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:5959-52-4
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:5959-52-4
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inquiry3-Amino-2-naphthoic acid Basic information Product Name: 3-Amino-2-naphthoic acid Synonyms: TIMTEC-BB SBB003690;3-AMINO-2-NAPHTHOIC ACID;3-Aminoisonaphthoic acid;3-AMINONAPHTHALENE-2-CAR
Cas:5959-52-4
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
Cas:5959-52-4
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inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:5959-52-4
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:5959-52-4
Min.Order:1 Gram
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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
Cas:5959-52-4
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inquiryHubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
Cas:5959-52-4
Min.Order:10 Milligram
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inquiryOur 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
Cas:5959-52-4
Min.Order:10 Kilogram
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Type:Trading Company
inquiryBest 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
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 present
Cas:5959-52-4
Min.Order:1 Gram
FOB Price: $163.0
Type:Trading Company
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:5959-52-4
Min.Order:0 Metric Ton
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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
Cas:5959-52-4
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inquiryadvantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging
Cas:5959-52-4
Min.Order:1 Gram
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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
Cas:5959-52-4
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:5959-52-4
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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
Cas:5959-52-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:5959-52-4
Min.Order:1 Gram
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Type:Lab/Research institutions
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:5959-52-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:5959-52-4
Min.Order:1 Metric Ton
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Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:5959-52-4
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Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:5959-52-4
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:5959-52-4
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Type:Other
inquiryName: 3-Amino-2-naphthoic acid CAS: 5959-52-4 Molecular Formula: C11H8NO2 Molecular Weight: 186.187 Application:Fine chemical
Cas:5959-52-4
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquirystable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:5959-52-4
Min.Order:1 bottle
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Type:Lab/Research institutions
inquiry3-(tert-butoxycarbonylamino)naphthalene-2-carboxylic acid
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; for 24h; | 99% |
Conditions | Yield |
---|---|
With ammonium hydroxide; zinc(II) chloride at 195℃; under 10351 - 20477 Torr; for 72h; Autoclave; | 87.5% |
With ammonium hydroxide; zinc(II) chloride at 30 - 195℃; under 15001.5 Torr; for 75h; | 75% |
With ammonium hydroxide; zinc(II) chloride In water at 190℃; for 108h; Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium chloride; dihydrogen peroxide at 20℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CH3SO3H / 70 - 80 °C 2: KOH, KCl, 27percent H2O2 / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Na2SO4, hydroxylamine sulfate, concd. HCl / H2O 2: CH3SO3H / 70 - 80 °C 3: KOH, KCl, 27percent H2O2 / 20 °C View Scheme |
Conditions | Yield |
---|---|
In ammonia 24 h, 210°C, 40 atm, in autoclave; | |
In ammonia aq. ammonia=NH3; 24 h, 210°C, 40 atm, in autoclave; | |
In ammonia 24 h, 210°C, 40 atm, in autoclave; |
dimethyl 2,3-naphthalenedicarboxylate
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium hydroxide; methanol / 24 h / 20 °C / Cooling with ice 2: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 3: potassium hydroxide; methanol / 12 h / 20 °C 4: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
2,3-naphthalenedicarboxylic acid monomethyl ester
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 2: potassium hydroxide; methanol / 12 h / 20 °C 3: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: tributylphosphine / dichloromethane / 0 - 20 °C 1.2: 3 h / 20 °C / Cooling with ice 2.1: potassium hydroxide; methanol / 24 h / 20 °C / Cooling with ice 3.1: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 4.1: potassium hydroxide; methanol / 12 h / 20 °C 5.1: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid for 14h; Reflux; | 100% |
With sulfuric acid for 48h; Reflux; | 96% |
With sulfuric acid Reflux; | 94% |
2-Amino-3-naphthoic acid
3-chloro-2-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 2-Amino-3-naphthoic acid With hydrogenchloride; sodium nitrite In water; acetonitrile at 0℃; for 1h; Stage #2: With copper(l) chloride In water; acetonitrile at 0 - 50℃; for 0.916667h; | 100% |
With hydrogenchloride; sodium nitrite Diazotization.Eintragen in eine aus Kupfer(II)-chlorid, Kupfer und wss. Salzsaeure hergestellte Loesung; | |
With hydrogenchloride; sulfuric acid; copper(l) chloride; sodium nitrite 1.) acetic acid, 40 deg C, 30 min, 2.) 80 deg C, 30 min; Yield given. Multistep reaction; | |
Stage #1: 2-Amino-3-naphthoic acid With sulfuric acid; sodium nitrite In acetic acid at 20 - 40℃; for 0.5h; Stage #2: With hydrogenchloride; copper(l) chloride In water; acetic acid at 0 - 80℃; for 0.5h; |
2-Amino-3-naphthoic acid
diazomethyl-trimethyl-silane
Methyl 3-amino-2-naphthoate
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol at 20℃; for 24h; | 100% |
With acetic acid In methanol; hexane; toluene at 0 - 20℃; | 83% |
In diethyl ether; dichloromethane for 13h; | 76.5% |
2-Amino-3-naphthoic acid
3-amino-4,7-dibromonaphthalene-2-carbocylic acid
Conditions | Yield |
---|---|
With bromine; acetic acid for 5h; Reflux; | 100% |
With bromine In acetic acid for 5h; Heating; | 94% |
Multi-step reaction with 4 steps 2: aqueous HNO3; NaNO2; acetic acid 3: acetic acid; bromine 4: aqueous HBr View Scheme |
Conditions | Yield |
---|---|
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃; for 2h; | 99% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃; for 2.75h; | 99% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃; for 16h; | 98% |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide Reflux; | 98% |
With triethylamine In N,N-dimethyl-formamide Reflux; |
urea
2-Amino-3-naphthoic acid
naphtha[2',3':5,6]pyrimidine-2,4-[1H,3H]-dione
Conditions | Yield |
---|---|
at 160℃; for 10h; | 97% |
In phenol at 180℃; | 60% |
With phenol | |
With phenol at 160 - 185℃; for 2h; | |
In neat (no solvent) at 150℃; for 12h; |
4-pentynoic acid
2-Amino-3-naphthoic acid
3a-methyl-3,3a-dihydro-1H-naphtho[2,3-d]pyrrolo[2,1-b][1,3]-oxazine-1,5(2H)-dione
Conditions | Yield |
---|---|
Stage #1: 4-pentynoic acid; 2-Amino-3-naphthoic acid With silver hexafluoroantimonate; (triphenylphosphine)gold(I) chloride In water at 140℃; for 20h; Green chemistry; Stage #2: With trifluoroacetic acid In water at 140℃; for 4h; Green chemistry; | 96% |
Stage #1: 4-pentynoic acid; 2-Amino-3-naphthoic acid With (triphenylphosphine)gold(I) chloride In 1,2-dichloro-ethane at 140℃; for 20h; Sealed tube; Stage #2: With trifluoroacetic acid In 1,2-dichloro-ethane at 140℃; for 4h; regioselective reaction; | 94% |
With Echavarren's catalyst In 1,1-dichloroethane at 120℃; for 24h; Sealed vial; | 90% |
2-Amino-3-naphthoic acid
3-Amino-2-(hydroxymethyl)naphthalene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; | 95% |
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; | 78% |
With sodium tetrahydroborate; iodine In tetrahydrofuran at 0℃; Reflux; | 42% |
2-Amino-3-naphthoic acid
3-amino-4-chloro-2-naphthoic acid
Conditions | Yield |
---|---|
With N-chloro-succinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 20℃; for 18h; Inert atmosphere; | 95% |
With N-chloro-succinimide In N,N-dimethyl-formamide at 20℃; for 10h; | |
With N-chloro-succinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 20℃; for 18h; |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide Reflux; | 95% |
With triethylamine In ethanol for 4h; Reflux; | 95% |
With triethylamine In N,N-dimethyl-formamide Reflux; |
2,6-dimethylphenylisocyanate
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 2-Amino-3-naphthoic acid With triethylamine In N,N-dimethyl-formamide for 0.5h; Stage #2: 2,6-dimethylphenylisocyanate In N,N-dimethyl-formamide at 75℃; for 2h; | 94% |
Conditions | Yield |
---|---|
With sodium carbonate In water at 60 - 85℃; for 2.25h; | 93% |
bis(trichloromethyl) carbonate
2-Amino-3-naphthoic acid
2H-naphth<2,3-d><3,1>oxazine-2,4(1H)-dione
Conditions | Yield |
---|---|
With pyridine In dichloromethane; acetonitrile at 50 - 55℃; for 4h; | 93% |
With pyridine In dichloromethane; acetonitrile at 45℃; | 77% |
2-Amino-3-naphthoic acid
2-aminonaphthalene-3-carboxamide
Conditions | Yield |
---|---|
Stage #1: 2-Amino-3-naphthoic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Schlenk technique; Stage #2: With ammonia In tetrahydrofuran for 6h; Inert atmosphere; Schlenk technique; | 93% |
Stage #1: 2-Amino-3-naphthoic acid With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Stage #2: With ammonium hydroxide In tetrahydrofuran at 20℃; for 22h; Inert atmosphere; | 75% |
4-isothiocyanatobenzene sulfonamide
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
With triethylamine In ethanol for 2h; Reflux; | 92% |
With triethylamine In ethanol for 2h; Reflux; | 92% |
With triethylamine In ethanol | |
With TEA In ethanol |
benzoyl chloride
2-Amino-3-naphthoic acid
2-phenyl-4H-naphthyl<2,3-d><1,3>oxazin-4-one
Conditions | Yield |
---|---|
at 170℃; for 3h; | 91% |
In neat (no solvent) for 3h; Inert atmosphere; Reflux; | 86.9% |
In pyridine | |
at 130℃; |
1-(benzofuran-2-yl)-2-bromoethan-1-one
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 2-Amino-3-naphthoic acid With potassium carbonate In N,N-dimethyl-formamide at 70℃; Stage #2: 1-(benzofuran-2-yl)-2-bromoethan-1-one In N,N-dimethyl-formamide at 20 - 50℃; | 91% |
Conditions | Yield |
---|---|
In acetic acid for 1h; Reflux; | 91% |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide Reflux; | 90% |
With triethylamine In ethanol for 4h; Reflux; | 79% |
(2-ethynyl)benzoic acid
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: (2-ethynyl)benzoic acid; 2-Amino-3-naphthoic acid With (triphenylphosphine)gold(I) chloride In 1,2-dichloro-ethane at 140℃; for 20h; Sealed tube; Stage #2: With trifluoroacetic acid In 1,2-dichloro-ethane at 140℃; for 4h; regioselective reaction; | 90% |
Stage #1: (2-ethynyl)benzoic acid; 2-Amino-3-naphthoic acid With silver hexafluoroantimonate; (triphenylphosphine)gold(I) chloride In water at 140℃; for 20h; Green chemistry; Stage #2: With trifluoroacetic acid In water at 140℃; for 4h; Green chemistry; | 72% |
2-Amino-3-naphthoic acid
3-iodo-2-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 2-Amino-3-naphthoic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 2h; Sandmeyer Reaction; Stage #2: With potassium iodide In water at 0 - 60℃; for 1.5h; Sandmeyer Reaction; | 89% |
Stage #1: 2-Amino-3-naphthoic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 0.5h; Sandmeyer Reaction; Stage #2: With potassium iodide In water at 0 - 90℃; for 1.08333h; | 88% |
Stage #1: 2-Amino-3-naphthoic acid With hydrogenchloride In water; acetonitrile at -5℃; for 0.5h; Reflux; Stage #2: With sodium nitrite In water; acetonitrile for 1h; Reflux; Stage #3: With potassium iodide In water; acetonitrile for 1.5h; Reflux; | 88% |
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In formamide | A 89% B n/a |
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
With trichlorophosphate at 130℃; for 5h; | 89% |
Conditions | Yield |
---|---|
With triethylamine In ethanol for 4h; Reflux; | 89% |
3,5-dihydroxyphenol
2-Amino-3-naphthoic acid
1,3-Dihydroxy-5,12-dihydro-benzo[b]acridin-12-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In n-heptan1ol for 48h; Cyclization; Heating; | 88% |
With toluene-4-sulfonic acid In n-heptan1ol for 19h; Inert atmosphere; Reflux; | 59% |
2-Amino-3-naphthoic acid
5-((Z)-4-hydroxybenzylidene)-2-methylmercapto-4-thiazolidinone
3-(5-(2-hydroxy-3-methoxybenzylidene)-4-oxo-thiazolidin-2-ylideneamino)naphthalene-2-carboxylic acid
Conditions | Yield |
---|---|
In ethanol for 24h; Heating; | 88% |
Conditions | Yield |
---|---|
With triethylamine In ethanol for 4h; Reflux; | 88% |
With triethylamine In N,N-dimethyl-formamide Reflux; | 86% |
With triethylamine In N,N-dimethyl-formamide Reflux; |
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