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Dayang Chem (Hangzhou) Co.,Ltd.

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

High purity Ethyl 3,4-dihydroxybenzoate 98% TOP1 supplier in China

Cas:3943-89-3

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou Viablife Biotech CO.,LTD

High 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

ethyl protocatechuate cas:3943-89-3 ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Trading Company

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/565.html Product Name Ethyl 3,4-dihydroxybenzoate CAS No.

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1 Gram

FOB Price: $43.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome 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

High quality Ethyl 3,4-Dihydroxybenzoate supplier in China

Cas:3943-89-3

Min.Order:0 Metric Ton

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Type:Manufacturers

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Ality Chemical Corporation

The 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

Factory Supply Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1

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Type:Other

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ANQING CHICO PHARMACEUTICAL CO.,LTD.

High quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:0

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Type:Trading Company

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Chemwill Asia Co., Ltd.

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

Protocatechuic acid ethyl ester

Cas:3943-89-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name: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

Ethyl 3,4-dihydroxybenzoate/cas:3943-89-3 /Raw material spot

Cas:3943-89-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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LIDE PHARMACEUTICALS LIMITED

Advantage : 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

Ethyl 3,4-dihydroxybenzoate Manufacturer

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Good 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

TIANFU-CHEM Ethyl 3,4-dihydroxybenzoate, 97%

Cas:3943-89-3

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

Ethyl 3,4-dihydroxybenzoate cas 3943-89-3

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Pharmaceutical Grade CAS 3943-89-3 with competitive price

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product 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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers

Factory supply Ethyl 3,4-dihydroxybenzoate CAS 3943-89-3 with best price

Cas:3943-89-3

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Benzoicacid, 3,4-dihydroxy-, ethyl ester 3943-89-3

Cas:3943-89-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie

China Biggest Factory & Manufacturer supply Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $30.0 / 35.0

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

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 prese

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:1 Kilogram

FOB Price: $76.0 / 85.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Beluga 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

High quality Ethyl 3,4-dihydroxybenzoate CAS 3943-89-3

Cas:3943-89-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Benzoicacid, 3,4-dihydroxy-, ethyl ester

Cas:3943-89-3

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Minimum 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,

Ethyl 3,4-dihydroxybenzoate supplier in China CAS NO.3943-89-3

Cas:3943-89-3

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Wentao Chemical Product Co., Ltd.

Henan 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

CAS NO.:3943-89-3

Cas:3943-89-3

Min.Order:0

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Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

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

Ethyl3,4-Dihydroxybenzoate

Cas:3943-89-3

Min.Order:0

Negotiable

Type:Manufacturers

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

Ethyl 3,4-dihydroxybenzoate CAS#3943-89-3

Cas:3943-89-3

Min.Order:4 Kilogram

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Triumph International Development Limilted

Appearance: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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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Afine Chemicals Limited

Company 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

ETHYL 3,4-DIHYDROXYBENZOATE

Cas:3943-89-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

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

Benzoicacid, 3,4-dihydroxy-, ethyl ester

Cas:3943-89-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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TaiChem Taizhou Limited

Established 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

Ethyl 3,4-dihydroxybenzoate

Cas:3943-89-3

Min.Order:10 Gram

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Type:Lab/Research institutions

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Synthetic route

3,4-Dihydroxybenzoic acid
99-50-3

3,4-Dihydroxybenzoic acid

ethanol
64-17-5

ethanol

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With sulfuric acid Heating;99%
With sulfuric acid at 50℃; for 3h;98%
With sulfuric acid98%
4-Benzyloxy-3-(4-methoxycarbonyl-benzyloxy)-benzoic acid ethyl ester

4-Benzyloxy-3-(4-methoxycarbonyl-benzyloxy)-benzoic acid ethyl ester

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal at 20℃; for 3h;96%
ethyl vanillate
617-05-0

ethyl vanillate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
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%
4-Benzyloxy-3-(3-methoxycarbonyl-benzyloxy)-benzoic acid ethyl ester

4-Benzyloxy-3-(3-methoxycarbonyl-benzyloxy)-benzoic acid ethyl ester

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal at 20℃; for 3h;93%
4-benzyloxy-3-(4-nitro-benzyloxy)-benzoic acid ethyl ester

4-benzyloxy-3-(4-nitro-benzyloxy)-benzoic acid ethyl ester

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal at 20℃; for 3h;92%
ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate
20986-39-4

ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With aluminum (III) chloride In benzene for 1h; Reflux;90%
ethyl 4-oxocyclohexane-1-carboxylate
17159-79-4

ethyl 4-oxocyclohexane-1-carboxylate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With iodine; oxygen; dimethyl sulfoxide at 80℃; for 12h;84%
ethanol
64-17-5

ethanol

4-(hydroxymethyl)benzene-1,2-diol
3897-89-0

4-(hydroxymethyl)benzene-1,2-diol

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With dihydrogen peroxide for 3h; Irradiation;83%
C17H28O4Si
1344113-41-2

C17H28O4Si

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
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
33668-25-6

ethyl 3-oxocyclohexanecarboxylate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
With iodine; oxygen; dimethyl sulfoxide at 80℃; for 12h; regioselective reaction;53%
ethanol
64-17-5

ethanol

cyanidin 3-O-glucopyranoside chloride

cyanidin 3-O-glucopyranoside chloride

A

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

glucopyranosyl 2-(3,4-dihydroxyphenyl)-4,6-dihydroxybenzofuran-3-carboxylate

glucopyranosyl 2-(3,4-dihydroxyphenyl)-4,6-dihydroxybenzofuran-3-carboxylate

C

C15H10O7
1577235-12-1

C15H10O7

Conditions
ConditionsYield
With 2,2'-azobis-(2,4-dimethylvaleronitrile) at 60℃; for 4h;A 33%
B 28.2%
C 9.6%
hydrogenchloride
7647-01-0

hydrogenchloride

3,4-Dihydroxybenzoic acid
99-50-3

3,4-Dihydroxybenzoic acid

ethanol
64-17-5

ethanol

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

3,4-Dihydroxybenzoic acid
99-50-3

3,4-Dihydroxybenzoic acid

concentrated H2 SO4

concentrated H2 SO4

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
In ethanol39 g (69%)
In ethanol39 g (69%)
In ethanol39 g (69%)
Ethyl 4-hydroxybenzoate
120-47-8

Ethyl 4-hydroxybenzoate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

Conditions
ConditionsYield
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
120-47-8

Ethyl 4-hydroxybenzoate

A

sorbic Acid
110-44-1

sorbic Acid

B

formic acid
64-18-6

formic acid

C

glyceric acid
473-81-4

glyceric acid

D

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

E

benzene-1,2-diol
120-80-9

benzene-1,2-diol

F

hydroquinone
123-31-9

hydroquinone

G

phenol
108-95-2

phenol

H

4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With dihydrogen peroxide; titanium(IV) oxide In water at 35℃; for 0.5h; pH=7.3; Concentration; Irradiation;
ethanol
64-17-5

ethanol

cyanidin-3-O-glucoside

cyanidin-3-O-glucoside

A

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

B

C15H10O7
1577235-12-1

C15H10O7

C

C21H20O12

C21H20O12

Conditions
ConditionsYield
With water; dihydrogen peroxide at 40℃; for 2h;
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

2-Bromoethyl methyl ether
6482-24-2

2-Bromoethyl methyl ether

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
183322-16-9

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester

Conditions
ConditionsYield
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%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

2,3-dimethyl-buta-1,3-diene
513-81-5

2,3-dimethyl-buta-1,3-diene

ethyl 8-hydroxy-2,3-dimethyl-7-oxo-1,4,4a,7-tetrahydronaphthalene-4a-carboxylate

ethyl 8-hydroxy-2,3-dimethyl-7-oxo-1,4,4a,7-tetrahydronaphthalene-4a-carboxylate

Conditions
ConditionsYield
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
3943-89-3

Ethyl protocatechuate

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

ethyl 3,4-bis(methoxymethoxy)benzoate
959146-62-4

ethyl 3,4-bis(methoxymethoxy)benzoate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; sodium iodide In N,N-dimethyl-formamide at 0 - 20℃; for 48h;98%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

isopropyl bromide
75-26-3

isopropyl bromide

ethyl 3,4-diisopropoxybenzoate
1369403-22-4

ethyl 3,4-diisopropoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20 - 60℃; for 19h; Inert atmosphere;98%
Tetrafluorophthalonitrile
1835-65-0

Tetrafluorophthalonitrile

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

C26H16N2O8

C26H16N2O8

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 80℃; for 3h;98%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl (E)-4-methyl-3,5-hexadienoate
76200-27-6

ethyl (E)-4-methyl-3,5-hexadienoate

4-ethoxycarbonylmethyl-8-hydroxy-3-methyl-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

4-ethoxycarbonylmethyl-8-hydroxy-3-methyl-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

Conditions
ConditionsYield
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
112-29-8

1-bromo dodecane

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl 3,4-bis(dodecyloxy)benzoate
773135-90-3

ethyl 3,4-bis(dodecyloxy)benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide97%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

C25H26O6
1401529-49-4

C25H26O6

Conditions
ConditionsYield
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
3943-89-3

Ethyl protocatechuate

C9H8O4(2-)*Mg(2+)

C9H8O4(2-)*Mg(2+)

Conditions
ConditionsYield
With magnesium hydroxide In water at 20℃; for 2h;97%
ethyl (E)-3,5-hexadienoate
74054-58-3

ethyl (E)-3,5-hexadienoate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

4-ethoxycarbonylmethyl-8-hydroxy-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

4-ethoxycarbonylmethyl-8-hydroxy-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

Conditions
ConditionsYield
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
2051-90-3

Dichlorodiphenylmethane

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

2,2-Diphenyl-1,3-benzodioxolane-5-carboxylic acid, ethyl ester
152361-07-4

2,2-Diphenyl-1,3-benzodioxolane-5-carboxylic acid, ethyl ester

Conditions
ConditionsYield
at 170℃; for 0.166667h;95%
2-chloroethyl methyl ether
627-42-9

2-chloroethyl methyl ether

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
183322-16-9

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester

Conditions
ConditionsYield
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
24424-99-5

di-tert-butyl dicarbonate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

3,4-bis-tert-butoxycarbonyloxy-benzoic acid ethyl ester
918402-89-8

3,4-bis-tert-butoxycarbonyloxy-benzoic acid ethyl ester

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane at 0 - 20℃;95%
thiophosgene
463-71-8

thiophosgene

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl 2-thioxobenzo[d][1,3]dioxole-5-carboxylate
33373-19-2

ethyl 2-thioxobenzo[d][1,3]dioxole-5-carboxylate

Conditions
ConditionsYield
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
538371-55-0

2-[2-(2-ethoxyethoxy)ethoxy]ethyl chloride

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl 3,4-bis-(2-(2-(2-ethoxyethoxy)ethoxy)ethoxy)benzoate
916817-35-1

ethyl 3,4-bis-(2-(2-(2-ethoxyethoxy)ethoxy)ethoxy)benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide95%
1-[2-(ethoxy)ethoxy]-2-chloroethane
41771-35-1

1-[2-(ethoxy)ethoxy]-2-chloroethane

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl 3,4-bis-[2-(2-ethoxyehtoxy)ethoxy]benzoate
906550-98-9

ethyl 3,4-bis-[2-(2-ethoxyehtoxy)ethoxy]benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide95%
2-methoxyethyl methanesulfonate
16427-44-4

2-methoxyethyl methanesulfonate

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester
183322-16-9

3,4-bis(2-methoxyethoxy)benzoic acid ethyl ester

Conditions
ConditionsYield
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%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

hexa(ethyleneglycol) ditosylate
42749-27-9

hexa(ethyleneglycol) ditosylate

C21H32O9

C21H32O9

Conditions
ConditionsYield
With potassium hexafluorophosphate; potassium carbonate In acetonitrile for 12h; Reflux;95%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

dimethyl sulfate
77-78-1

dimethyl sulfate

ethyl veratrate
3943-77-9

ethyl veratrate

Conditions
ConditionsYield
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
2622-21-1

1-vinylcyclohexene

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

ethyl 2,4a,4b,5,6,7,8,10-octahydro-1-hydroxy-2-oxophenanthrene-4a carboxylate
1196885-37-6

ethyl 2,4a,4b,5,6,7,8,10-octahydro-1-hydroxy-2-oxophenanthrene-4a carboxylate

Conditions
ConditionsYield
With lead(II,IV) oxide; trifluoroacetic acid In tetrahydrofuran at 20℃; for 2.5h;94%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

4’-[(10-bromodecyl)oxy]-4-carbonitrile-[1,1’-biphenyl]
140713-89-9

4’-[(10-bromodecyl)oxy]-4-carbonitrile-[1,1’-biphenyl]

3,4-bis[6-(4'-cyanobiphenyl-4-yloxy)hexyloxy]benzoic acid ethyl ester
610785-23-4

3,4-bis[6-(4'-cyanobiphenyl-4-yloxy)hexyloxy]benzoic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In butanone Heating;93%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

rhodamine B
509-34-2

rhodamine B

C28H30O3N2*C9H10O4

C28H30O3N2*C9H10O4

Conditions
ConditionsYield
In acetonitrile at 20℃; for 2.5h;93%
1-methylbuta-1,3-diene
2004-70-8

1-methylbuta-1,3-diene

Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

(4S,4aR)-8-Hydroxy-4-methyl-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

(4S,4aR)-8-Hydroxy-4-methyl-7-oxo-1,7-dihydro-4H-naphthalene-4a-carboxylic acid ethyl ester

Conditions
ConditionsYield
With lithium perchlorate; acetic acid In nitromethane for 16h; electrolysis;92%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

1,3-dibromo-propane
109-64-8

1,3-dibromo-propane

ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate
20986-39-4

ethyl 3,4-dihydro-2H-benzo[b]1,4-dioxepine-7-carboxylate

Conditions
ConditionsYield
With potassium carbonate In ethanol for 5h; Reflux;91%

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