81-6
Min.Order:1 Metric Ton
FOB Price: $8900.0
Type:Lab/Research institutions
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. Product Name:2,3-Diaminobenzoic acid CAS No:603-81-
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
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Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, in
Cas:603-81-6
Min.Order:1 Kilogram
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inquiryOur company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceutical an
Cas:603-81-6
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Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:603-81-6
Min.Order:0
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Type:Lab/Research institutions
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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 product spec
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
Cas:603-81-6
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inquiryAppearance: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
Cas:603-81-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio
2,3-Diaminobenzoic acid cas 603-81-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Conditions | Yield |
---|---|
With sodium dithionite In ethanol for 1h; Heating; | 74% |
With palladium 10% on activated carbon; hydrogen In methanol under 760.051 Torr; | 69% |
With hydrogen; 10percent Pd/C In methanol under 760.051 Torr; | 66% |
3-Amino-2-nitrobenzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride | |
With hydrogenchloride; tin |
2-acetylamino-3-nitro-benzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; zinc |
2-carbamoyl-3-nitrobenzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. KOH; Br2 / 80 °C 2: NaOH; hydrazine hydrate; Raney Ni View Scheme | |
Multi-step reaction with 2 steps 1: 93 percent / Br2; aq. KOH / 3 h / 60 °C 2: 66 percent / H2 / 10percent Pd/C / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 2 steps 1: NaOCl, aq. NaOH 2: H2, aq. NaOH / Pd/C / 4 h / 760 Torr View Scheme | |
Multi-step reaction with 2 steps 1: sodium hypochlorite; water; sodium hydroxide / 0 - 80 °C 2: hydrazine hydrate; sodium hydroxide / methanol / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: bromine; potassium hydroxide / water / 0 - 60 °C 2: hydrogen; palladium 10% on activated carbon / methanol / 760.05 Torr View Scheme |
2-Amino-3-nitrobenzoic acid,ethyl ester
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. KOH / Heating 2: H2, aq. NaOH / Pd/C View Scheme |
ethyl 2-carboxy-3-nitrobenzoate
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: SOCl2 / 1 h / Heating 2: aq. NaN3 / acetone / 1 h / below 25 deg C 3: aq. AcOH / 0.17 h / Heating 4: aq. KOH / Heating 5: H2, aq. NaOH / Pd/C View Scheme |
3-nitro-phthalic acid-1-ethyl ester-2-chloride
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: aq. NaN3 / acetone / 1 h / below 25 deg C 2: aq. AcOH / 0.17 h / Heating 3: aq. KOH / Heating 4: H2, aq. NaOH / Pd/C View Scheme |
2-Azidocarbonyl-3-nitro-benzoic acid ethyl ester
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aq. AcOH / 0.17 h / Heating 2: aq. KOH / Heating 3: H2, aq. NaOH / Pd/C View Scheme |
2-nitro-3-(N'-nitro-ureido)-benzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water 2: tin; hydrochloric acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diethyl ether 2: potassium permanganate; aqueous KOH-solution 3: zinc; aqueous hydrochloric acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diethyl ether 2: potassium permanganate; aqueous KOH-solution 3: zinc; aqueous hydrochloric acid View Scheme |
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium permanganate; aqueous KOH-solution 2: zinc; aqueous hydrochloric acid View Scheme |
2,3-di-nitrobenzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
With stannous chloride In hydrogenchloride; water; acetic acid |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ammonia; water / 0 °C 2: sodium hypochlorite; water; sodium hydroxide / 0 - 80 °C 3: hydrazine hydrate; sodium hydroxide / methanol / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: ammonia 2: bromine; sodium hydroxide 3: sodium hydroxide / raney Nickel / methanol View Scheme | |
Multi-step reaction with 3 steps 1: ammonium hydroxide / water / 0 °C 2: bromine; potassium hydroxide / water / 0 - 60 °C 3: hydrogen; palladium 10% on activated carbon / methanol / 760.05 Torr View Scheme | |
Multi-step reaction with 3 steps 2: sodium hydroxide; sodium hypochlorite / water 3: palladium-carbon / methanol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: acetic anhydride / Reflux 2: ammonia; water / 0 °C 3: sodium hypochlorite; water; sodium hydroxide / 0 - 80 °C 4: hydrazine hydrate; sodium hydroxide / methanol / Reflux View Scheme |
2-aminoacetyl-3-nitrobenzoic acid
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: bromine; sodium hydroxide 2: sodium hydroxide / raney Nickel / methanol View Scheme |
ammonium 3-nitrophthalamidate
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide; sodium hypochlorite / water 2: palladium-carbon / methanol View Scheme |
furil
2,3-diaminobenzoic acid
2,3-bis-(2-furyl)-5-quinoxalinecarboxylic acid
Conditions | Yield |
---|---|
In hydrogenchloride for 1h; heating on boiling water bath; | 99.8% |
orthoformic acid triethyl ester
2,3-diaminobenzoic acid
benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
at 130℃; | 98% |
at 130℃; | 7.3 g |
2,3-diaminobenzoic acid
2,1,3-benzoselenadiazole-4-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; selenium(IV) oxide In water at 80℃; for 2h; | 97% |
Difluoroacetic acid
2,3-diaminobenzoic acid
2-(difluoromethyl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: Difluoroacetic acid; 2,3-diaminobenzoic acid With hydrogenchloride In water for 16h; Reflux; Stage #2: With ammonia In water | 96% |
With hydrogenchloride In water at 20℃; for 16h; Reflux; | 96% |
indan-1,2,3-trione hydrate
2,3-diaminobenzoic acid
11-oxo-11H-indeno<1,2-b>quinoxaline-6-carboxylic acid
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96% |
6-chloronicotinylaldehyde
2,3-diaminobenzoic acid
2-(6-chloropyridin-3-yl)-1H-benzo[d]imidazole-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium disulfite In N,N-dimethyl-formamide at 100℃; for 18h; | 95% |
dimethylglyoxal
2,3-diaminobenzoic acid
2,3-dimethyl-5-quinoxalinecarboxylic acid
Conditions | Yield |
---|---|
In acetic acid for 2h; Heating; | 94% |
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
2,3-diaminobenzoic acid
2,3-bis-(4-methoxyphenyl)-5-quinoxalinecarboxylic acid
Conditions | Yield |
---|---|
In hydrogenchloride for 1h; heating on boiling water bath; | 91.9% |
With acetic acid for 3h; Reflux; | 26% |
benzil
2,3-diaminobenzoic acid
2,3-diphenyl-5-quinoxalinecarboxylic acid
Conditions | Yield |
---|---|
In acetic acid for 2h; Heating; | 89.4% |
orthoformic acid triethyl ester
2,3-diaminobenzoic acid
2-ethoxyl-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In water; acetic acid | 89% |
Conditions | Yield |
---|---|
With oxygen; potassium hexacyanoferrate (III) In methanol; water for 16h; Reflux; | 88% |
pyridine-2-carbaldehyde
2,3-diaminobenzoic acid
2-(pyridin-2-yl)-1H-benzo[d]imidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 85% |
With potassium hexacyanoferrate(III) In N,N-dimethyl-formamide at 60℃; for 10h; | 78% |
With copper diacetate; acetic acid In methanol; water Heating; | |
With potassium hexacyanoferrate(III) In methanol Heating; | |
With p-benzoquinone In 1,4-dioxane at 80℃; |
2,3-diaminobenzoic acid
2,3,4-trimethoxybenzaldehyde
2-(2,3,4-trimethoxyphenyl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 85% |
With copper diacetate; acetic acid In methanol; water Heating; |
tert-butyl 3-(2-formylphenoxy)pyrrolidine-1-carboxylate
2,3-diaminobenzoic acid
2-(2-(1-(tert-butoxycarbonyl)pyrrolidin-3-yloxy)phenyl)-1H-benzo[d]imidazole-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium disulfite In N,N-dimethyl-formamide at 90℃; for 18h; | 84% |
pyridine-4-carbaldehyde
2,3-diaminobenzoic acid
2-(pyridin-4-yl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 83% |
With potassium hexacyanoferrate(III) In N,N-dimethyl-formamide at 60℃; for 10h; | 81% |
With copper diacetate; acetic acid In methanol; water Heating; |
3-pyridinecarboxaldehyde
2,3-diaminobenzoic acid
2-(pyridin-3-yl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 83% |
With potassium hexacyanoferrate(III) In N,N-dimethyl-formamide at 60℃; for 10h; | 80% |
With copper diacetate; acetic acid In methanol; water Heating; | |
With potassium hexacyanoferrate(III) In methanol Heating; | |
With p-benzoquinone In 1,4-dioxane at 80℃; |
cycloheptane-1,2-dione
2,3-diaminobenzoic acid
7,8,9,10-Tetrahydro-6H-cyclohepta[b]quinoxaline-1-carboxylic acid
Conditions | Yield |
---|---|
In acetic acid for 2h; Heating; | 82.4% |
5-nitrofurane-2-carboxaldehyde
2,3-diaminobenzoic acid
2-(5-nitrofuran-2-yl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 82% |
3,4-dimethoxy-benzaldehyde
2,3-diaminobenzoic acid
2-(3,4-dimethoxyphenyl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 81% |
With copper diacetate In methanol; water Heating; | 46% |
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
In chlorobenzene N2-atmosphere; 140°C (1 h); CH2Cl2 addn., filtering, washing (H2O), drying (Na2SO4), concg., chromy.(SiO2, Et2O), isolated as mixture of regioisomers; elem. anal.; | 81% |
furfural
2,3-diaminobenzoic acid
2-(furan-2-yl)-1H-benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 120h; | 80% |
With copper diacetate; acetic acid In methanol; water Heating; |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 0.5h; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride; sulfuric acid In ethanol at 20℃; for 0.5h; | 80% |
sodium 1-hydroxy-2-methyl-1-propanesulfonate
2,3-diaminobenzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water at 15 - 25℃; for 13h; Green chemistry; | 79% |
Conditions | Yield |
---|---|
With potassium hexacyanoferrate(III) In N,N-dimethyl-formamide at 60℃; for 10h; | 78% |
With copper diacetate In methanol; water Heating; |
Conditions | Yield |
---|---|
With hydrogenchloride for 1h; Heating; | 77% |
With hydrogenchloride In water for 2h; Reflux; | 51% |
2,3-diaminobenzoic acid
A
benzo[d]oxazole-4-carboxylic acid
B
benzimidazole-4-carboxylic acid
Conditions | Yield |
---|---|
With formic acid In hydrogenchloride; methanol | A n/a B 77% |
2-Trifluoromethylbenzaldehyde
2,3-diaminobenzoic acid
2-(2-(trifluoromethyl)phenyl)-1H-benzo[d]imidazole-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium disulfite In N,N-dimethyl-formamide at 100℃; for 17h; | 74% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; | 73% |
With sodium metabisulfite In N,N-dimethyl acetamide Heating; | 25.2% |
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