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:123297-88-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur Service: 1. Fast Delivery: We can delivery within 24 hours upon receipt of your payment. 2. Quality can be promised. Hot sell to Worldwide. 3. Payment Terms: T/T,Western union, t/t 4. Free Sample available at any time. 5. Tracking your order at a
Cas:123297-88-1
Min.Order:1 Kilogram
FOB Price: $150.0 / 200.0
Type:Trading Company
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:123297-88-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-BENZOFURAN-6-CARBALDEHYDE CAS:123297-88-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality orga
Cas:123297-88-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:123297-88-1
Min.Order:1 Kilogram
Negotiable
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
Cas:123297-88-1
Min.Order:0
Negotiable
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
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:123297-88-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.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:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1-BENZOFURAN-6-CARBALDEHYDEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirystock,low price,high quality,high purity,good sevice Application:R&D
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
The factory supplies Application:manufacturing supplies
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:123297-88-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryTodachem specialize in exporting chemicals for 10 years, we manufacture and distribute high quality pharmaceutical APIs, intermediates, special chemicals, active molecule and other fine chemicals. We have our research laboratory and more than 100 n
Cas:123297-88-1
Min.Order:1 Kilogram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiryShandong Jucheng chemical is a leading chemical manufacturer and supplier in China. We develop, manufacture and market high quality pharmaceuticals, intermediates, specialty chemicals and OLED intermediates and other fine chemicals. Shandong Jucheng
Cas:123297-88-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Trading Company
inquiryAopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of
Cas:123297-88-1
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:123297-88-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryN,N-dimethyl-formamide
6-bromo-benzofuran
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Stage #1: 6-bromo-benzofuran With isopropylmagnesium bromide In tetrahydrofuran at -25℃; for 0.5h; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -25℃; | 80% |
Stage #1: 6-bromo-benzofuran With tert.-butyl lithium In diethyl ether; pentane at -78℃; for 0.0833333h; Inert atmosphere; Stage #2: N,N-dimethyl-formamide In diethyl ether; pentane at -78 - 0℃; for 0.5h; Inert atmosphere; | 54% |
N,N-dimethyl-formamide
2-(3-bromophenoxy)acetaldehyde diethyl acetal
A
benzofuran-7-carboxaldehyde
B
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromophenoxy)acetaldehyde diethyl acetal In toluene for 3h; Reflux; Stage #2: N,N-dimethyl-formamide With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h; | A n/a B 34% |
carbon monoxide
trifluoromethanesulfonic acid benzofuran-6-yl ester
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; diphenylphosphinopropane; tri-n-octylsilane In N,N-dimethyl-formamide at 70℃; for 2h; | 29% |
N,N-dimethyl-formamide
2-(3-bromophenoxy)acetaldehyde diethyl acetal
A
benzofuran-4-carboxaldehyde
B
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
With PPA; tert.-butyl lithium 1.) benzene, reflux, 2.) Et2O, -78 deg C, 3.) Et2O; Multistep reaction; |
6-hydroxybenzofuran
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 96 percent / triethylamine / CH2Cl2 / 1.5 h / 0 - 20 °C 2: 29 percent / Pd(OAc)2; diphenylphosphinopropane; triethylamine / trioctylsilane / dimethylformamide / 2 h / 70 °C View Scheme |
6-hydroxybenzofuran-3-one
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: triethylamine / dimethylformamide / 2 h / 20 °C 2: NaBH4 / methanol / 1 h / 20 °C 3: 6.93 g / aq. HCl / dioxane / 24 h / 20 °C 4: 96 percent / triethylamine / CH2Cl2 / 1.5 h / 0 - 20 °C 5: 29 percent / Pd(OAc)2; diphenylphosphinopropane; triethylamine / trioctylsilane / dimethylformamide / 2 h / 70 °C View Scheme |
6-(tert-butyl-dimethylsilanyloxy)-[2H]-benzofuran-3-one
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: NaBH4 / methanol / 1 h / 20 °C 2: 6.93 g / aq. HCl / dioxane / 24 h / 20 °C 3: 96 percent / triethylamine / CH2Cl2 / 1.5 h / 0 - 20 °C 4: 29 percent / Pd(OAc)2; diphenylphosphinopropane; triethylamine / trioctylsilane / dimethylformamide / 2 h / 70 °C View Scheme |
3-hydroxy-6-silyloxy-[2,3]dihydrobenzofuran
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 6.93 g / aq. HCl / dioxane / 24 h / 20 °C 2: 96 percent / triethylamine / CH2Cl2 / 1.5 h / 0 - 20 °C 3: 29 percent / Pd(OAc)2; diphenylphosphinopropane; triethylamine / trioctylsilane / dimethylformamide / 2 h / 70 °C View Scheme |
3-Bromophenol
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF 2: 1.) polyphosphoric acid, 2.) t-BuLi / 1.) benzene, reflux, 2.) Et2O, -78 deg C, 3.) Et2O View Scheme | |
Multi-step reaction with 3 steps 1.1: potassium carbonate / dimethyl sulfoxide / 12 h / 20 - 160 °C / Inert atmosphere 2.1: polyphosphoric acid (PPA) / toluene / 4 h / 20 °C / Inert atmosphere; Reflux 3.1: tert.-butyl lithium / diethyl ether; pentane / 0.08 h / -78 °C / Inert atmosphere 3.2: 0.5 h / -78 - 0 °C / Inert atmosphere View Scheme |
2-(3-bromophenoxy)acetaldehyde diethyl acetal
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: polyphosphoric acid (PPA) / toluene / 4 h / 20 °C / Inert atmosphere; Reflux 2.1: tert.-butyl lithium / diethyl ether; pentane / 0.08 h / -78 °C / Inert atmosphere 2.2: 0.5 h / -78 - 0 °C / Inert atmosphere View Scheme |
3-Bromophenol
A
benzofuran-7-carboxaldehyde
B
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 100 °C 2.1: polyphosphoric acid / toluene / 3 h / Reflux 2.2: 2 h / -78 °C View Scheme |
benzofuran-6-carboxaldehyde
benzofuran-6-carboxylic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydroxide In water at 75 - 90℃; | 70% |
1-bromo-2-(triisopropylsilyl)acetylene
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; lithium acetate; 3,5-Bis-(trifluoromethyl)aniline; silver carbonate; trifluoroacetic acid In 1,2-dichloro-ethane at 70℃; Inert atmosphere; Sealed tube; | 53% |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; potassium carbonate In ethanol; water at 20℃; | 41% |
Methyl azidoacetate
benzofuran-6-carboxaldehyde
(Z)-methyl 2-azido-3-(benzofuran-6-yl)acrylate
Conditions | Yield |
---|---|
With sodium methylate In methanol at -20 - -10℃; Inert atmosphere; | 38% |
Conditions | Yield |
---|---|
With sodium hydroxide at 15℃; |
benzofuran-6-carboxaldehyde
4-Benzofuran-6-yl-2-(4-methoxy-phenyl)-4,5-dihydro-3H-pyrrole-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran 3: H2 / W-2 Raney Ni / ethyl acetate / 3040 Torr View Scheme |
benzofuran-6-carboxaldehyde
3-Benzofuran-6-yl-2-(4-methoxy-benzoyl)-4-nitro-butyric acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran 3: H2 / W-2 Raney Ni / ethyl acetate / 3040 Torr 4: NaBH3CN, HCl / ethanol; tetrahydrofuran View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran 3: H2 / W-2 Raney Ni / ethyl acetate / 3040 Torr 4: NaBH3CN, HCl / ethanol; tetrahydrofuran View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran 3: H2 / W-2 Raney Ni / ethyl acetate / 3040 Torr 4: NaBH3CN, HCl / ethanol; tetrahydrofuran View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 50percent aq. NaOH / 15 °C 2: DBU / propan-2-ol; tetrahydrofuran 3: H2 / W-2 Raney Ni / ethyl acetate / 3040 Torr 4: NaBH3CN, HCl / ethanol; tetrahydrofuran View Scheme |
benzofuran-6-carboxaldehyde
methyl 5H-furo[2,3-f]indole-6-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium methylate / methanol / -20 - -10 °C / Inert atmosphere 2: iron(II) triflate / tetrahydrofuran / 24 h / 80 °C / Sealed tube; Inert atmosphere View Scheme |
benzofuran-6-carboxaldehyde
ethyl 2-(bis(2-isopropylphenoxy)phosphoryl)acetate
A
(Z)-ethyl 3-(benzofuran-6-yl)acrylate
B
3-(6-[2,3]dihydrobenzofuran)-2-propenoic acid
Conditions | Yield |
---|---|
Stage #1: ethyl 2-[bis(2-isopropylphenoxy)phosphoryl]acetate With N-benzyl-trimethylammonium hydroxide In tetrahydrofuran; methanol at -78℃; Horner-Wadsworth-Emmons Olefination; Inert atmosphere; Stage #2: benzofuran-6-carboxaldehyde In tetrahydrofuran; methanol at -78℃; Horner-Wadsworth-Emmons Olefination; Inert atmosphere; Overall yield = 82 %; diastereoselective reaction; | A n/a B n/a |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydroxylamine hydrochloride; potassium carbonate / ethanol; water / 20 °C 2: sodium hypochlorite / water; dichloromethane / 2 h / 0 - 20 °C View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydroxylamine hydrochloride; potassium carbonate / ethanol; water / 20 °C 2: sodium hypochlorite / water; dichloromethane / 2 h / 0 - 20 °C 3: ammonium hydroxide / ethanol / Resolution of racemate View Scheme |
benzofuran-6-carboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydroxylamine hydrochloride; potassium carbonate / ethanol; water / 20 °C 2: sodium hypochlorite / water; dichloromethane / 2 h / 0 - 20 °C 3: ammonium hydroxide / ethanol / Resolution of racemate View Scheme |
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