1.Product introduction Puyang Huicheng Electronic Material Co., Ltd was founded in 2002, which is focus on high complex new type intermediates and fine chemical custom synthesis, LED&OLED materials and related intermediates, catalyst de
Cas:716-39-2
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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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inquiry2,3-NAPHTHALENEDICARBOXYLIC ANHYDRIDE Basic information Product Name: 2,3-NAPHTHALENEDICARBOXYLIC ANHYDRIDE Synonyms: 2,3-NAPHTHALENEDICARBOXYLIC ANHYDRIDE;1,3-Dihydronaphtho[2,3-c]furan-1,3-dione;benzo[f][2]benzofuran-1,3-dione;benzo[f]isobenz
Cas:716-39-2
Min.Order:1 Gram
Negotiable
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inquiryOur advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c
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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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Min.Order:1 Kilogram
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inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:716-39-2
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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
Cas:716-39-2
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Type:Lab/Research institutions
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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inquirysuperior quality moderate price & quick delivery Appearance:powder Storage:Keep away of light,cool place Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used to make other chemicals. Transportation:as per your re
Cas:716-39-2
Min.Order:1 Kilogram
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Type:Trading Company
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:716-39-2
Min.Order:1 Gram
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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
Cas:716-39-2
Min.Order:4 Kilogram
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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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inquiry1. We can provide customers with "one-stop"packaging service,from research,development,production,export and so on 2. Powerful R&D strength let our technology in a leading level,forever,in turn,to provide customers with better service .
Cas:716-39-2
Min.Order:100 Gram
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Type:Trading Company
inquiryEstablished 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
Cas:716-39-2
Min.Order:10 Gram
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Type:Lab/Research institutions
inquiryProduct name: 2,3-Naphthalenedicarboxylic Anhydride CAS No.:716-39-2 Molecule Formula:C12H6O3 Molecule Weight:198.17 Purity: 96% Package: 25kg/drum Description:Light yellow powder Manufacture Standards:Enterprise Standard TESTING
Cas:716-39-2
Min.Order:1 Kilogram
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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
Cas:716-39-2
Min.Order:1 Kilogram
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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:716-39-2
Min.Order:1 Gram
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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:716-39-2
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryHangzhou Fandachem Co.,Ltd, a China-based chemical company, specialize in exporting 2,3-Naphthalenedicarboxylic Anhydride CAS NO.716-39-2 Please contact us by email freely. We are leading exporter in China. If you really need t
Cas:716-39-2
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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
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inquiryGOLDEN 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
Cas:716-39-2
Min.Order:1 Kilogram
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inquiryWe 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:716-39-2
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Type:Trading Company
inquiryStock products, own laboratoryAppearance:Light yellow solid Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:716-39-2
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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:716-39-2
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inquiryhigh 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
Cas:716-39-2
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inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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.
Cas:716-39-2
Min.Order:0
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inquiry2,3-Naphthalenedicarboxylic Anhydride Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:716-39-2
Min.Order:0
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Type:Lab/Research institutions
inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Cas:716-39-2
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inquiry2,3-Naphthalenedicarboxylic Anhydride Application:2,3-Naphthalenedicarboxylic Anhydride
Conditions | Yield |
---|---|
at 250 - 260℃; for 0.5h; | 97% |
With acetic anhydride for 1.25h; Heating; | 97% |
With acetic anhydride for 0.333333h; Heating; | 95% |
C12H8O4
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
With sulfuric acid at 50℃; for 7h; Temperature; Reagent/catalyst; | 95% |
With sulfuric acid; acetic anhydride 1.) 15 min, 2.) reflux; Yield given. Multistep reaction; |
maleic anhydride
1,2-bis(dibromomethyl)benzene
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
With sodium iodide In N,N-dimethyl-formamide at 65℃; for 16h; | 87.6% |
With sodium iodide In N,N-dimethyl-formamide at 70℃; for 4.5h; Diels-Alder Cycloaddition; | 50% |
C12H8O4
A
2,3-Naphthalenedicarboxylic anhydride
B
1,2,3,4-tetrahydronaphthalene-2,3-dicarboxylic acid anhydride
Conditions | Yield |
---|---|
With trimethylsilyl iodide In acetonitrile for 70h; Heating; | A 70% B n/a |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; tetrabutyl phosphonium bromide In water; chlorobenzene at 80℃; for 3.5h; Sealed tube; | 65% |
maleic anhydride
o-phthalic dicarboxaldehyde
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
With triethylsilane; scandium tris(trifluoromethanesulfonate) In toluene at 135℃; for 24h; Inert atmosphere; | 40% |
benz[a]anthracene
A
2,3-Naphthalenedicarboxylic anhydride
B
7,12-Dihydrobenz[a]anthracene
C
2-(2'-formyl)phenyl-3-naphthaldehyde
Conditions | Yield |
---|---|
With vanillin In benzene at 16℃; for 5h; Decomposition; Irradiation; Further byproducts given. Title compound not separated from byproducts; |
naphthalene-2,3-dicarboxylic acid
phosphorus pentachloride
2,3-Naphthalenedicarboxylic anhydride
1,3-dihydro-1-ethoxyisobenzofuran
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 98 percent / acetic anhydride / chlorobenzene / 24 h / Heating 2: 1.) conc. H2SO4, 2.) acetic anhydride / 1.) 15 min, 2.) reflux View Scheme | |
Multi-step reaction with 2 steps 1: 98 percent / acetic anhydride / chlorobenzene / 24 h / Heating 2: 70 percent / Me3SiI / acetonitrile / 70 h / Heating View Scheme |
3-isobutyryl-[2]naphthoic acid
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: nitric acid; acetic acid 2: beim Sublimieren View Scheme |
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: nitric acid; acetic acid 2: 245 - 250 °C View Scheme |
1-methoxy-1,3-dihydroisobenzofuran
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride / toluene / 8 h / Reflux 2: sulfuric acid / 7 h / 50 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: toluene-4-sulfonic acid; propylene glycol / cyclohexane / 4 h 1.2: 3 h 1.3: 7 h 2.1: acetic anhydride / toluene / 8 h / Reflux 3.1: sulfuric acid / 7 h / 50 °C View Scheme |
2,3-Naphthalenedicarboxylic anhydride
2,3-bis(hydroxymethyl)naphthalene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 6h; Inert atmosphere; | 100% |
With lithium aluminium tetrahydride In tetrahydrofuran | 77% |
With lithium aluminium tetrahydride; diethyl ether | |
With lithium aluminium tetrahydride In tetrahydrofuran Heating; | |
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 1h; |
2,3-Naphthalenedicarboxylic anhydride
(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol
isopropylidene glycerol 3-carboxy-2-naphthoate
Conditions | Yield |
---|---|
In pyridine at 90℃; for 1h; | 100% |
2-(2-methyl-1,3-dioxolane-2-yl)ethan-1-amine
2,3-Naphthalenedicarboxylic anhydride
2-[2-(2-methyl-1,3-dioxalan-2-yl)ethyl]-1H-benzo[f]isoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 12h; Dean-Stark apparatus; Reflux; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide In water at 30℃; for 15h; pH=5.5; Temperature; pH-value; | 97% |
In phosphate buffer; acetonitrile at 30℃; pH=6.4; Kinetics; Further Variations:; pH-values; |
2,3-Naphthalenedicarboxylic anhydride
C50H60O14
Conditions | Yield |
---|---|
Stage #1: 20-bromo-17-(prop-2-enyloxy)-2,5,8,11,14-pentaoxa<15>metacyclophane With tert.-butyl lithium In tetrahydrofuran; pentane at -78℃; Inert atmosphere; Stage #2: 2,3-Naphthalenedicarboxylic anhydride In tetrahydrofuran; pentane at -78 - 20℃; Inert atmosphere; | 95% |
2,3-Naphthalenedicarboxylic anhydride
1,2,3,4-tetrahydro-1,4-dioxobenzophthalazine
Conditions | Yield |
---|---|
With hydrazine hydrate; acetic acid In water for 6h; Reflux; | 94% |
With hydrazine hydrate; acetic acid for 6h; Heating; | 93% |
With hydrazine hydrate; acetic acid | |
With hydrazine hydrate In acetic acid for 0.5h; Heating; |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-8-aminoquinoline; 2,3-Naphthalenedicarboxylic anhydride With benzoic acid methyl ester; benzoic acid In water at 180℃; for 6h; Stage #2: With sulfuric acid In water at 80℃; for 4h; | 94% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-8-aminoquinoline; 2,3-Naphthalenedicarboxylic anhydride With benzoic acid methyl ester; benzoic acid at 180℃; for 6h; Stage #2: With N,N-dimethylaminopropane In 2-methyl-propan-1-ol at 100℃; for 6h; | 93% |
With benzoic acid methyl ester; benzoic acid In water at 180℃; for 6h; |
2,3-Naphthalenedicarboxylic anhydride
ethanolamine
2-(2-hydroxyethyl)-1H-benzo[f]isoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
92.5% | |
In ethanol Reflux; | 78% |
2-aminobutanol
2,3-Naphthalenedicarboxylic anhydride
1-ethyl-2-hydroxyethyl-naphthalene-2,3-dicarboxylic imide
Conditions | Yield |
---|---|
With triethylamine In toluene for 3h; Reflux; | 92% |
82.5% |
2,3-Naphthalenedicarboxylic anhydride
2-(2-Aminoethoxy)ethanol
N-(2-(2-hydroxyethoxy)ethyl)naphthalimide
Conditions | Yield |
---|---|
With triethylamine In toluene for 24h; Reflux; | 91% |
2,3-Naphthalenedicarboxylic anhydride
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 125℃; for 4.5h; Inert atmosphere; | 91% |
2,3-Naphthalenedicarboxylic anhydride
benzylamine
2-benzyl-1H-benzo[f]isoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 2h; Inert atmosphere; Schlenk technique; | 91% |
With acetic acid for 3h; Reflux; Inert atmosphere; Schlenk technique; | 86% |
2,3-Naphthalenedicarboxylic anhydride
propan-1-ol-3-amine
3-hydroxypropyl-naphthalene-2,3-dicarboxylic imide
Conditions | Yield |
---|---|
90.2% |
Conditions | Yield |
---|---|
at 170℃; for 2h; | 90% |
Conditions | Yield |
---|---|
With urea at 170℃; for 2h; | 90% |
With formamide at 200℃; Microwave irradiation; Sealed tube; | 87% |
With formamide at 200℃; for 0.0111111h; Sealed tube; Inert atmosphere; Microwave irradiation; | 75% |
Multi-step reaction with 6 steps 1.1: triethylamine / toluene / 24 h / Reflux 2.1: triethylamine / dichloromethane / 24 h 3.1: acetone / 18 h / 80 °C 4.1: potassium carbonate / acetonitrile / 1 h / 70 °C 4.2: 12 h / 70 °C 5.1: perchloric acid / methanol / 0.5 h / Inert atmosphere; Irradiation View Scheme |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 24h; | 89% |
2,3-Naphthalenedicarboxylic anhydride
(2S)-2-phenylglycinol
2-[(S)-2-hydroxy-1-phenylethyl]-2H-benzo[f]isoindole-1,3-dione
Conditions | Yield |
---|---|
With triethylamine In toluene for 3h; Reflux; | 89% |
Conditions | Yield |
---|---|
With triethylamine In toluene for 23h; Heating; | 88% |
Conditions | Yield |
---|---|
With benzoic acid at 150 - 220℃; for 4h; Inert atmosphere; | 88% |
2,3-Naphthalenedicarboxylic anhydride
benzene
3-benzoyl-2-naphthoic acid
Conditions | Yield |
---|---|
With aluminium trichloride at 85 - 90℃; | 87% |
With aluminium trichloride | |
With aluminium trichloride |
2,3-Naphthalenedicarboxylic anhydride
p-toluidine
2-(p-tolyl)-benzo[f]isoindole-1,3-dione
Conditions | Yield |
---|---|
In acetic acid Reflux; | 87% |
Microwave irradiation; Large scale reaction; |
2,3-Naphthalenedicarboxylic anhydride
(S)-valinol
2-[(S)-1-hydroxy-3-methylbutan-2-yl]-2H-benzo[f]isoindole-1,3-dione
Conditions | Yield |
---|---|
With triethylamine In toluene for 3h; Reflux; | 86% |
2,3-Naphthalenedicarboxylic anhydride
1,2-diamino-benzene
1.2-(2'.3'-Naphthylcarbonylen)benzimidazol
Conditions | Yield |
---|---|
With acetic acid for 2h; Reflux; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With benzoic acid at 150 - 220℃; for 4h; Inert atmosphere; | 85% |
2,3-Naphthalenedicarboxylic anhydride
1,4-dichloro-2,3-diaza-anthracene
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate at 100℃; for 5h; | 85% |
2,3-Naphthalenedicarboxylic anhydride
3-amino-2-propanol
2-hydroxy-2-methylethyl-naphthalene-2,3-dicarboxylic imide
Conditions | Yield |
---|---|
84.9% |
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