Product Advantages: 1. Caffeic acid is our advantage products, and free samples can be applied. 2. It is available in stock for quick shipment. 3. We produce caffeic acid through bio-fermentation, natural, healthy, can be safely used in cosmetics,
Cas:331-39-5
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryWe produce Caffeic acid through Bio-fermentation instead of traditional chemical synthesis route, which makes the product more pure and is free of many inpurities like heavy metals etc. which is very important for pharm, food or cosmetic use.
Cas:331-39-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProName: Caffeic acid CasNo: 331-39-5 Molecular Formula: C9H8O4 Appearance: Solid powder Application: Applied in dietary supplements,pharmac... DeliveryTime: prompt PackAge: Foil bag or drum Port: Beijing or Guangzhou Port Productio
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Other
inquiryThe purity of most caffeic acid available on the market ,is between 70%-90%. Their color is dark yellow which is considered to be caused by impurities inside . It will be challenging to apply this kind of low-quality caffeic acid in cosmetic produc
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Trading Company
inquiryNanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma
Cas:331-39-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct description: Product name Caffeic acid CAS number 331-39-5 Assay ≥99% Appearance Yellowish crystalline powder Capacity 200mt/year Application Whitening, antioxidant,
1.high purity 2.consistent quality 3.competitive price 4.fast shipping Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products. Binbo is engaged in R&D with perfect equipments and advan
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $0.1 / 0.2
Type:Lab/Research institutions
inquiryAnalysis tests Standard Results Appearance Yellowish Crystallization Conforms Solubility: So
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $250.0 / 350.0
Type:Manufacturers
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $0.8 / 1.0
Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:331-39-5
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryCaffeic acid CAS 331-39-5 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distributing t
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryInspection items The degree of the products Best Grade Products Best Grade Products First
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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:331-39-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
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
GIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $4.0
Type:Lab/Research institutions
inquiryName:3,4-Dihydroxycinnamic acid CAS NO: 331-39-5 Grade:Medical scientific research and export Molecular formula:C9H7O4 Molecular weight:179.15 Product Quality 12 years of chemical raw materials Mature operation of the industry System stabi
Cas:331-39-5
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
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:331-39-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Name Caffeic acid Synonym 3,4-Dihydroxycinnamic acid CAS 331
Appearance:Light yellow to brown powder Storage:2-8°C Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China
Cas:331-39-5
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCaffeic acid English name: Caffeic acid Chemical name: 2-Propenoic acid,3-(3,4-dihydroxy-phenyl) Orginal plant: Shell Specification: 98%, 99% CAS NO.: 331-39-5 Appearance: Yellow crystalline powder Molecular weight:1
Cas:331-39-5
Min.Order:25 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe have two GMP facilities in Hubei Province and cooperative factories in Zhejiang Province We are concentrating on the R&D and technical service of APIs and pharmaceutical intermediates FDA Approved Appearance:Clear colorless Storage:2-8
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $138.0
Type:Trading Company
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:331-39-5
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
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 present
Cas:331-39-5
Min.Order:1 Kilogram
FOB Price: $200.0 / 225.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With silica gel at 110 - 120℃; for 0.0833333h; Condensation; Solid-phase reaction; Decarboxylation; microwave irradiation; | 76% |
With pyridine; aniline In toluene at 95℃; | 55.7% |
With pyridine; aniline In toluene for 2h; Reflux; | 44.2% |
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate at 25℃; for 0.25h; pH=7; Reagent/catalyst; Glovebox; | 50% |
With dipotassium hydrogenphosphate; iron(II) sulfate; citric acid at 30℃; for 1h; Product distribution; pH 5.0, investigated effects of various metal ions and various compounds and enzymes; | |
With leaves Silene dioica at 30℃; for 0.166667h; Mechanism; incubation with glucose-6-posphate and NADP; |
methyl (2E)-3-(1,3-benzodioxol-5-yl)acrylate
caffeic acid
Conditions | Yield |
---|---|
Stage #1: methyl (2E)-3-(1,3-benzodioxol-5-yl)acrylate With boron tribromide In chloroform at 25℃; for 16h; Stage #2: With sodium hydrogencarbonate In chloroform; water at 25℃; pH=7; | 38.3% |
Conditions | Yield |
---|---|
With oxygen; copper(II) perchlorate; ascorbic acid In water | 24% |
In various solvent(s) at 37℃; for 1h; Product distribution; Mechanism; air, phenobarbital-induced rat liver microsomes NADPH, pH = 7.4; other enzymatic system; |
(E)-3-phenylacrylic acid
A
1-[3-(4-hydroxyphenyl)-2-propenoate]-β-D-glucopyranoside
B
caffeic acid
C
p-Coumaric Acid
Conditions | Yield |
---|---|
In ethanol; water at 25℃; for 72h; cell culture of Nicotiana tabacum; |
chlorogenic acid
A
caffeic acid
B
1,3,4,5-tetrahydroxy-cyclohexanecarboxylic acid
C
3,5-dicaffeoylquinic acid
Conditions | Yield |
---|---|
at 30℃; for 0.5h; pH 6.4; enzyme from Ipomoea batatas; |
3-(3',4'-dioxo-1',5'-cyclohexadienyl)propenoic acid
sodium benzenesulfonate
A
caffeic acid
B
6'-phenysulfonylcaffeic acid
C
5'-phenysulfonylcaffeic acid
Conditions | Yield |
---|---|
With O at 30℃; for 48h; alkaline solution, pH 10.0; |
3-caffeoylquinic acid
caffeic acid
Conditions | Yield |
---|---|
With hydrogenchloride; ethanol for 4h; Heating; |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 90℃; for 2h; Product distribution; study of the acid hydrolysis; |
3,4-dihydroxy-β-phenethyl-O-β-D-glucopyranosyl-(1->3)-4-O-caffeoyl-β-D-glucopyranoside
caffeic acid
Conditions | Yield |
---|---|
With sodium hydroxide at 50℃; for 1h; Product distribution; |
cis-verbascoside
A
D-Glucose
B
L-rhamnose
C
caffeic acid
D
hydroxytyrosol
Conditions | Yield |
---|---|
With hydrogenchloride; potassium hydroxide 1.) MeOH, H2O, reflux, 3 h; 2.) MeOH, H2O, reflux; |
methyl 2,5-di-O-caffeyl-α-L-arabinofuranoside
A
caffeic acid
B
methyl β-L-arabinofuranoside
Conditions | Yield |
---|---|
With sodium hydroxide In methanol Product distribution; |
verbascoside
A
caffeic acid
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 4h; Ambient temperature; | A 51 mg B 195 mg |
3,5-dicaffeoylquinic acid
A
caffeic acid
B
D-(-)-quinic acid
Conditions | Yield |
---|---|
With water; unspecific esterase hydrolysis; | |
With water hydrolysis with unspecific esterase; |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol Ambient temperature; |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol Heating; |
Conditions | Yield |
---|---|
In hydrogenchloride reflux 30 min, room temp. overnight; |
1,6-di-O-caffeoyl-D-glucopyranoside
A
D-Glucose
B
caffeic acid
Conditions | Yield |
---|---|
With hydrogenchloride In methanol Heating; |
Conditions | Yield |
---|---|
With sodium hydroxide In water for 1h; Ambient temperature; |
forsythiaside
A
D-Glucose
B
L-rhamnose
C
caffeic acid
D
hydroxytyrosol
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide Ambient temperature; hydrolysis; |
(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chroman-3-yl (E)-3-(3,4-dihydroxyphenyl)acrylate
A
caffeic acid
B
epigallocatechin
Conditions | Yield |
---|---|
In water for 2h; Ambient temperature; tannase; |
Conditions | Yield |
---|---|
With hesperidinase In water at 32℃; for 48h; Product distribution; |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 90℃; for 2h; Product distribution; study of the acid hydrolysis; |
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 4h; Title compound not separated from byproducts; |
caffeic acid
Conditions | Yield |
---|---|
With sodium hydroxide at 50℃; for 1h; Product distribution; |
Conditions | Yield |
---|---|
With potassium hydroxide for 8.5h; Heating; | A n/a B 20 mg |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate In water at 100℃; for 4h; Product distribution; |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate In water at 100℃; for 4h; Product distribution; |
caffeic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate In water at 100℃; for 4h; Product distribution; |
A
caffeic acid
B
5,7-dihydroxy-3-[β-D-glucopyranosyl-(1->2)-β-D-glucopyranosyl-(1->2)-β-D-glucopyranosyl]-2-(3,4-dihydroxyphenyl)-4H-1-benzopyran-4-one
Conditions | Yield |
---|---|
With sodium hydroxide In sodium hydroxide for 24h; Product distribution; Ambient temperature; other reagent; |
Conditions | Yield |
---|---|
With Dowex 50W-X8 Heating; | 100% |
With sulfuric acid for 24h; Reflux; | 100% |
With sulfuric acid at 70℃; for 1h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With pyridine at 20℃; | 100% |
With pyridine at 20℃; | 95% |
With pyridine at 20℃; | 95% |
Conditions | Yield |
---|---|
In tetrahydrofuran 1) room temp, 1.5 h, caution: heavy gas production, 2) reflux, 2 h; | 100% |
In N,N-dimethyl-formamide for 2h; Ambient temperature; |
Conditions | Yield |
---|---|
With hydrogenchloride at 70℃; for 2h; | 99% |
With thionyl chloride for 4h; Heating; | 97% |
With sulfuric acid In water at 82℃; for 24h; Reagent/catalyst; | 96% |
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen In methanol at 20℃; under 760.051 Torr; Inert atmosphere; | 99% |
With palladium 10% on activated carbon; hydrogen In methanol at 25℃; under 2585.81 Torr; for 3h; | 95% |
With ferrous ammonium sulphate hexahydrate; isopropyl β-D-thiogalactopyranoside In aq. phosphate buffer at 37℃; for 48h; Catalytic behavior; Reagent/catalyst; Concentration; | 92% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 99% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 6h; Inert atmosphere; | 85% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 2.5h; | |
With dicyclohexyl-carbodiimide In tetrahydrofuran Reflux; |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 99% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In acetonitrile at 20℃; for 4h; Cooling with ice; | 97.1% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 97% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 7h; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 6h; Heating; | 97% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 7h; Inert atmosphere; | 82% |
With dicyclohexyl-carbodiimide In tetrahydrofuran Reflux; |
caffeic acid
tert-butyl 3-(piperidin-4-yl)benzylcarbamate
(E)-tert-butyl 3-(1-(3-(3,4-dihydroxyphenyl)acryloyl)piperidin-4-yl)benzylcarbamate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 96% |
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; |
caffeic acid
tert-butyldimethylsilyl chloride
(E)-3-(3,4-bis((tert-butyldimethylsilyl)oxy)phenyl)acrylic acid
Conditions | Yield |
---|---|
Stage #1: caffeic acid; tert-butyldimethylsilyl chloride With N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 14h; Stage #2: With potassium carbonate In tetrahydrofuran; water for 2h; | 95% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 14h; | 95% |
With 1H-imidazole In N,N-dimethyl-formamide for 20h; Inert atmosphere; | 90% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 95% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 8h; Inert atmosphere; | 78% |
Stage #1: caffeic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 0.333333h; Stage #2: aniline With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16.33h; | 7.06% |
Conditions | Yield |
---|---|
With sulfuric acid at 50℃; for 24h; | 95% |
With sulfuric acid at 90℃; for 2h; Fischer–Speier Esterification; Molecular sieve; |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 94% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 6h; Inert atmosphere; | 84% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 2.5h; |
Conditions | Yield |
---|---|
Stage #1: caffeic acid With sodium hydroxide In water pH=13; Stage #2: dimethyl sulfate In water at 20℃; for 10h; pH=> 10; Stage #3: With hydrogenchloride In water pH=2; | 94% |
With sodium hydroxide for 6h; | 78.8% |
With sodium hydroxide In water for 3.5h; Heating; | 78.8% |
silver(I) hexafluorophosphate
dichloro[1,4-bis(diphenylphosphino)butane](2,2'-bipyridine)ruthenium(II)
caffeic acid
Conditions | Yield |
---|---|
In methanol for 0.333333h; Darkness; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With 1-methyl-3-(4-sulfobutyl)-1H-imidazol-3-ium 4-methylbenzene-1-sulfonate at 90℃; under 760.051 Torr; for 2h; Activation energy; Catalytic behavior; Reagent/catalyst; Temperature; Concentration; | 93.8% |
Conditions | Yield |
---|---|
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 93% |
Stage #1: caffeic acid With thionyl chloride In 1,4-dioxane for 1h; Heating; Stage #2: propan-1-ol In 1,4-dioxane Heating; Further stages.; | 86% |
With thionyl chloride at 0 - 50℃; for 16.5h; | 65.2% |
Conditions | Yield |
---|---|
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 93% |
Stage #1: caffeic acid With thionyl chloride In 1,4-dioxane for 1h; Heating; Stage #2: butan-1-ol In 1,4-dioxane Heating; Further stages.; | 86% |
With sulfuric acid for 0.166667h; Microwave irradiation; Heating; | 80% |
Conditions | Yield |
---|---|
With sulfuric acid at 92℃; for 0.0666667h; Microwave irradiation; | 93% |
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 92% |
Stage #1: caffeic acid With thionyl chloride In 1,4-dioxane for 1h; Heating; Stage #2: isopropyl alcohol In 1,4-dioxane Heating; Further stages.; | 82% |
With toluene-4-sulfonic acid In benzene for 144h; Heating; | 23% |
With toluene-4-sulfonic acid In toluene at 120℃; for 4h; Fischer esterification; |
caffeic acid
methyl chloroformate
3,4-bis[(methoxycarbonyl)oxy]cinnamic acid
Conditions | Yield |
---|---|
With sodium hydroxide at 0℃; for 1h; | 93% |
With TEA In tetrahydrofuran |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 27℃; for 18h; | 93% |
Stage #1: caffeic acid; Propargylamine With benzotriazol-1-ol; triethylamine In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In N,N-dimethyl-formamide for 18h; | 20% |
caffeic acid
pentafluorophenyl trifloroacetate
pentafluorophenyl 3,4-dihydroxycinnamate
Conditions | Yield |
---|---|
With pyridine In N,N-dimethyl-formamide | 93% |
Conditions | Yield |
---|---|
With sulfuric acid at 118℃; for 0.0666667h; Microwave irradiation; | 92% |
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 91% |
With toluene-4-sulfonic acid In toluene at 120℃; for 4h; Fischer esterification; |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Heating; | 91% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 7h; Inert atmosphere; | 76% |
With dicyclohexyl-carbodiimide In tetrahydrofuran for 7h; Reflux; | 48% |
Conditions | Yield |
---|---|
With sulfuric acid at 142℃; for 0.0833333h; Microwave irradiation; | 91% |
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 90% |
With ytterbium(III) triflate In nitromethane at 120℃; for 1h; | 38.1% |
Conditions | Yield |
---|---|
With sulfuric acid under 9308.91 Torr; Microwave irradiation; Inert atmosphere; Sealed tube; Reflux; | 91% |
With dicyclohexyl-carbodiimide In 1,4-dioxane at 5℃; for 48h; | |
With toluene-4-sulfonic acid Reflux; |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; | 91% |
caffeic acid
benzyl bromide
(E)-benzyl 3-(3,4-bis(benzyloxy)phenyl)acrylate
Conditions | Yield |
---|---|
With potassium carbonate In acetone Reflux; | 90% |
With potassium carbonate In acetone for 15h; Reflux; Inert atmosphere; | 90% |
With potassium carbonate In acetone for 12h; Heating; | 85% |
With potassium carbonate In dichloromethane at 20℃; for 20h; | 80% |
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