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
Cas:195730-31-5
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryFactory supply Benzocyclobutene-4-boronic acid CAS 195730-31-5 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediate
Cas:195730-31-5
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
Cas:195730-31-5
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Manufacturers
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:195730-31-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:195730-31-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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
Cas:195730-31-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:195730-31-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryBenzocyclobutene-4-boronic acid CAS:195730-31-5 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
Cas:195730-31-5
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:195730-31-5
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:195730-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest 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
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 have s
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
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
Cas:195730-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:195730-31-5
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:195730-31-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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:195730-31-5
Min.Order:1 Metric Ton
Negotiable
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:195730-31-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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:195730-31-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:195730-31-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High 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
Cas:195730-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Lower 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:195730-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:195730-31-5
Min.Order:0
Negotiable
Type:Manufacturers
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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:195730-31-5
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:195730-31-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4-bromobenzocyclobutene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Stage #1: 4-bromobenzocyclobutene With magnesium In tetrahydrofuran Stage #2: With Trimethyl borate In tetrahydrofuran at -78 - 20℃; | 73% |
1,3-dibromobenzene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With borax; tetrabutylammomium bromide; palladium dichloride In ethanol at 20℃; for 3h; Suzuki coupling; | 98% |
1.4-dibromobenzene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With lithium hydroxide; tetrabutylammomium bromide; palladium dichloride In ethanol at 20℃; for 6h; Suzuki coupling; | 98% |
4-(4-bromophenyl)bromobenzene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With borax; tetrabutylammomium bromide; palladium dichloride In ethanol at 20℃; for 8h; Suzuki coupling; | 98% |
4-bromobenzocyclobutene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With borax; tetrabutylammomium bromide; palladium dichloride In ethanol at 20℃; Suzuki coupling; | 96% |
Conditions | Yield |
---|---|
With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water at 60℃; for 10h; Suzuki Coupling; Inert atmosphere; | 90% |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene at 75℃; for 12h; Suzuki Coupling; Inert atmosphere; | 85% |
1-bromo-3,5-dichlorobenzene
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; toluene at 90℃; for 12h; Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; toluene at 80℃; for 10.5h; Inert atmosphere; | 56.5% |
(3aR,4S,6R,6aR)-tetrahydro-6-methoxy-2,2-dimethylfuro-[3,4-d][1,3]dioxole-4-carbaldehyde
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Stage #1: 4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid With diethylzinc In toluene at 25 - 60℃; for 1h; Stage #2: (3aR,4S,6R,6aR)-tetrahydro-6-methoxy-2,2-dimethylfuro-[3,4-d][1,3]dioxole-4-carbaldehyde In toluene at 60℃; for 2h; | 55.8% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; toluene at 80℃; for 10.5h; Inert atmosphere; | 52% |
N,N'-didodecyl-1,6,7,12-tetrabromoperylene-3,4,9,10-tetracarboxylic acid bisimide
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); cesium fluoride; silver(l) oxide In 1,2-dimethoxyethane at 80℃; for 24h; Suzuki coupling; Inert atmosphere; | 45% |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
12-bromodehydroabietic acid
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water at 60℃; for 10h; Solvent; Reagent/catalyst; Inert atmosphere; | |
With tetrakis(triphenylphosphine) palladium(0) In ethanol; water at 60℃; for 10h; Temperature; Suzuki Coupling; Inert atmosphere; | |
With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water at 60℃; for 10h; Temperature; Solvent; Reagent/catalyst; Suzuki Coupling; Inert atmosphere; |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: diethylzinc / toluene / 1 h / 25 - 60 °C 1.2: 2 h / 60 °C 2.1: triphenylphosphine; diisopropyl (E)-azodicarboxylate / toluene / 3 h / 0 - 25 °C View Scheme |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: diethylzinc / toluene / 1 h / 25 - 60 °C 1.2: 2 h / 60 °C 2.1: triphenylphosphine; diisopropyl (E)-azodicarboxylate / toluene / 3 h / 0 - 25 °C 3.1: trifluoroacetic acid; water / 36 h / 40 °C View Scheme |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: diethylzinc / toluene / 1 h / 25 - 60 °C 1.2: 2 h / 60 °C 2.1: triphenylphosphine; diisopropyl (E)-azodicarboxylate / toluene / 3 h / 0 - 25 °C 3.1: trifluoroacetic acid; water / 36 h / 40 °C 4.1: pyridine; tributylphosphine; diisopropyl (E)-azodicarboxylate / tetrahydrofuran / 2 h / 25 °C 5.1: ammonium hydroxide / 1,4-dioxane / 16 h / 120 °C View Scheme |
4-bicyclo[4.2.0]octa-1,3,5-trienylboronic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: diethylzinc / toluene / 1 h / 25 - 60 °C 1.2: 2 h / 60 °C 2.1: triphenylphosphine; diisopropyl (E)-azodicarboxylate / toluene / 3 h / 0 - 25 °C 3.1: trifluoroacetic acid; water / 36 h / 40 °C 4.1: pyridine; tributylphosphine; diisopropyl (E)-azodicarboxylate / tetrahydrofuran / 2 h / 25 °C View Scheme |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View