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 quantiti
Cas:3943-89-3
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inquiryHigh quality, best service,competitive price are our principle 1.Low price & high quality products (G-KG) & first-class service are waiting for our clients 2.Professional transport team to ensure the goods safety and on time arrived your
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/565.html Product Name Ethyl 3,4-dihydroxybenzoate CAS No.
Cas:3943-89-3
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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
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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
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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
Cas:3943-89-3
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inquiryName:Ethyl 3,4-dihydroxybenzoate CAS NO: 3943-89-3 Grade:Medical scientific research and export Molecular formula:C9H10O4 Molecular weight:182.1733 Product Quality 12 years of chemical raw materials Mature operation of the industry Syste
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inquiryAdvantage : LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc. We are specialized in chemical synthesis, process development of
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inquiryGood quantity Ethyl 3,4-dihydroxybenzoate Basic information Product Name: Ethyl 3,4-dihydroxybenzoate Synonyms: 3,4-DIHYDROXYBENZOIC ACID ETHYL ESTER;ETHYL 3,4-DIHYDROXYBENZOATE;ETHYL
Cas:3943-89-3
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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
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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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inquiryProduct Name Ethyl 3,4-dihydroxybenzoate Synonyms 3,4-DIHYDROXYBENZOIC ACID ETHYL ESTER;ETHYL 3,4-DIHYDROXYBENZOATE;ETHYL PROTOCATECHUATE;RARECHEM AL BI 0069;PROTOCATECHUIC ACID ETHYL ESTER;3,4-dihyd
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Cas:3943-89-3
Min.Order:100 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
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inquiryOverview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie
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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:3943-89-3
Min.Order:1 Kilogram
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Type:Trading Company
inquiryBeluga chemical professional supply High quality Ethyl 3,4-dihydroxybenzoate CAS 3943-89-3 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. M
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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
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:3943-89-3
Min.Order:10 Gram
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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:3943-89-3
Min.Order:10 Kilogram
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Type:Trading Company
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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A 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:3943-89-3
Min.Order:4 Kilogram
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inquiryAppearance:Pale yellow to beige crystalline powder Storage:Sealed in dry,Room Temperature Application:An antioxidant compound found in Sicilian virgin olive oils and red wines. The compound is a prolyl 4-hydroxylase inhibitor and can be u
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Min.Order:25 Kilogram
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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
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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
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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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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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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:3943-89-3
Min.Order:10 Gram
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inquiryConditions | Yield |
---|---|
With sulfuric acid Heating; | 99% |
With sulfuric acid at 50℃; for 3h; | 98% |
With sulfuric acid | 98% |
Ethyl protocatechuate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal at 20℃; for 3h; | 96% |
Conditions | Yield |
---|---|
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; Reagent/catalyst; | 94% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; Reagent/catalyst; | 94% |
With aluminium(III) iodide; ethyl acetate; diisopropyl-carbodiimide In acetonitrile at 20℃; for 2h; chemoselective reaction; | 93% |
Ethyl protocatechuate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal at 20℃; for 3h; | 93% |
Ethyl protocatechuate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal at 20℃; for 3h; | 92% |
ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate
Ethyl protocatechuate
Conditions | Yield |
---|---|
With aluminum (III) chloride In benzene for 1h; Reflux; | 90% |
ethyl 4-oxocyclohexane-1-carboxylate
Ethyl protocatechuate
Conditions | Yield |
---|---|
With iodine; oxygen; dimethyl sulfoxide at 80℃; for 12h; | 84% |
Conditions | Yield |
---|---|
With dihydrogen peroxide for 3h; Irradiation; | 83% |
C17H28O4Si
Ethyl protocatechuate
Conditions | Yield |
---|---|
Stage #1: C17H28O4Si With palladium(II) trimethylacetate; [bis(acetoxy)iodo]benzene In α,α,α-trifluorotoluene at 120℃; Inert atmosphere; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; Stage #3: With water In tetrahydrofuran | 76% |
ethyl 3-oxocyclohexanecarboxylate
Ethyl protocatechuate
Conditions | Yield |
---|---|
With iodine; oxygen; dimethyl sulfoxide at 80℃; for 12h; regioselective reaction; | 53% |
Conditions | Yield |
---|---|
With 2,2'-azobis-(2,4-dimethylvaleronitrile) at 60℃; for 4h; | A 33% B 28.2% C 9.6% |
hydrogenchloride
3,4-Dihydroxybenzoic acid
ethanol
Ethyl protocatechuate
Conditions | Yield |
---|---|
In ethanol | 39 g (69%) |
In ethanol | 39 g (69%) |
In ethanol | 39 g (69%) |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 1H-imidazole / tetrahydrofuran / 20 °C / Inert atmosphere 1.3: 20 °C 2.1: palladium(II) trimethylacetate; [bis(acetoxy)iodo]benzene / α,α,α-trifluorotoluene / 120 °C / Inert atmosphere 2.2: 20 °C View Scheme |
Ethyl 4-hydroxybenzoate
A
sorbic Acid
B
formic acid
C
glyceric acid
D
Ethyl protocatechuate
E
benzene-1,2-diol
F
hydroquinone
G
phenol
H
4-hydroxy-benzoic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide; titanium(IV) oxide In water at 35℃; for 0.5h; pH=7.3; Concentration; Irradiation; |
Conditions | Yield |
---|---|
With water; dihydrogen peroxide at 40℃; for 2h; |
Ethyl protocatechuate
2-Bromoethyl methyl ether
3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetone at 60℃; for 19h; Inert atmosphere; | 100% |
With potassium carbonate In acetone at 20 - 70℃; for 24h; | 93% |
With tetra-(n-butyl)ammonium iodide; potassium carbonate In acetone for 64h; Inert atmosphere; Reflux; | 93% |
Conditions | Yield |
---|---|
With lithium perchlorate; acetic acid In nitromethane for 16h; electrolysis; | 98% |
With tetradecafluorohexane; lithium perfluorooctane sulfonate; acetic acid Diels-Alder reaction; Electrochemical reaction; | 95% |
In acetic acid electrochemical reaction: glass carbon anode (60x20 mm) coated with modified Nafion resin, Pt cathode (10x10 mm), aq. sodium dodecyl sulfate as supporting electrolyte, undivided cell 2.2 F mol-1, 0.8 V vs SCE; Yield given; |
Ethyl protocatechuate
chloromethyl methyl ether
ethyl 3,4-bis(methoxymethoxy)benzoate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; sodium iodide In N,N-dimethyl-formamide at 0 - 20℃; for 48h; | 98% |
Ethyl protocatechuate
isopropyl bromide
ethyl 3,4-diisopropoxybenzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20 - 60℃; for 19h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 80℃; for 3h; | 98% |
Ethyl protocatechuate
ethyl (E)-4-methyl-3,5-hexadienoate
Conditions | Yield |
---|---|
With lithium perchlorate; acetic acid In nitromethane for 16h; Ambient temperature; constant potential electrolysis on PTFE-fiber coated glassy carbon anode/Pt cathode (1200 mV vs. SCE); | 97% |
1-bromo dodecane
Ethyl protocatechuate
ethyl 3,4-bis(dodecyloxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 48h; | 97% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 48h; | 97% |
Ethyl protocatechuate
Conditions | Yield |
---|---|
With magnesium hydroxide In water at 20℃; for 2h; | 97% |
ethyl (E)-3,5-hexadienoate
Ethyl protocatechuate
Conditions | Yield |
---|---|
With lithium perchlorate; acetic acid In nitromethane for 16h; Ambient temperature; constant potential electrolysis on PTFE-fiber coated glassy carbon anode/Pt cathode (1200 mV vs. SCE); | 96% |
Dichlorodiphenylmethane
Ethyl protocatechuate
2,2-Diphenyl-1,3-benzodioxolane-5-carboxylic acid, ethyl ester
Conditions | Yield |
---|---|
at 170℃; for 0.166667h; | 95% |
2-chloroethyl methyl ether
Ethyl protocatechuate
3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
Conditions | Yield |
---|---|
With 4-(Methylamino)pyridine; potassium carbonate at 90 - 95℃; Temperature; Reagent/catalyst; | 95% |
With carbon dioxide; ammonia at 50℃; for 0.5h; Temperature; Reagent/catalyst; | 94.6% |
With potassium tert-butylate; potassium iodide In N,N-dimethyl-formamide at 100℃; for 12h; | 87% |
With tetra-(n-butyl)ammonium iodide; potassium carbonate In acetone for 120h; Heating; | |
With potassium carbonate In N,N-dimethyl-formamide at 90 - 100℃; for 9h; | 95 %Chromat. |
di-tert-butyl dicarbonate
Ethyl protocatechuate
3,4-bis-tert-butoxycarbonyloxy-benzoic acid ethyl ester
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; | 95% |
thiophosgene
Ethyl protocatechuate
ethyl 2-thioxobenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With sodium carbonate In water at 0 - 20℃; | 95% |
With dmap; carbon dioxide In dichloromethane; acetone at -78 - 20℃; for 19h; | 51% |
2-[2-(2-ethoxyethoxy)ethoxy]ethyl chloride
Ethyl protocatechuate
ethyl 3,4-bis-(2-(2-(2-ethoxyethoxy)ethoxy)ethoxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 95% |
1-[2-(ethoxy)ethoxy]-2-chloroethane
Ethyl protocatechuate
ethyl 3,4-bis-[2-(2-ethoxyehtoxy)ethoxy]benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 95% |
2-methoxyethyl methanesulfonate
Ethyl protocatechuate
3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In toluene for 6h; Reflux; | 95% |
With potassium tert-butylate; tetrabutylammomium bromide In N,N-dimethyl-formamide at 30 - 40℃; for 10h; | 90.5% |
Conditions | Yield |
---|---|
With potassium hexafluorophosphate; potassium carbonate In acetonitrile for 12h; Reflux; | 95% |
Conditions | Yield |
---|---|
Stage #1: Ethyl protocatechuate With potassium carbonate In acetone at 20℃; for 0.5h; Stage #2: dimethyl sulfate at 50℃; for 5h; | 94.5% |
1-vinylcyclohexene
Ethyl protocatechuate
ethyl 2,4a,4b,5,6,7,8,10-octahydro-1-hydroxy-2-oxophenanthrene-4a carboxylate
Conditions | Yield |
---|---|
With lead(II,IV) oxide; trifluoroacetic acid In tetrahydrofuran at 20℃; for 2.5h; | 94% |
Ethyl protocatechuate
4’-[(10-bromodecyl)oxy]-4-carbonitrile-[1,1’-biphenyl]
3,4-bis[6-(4'-cyanobiphenyl-4-yloxy)hexyloxy]benzoic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In butanone Heating; | 93% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 2.5h; | 93% |
Conditions | Yield |
---|---|
With lithium perchlorate; acetic acid In nitromethane for 16h; electrolysis; | 92% |
Ethyl protocatechuate
1,3-dibromo-propane
ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In ethanol for 5h; Reflux; | 91% |
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