As 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:119-52-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Our 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
Cas:119-52-8
Min.Order:1 Metric Ton
Negotiable
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:119-52-8
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:119-52-8
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:119-52-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryANISOIN CAS: 119-52-8 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 organic intermediates, ste
Cas:119-52-8
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:119-52-8
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:119-52-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
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:119-52-8
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:119-52-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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 providing h
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:119-52-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:119-52-8
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:119-52-8
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
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
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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
best seller Application:API
Ansciep 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:119-52-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
best seller Application:API
Anisoin cas 119-52-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application: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
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
best seller Application:API
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1,2-bis-(4-methoxyphenyl)-2-[(trimethylsilyl)oxy]ethanone
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
With methanol; 1,3-disulfonic acid imidazolium hydrogen sulfate at 20℃; for 0.0833333h; Green chemistry; | 98% |
With hydrogenchloride In tetrahydrofuran; water at 20℃; | 9.27 g |
Conditions | Yield |
---|---|
With 1,3-dimethylbenzimidazolium Iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane for 1.5h; Heating; | 95% |
With N-(2-(3-mesityl-2,3-dihydro-1H-imidazol-1-yl)ethyl)-2-methylpropan-2-amine In tetrahydrofuran at 20℃; for 8h; Inert atmosphere; | 94% |
With sodium cyanide; cocamidopropyl betaine In ethanol; water at 55 - 65℃; for 0.666667h; Benzoin Condensation; | 91% |
Conditions | Yield |
---|---|
With ammonium chloride; zinc In tetrahydrofuran at 20℃; for 1h; | 94% |
With water; zinc trifluoromethanesulfonate; zinc In 1,4-dioxane at 90℃; for 4h; Inert atmosphere; Schlenk technique; Green chemistry; | 92% |
With titanium(IV) iodide In acetonitrile at 0 - 20℃; for 5.3h; Reduction; | 88% |
1,2-bis(4-methoxyphenyl)-1,2-ethanediol
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium hydrogen sulfate; sodium bromate In water at 20℃; for 1.5h; Green chemistry; | 80% |
With magnesium sulfate; methyltrioxorhenium(VII) In acetonitrile for 2h; Heating; |
bis(p-methoxyphenyl)methanone
N,N-dimethyl-formamide
A
4,4'-dimethoxybenzoin
B
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
Conditions | Yield |
---|---|
With samarium; iodine at 50℃; for 1h; | A 78% B 16% |
With samarium; chloro-trimethyl-silane at 80℃; for 4h; Product distribution; Further Variations:; Reagents; Temperatures; time; | A 53% B 35% |
With samarium diiodide at 20℃; for 0.166667h; | A 48% B 36% |
4-methoxy-benzaldehyde
A
4,4'-dimethoxybenzoin
B
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
Conditions | Yield |
---|---|
With samarium; potassium iodide; copper(l) chloride In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | A 78% B 15% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 25℃; for 40h; Inert atmosphere; | A 52% B 9% |
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
A
4,4'-dimethoxybenzoin
B
2,3-Dihydroxy-1,2-bis-(4-methoxy-phenyl)-propan-1-one
Conditions | Yield |
---|---|
With rongalite In water; N,N-dimethyl-formamide at 100℃; for 1.5h; | A 68% B n/a |
4-methoxy-benzaldehyde
acrylic acid methyl ester
A
methyl 3-(4-methoxybenzoyl)propionate
B
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
With triethylamine; 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In various solvent(s) at 80℃; for 14h; Stetter reaction; | A 68% B n/a |
1,2-bis(4-methoxyphenyl)-1,2-ethanediol
A
4,4'-dimethoxybenzoin
B
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
Conditions | Yield |
---|---|
With hydrogenchloride; dichloro(4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane)manganese(II); dihydrogen peroxide In water; acetonitrile at 29.84℃; for 6h; pH=3; Inert atmosphere; | A 68% B 29% |
4-methoxy-benzaldehyde
A
4,4'-dimethoxybenzoin
B
1,2-bis(4-methoxyphenyl)-1,2-ethanedione
Conditions | Yield |
---|---|
Stage #1: C12H15OPolS2 With n-butyllithium In tetrahydrofuran at -35℃; for 2h; solid phase reaction; Stage #2: 4-methoxy-benzaldehyde In tetrahydrofuran; Petroleum ether at -35℃; solid phase reaction; Stage #3: With N-Bromosuccinimide In tetrahydrofuran; water | A 49% B 20% |
Conditions | Yield |
---|---|
With samarium; titanium tetrachloride In tetrahydrofuran Heating; | 46% |
p-cresol
(α-chloro-4-methoxybenzyl)-(4-methoxyphenyl)-ketone
A
2,3-bis-(4-methoxy-phenyl)-5-methyl-benzofuran
B
4,4'-dimethoxybenzoin
C
1,2-bis-(4-methoxyphenyl)-2-(4'-methylphenoxy)ethanone
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 3h; Heating; | A 45% B 15% C 20% |
4-Methoxybenzyl alcohol
A
1,2-bis(4-methoxyphenyl)-1,2-ethanediol
B
4-methoxy-benzaldehyde
C
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
With cadmium(II) sulphide In acetonitrile at 20℃; under 37.5038 Torr; for 24h; Inert atmosphere; Irradiation; | A 11% B 24% C 36% |
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran for 3h; Heating; | 34% |
(4-methoxybenzoyl)trimethylsilane
4-methoxy-benzaldehyde
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 48h; Inert atmosphere; Irradiation; Schlenk technique; | 31% |
4-methoxy-benzaldehyde
acrylic acid methyl ester
A
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-benzaldehyde With potassium tert-butylate; 1,3-dimethylimidazolim iodide In tetrahydrofuran at 20℃; for 3h; Stage #2: acrylic acid methyl ester In tetrahydrofuran at 20℃; for 44h; | A n/a B 27% |
Conditions | Yield |
---|---|
With sodium hydroxide; carbon monoxide; methyl iodide In water; benzene at 20℃; for 20h; | 5% |
Conditions | Yield |
---|---|
With sodium cyanide |
4-methoxy-benzaldehyde
1,1',3,3'-tetramethyl-2,2'-biimidazolidinylidene
A
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
at 60 - 90℃; for 0.5h; |
4-methoxy-benzaldehyde
bis(1,3-dibenzylimidazolidin-2-ylidene)
A
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
at 60 - 90℃; for 0.5h; |
Conditions | Yield |
---|---|
With 1,1',3,3'-tetramethyl-2,2'-biimidazolidinylidene at 60 - 90℃; for 0.5h; Yield given; |
4-methoxy-benzaldehyde
A
4-methoxybenzyl 4-methoxybenzoate
B
4,4'-dimethoxybenzoin
C
4-Methoxybenzyl alcohol
Conditions | Yield |
---|---|
EtNdI In tetrahydrofuran at 65℃; for 20h; | A 11 % Spectr. B 7 % Spectr. C 13 % Spectr. |
4,4'-dimethoxybenzoin
Conditions | Yield |
---|---|
With chromium dichloride | |
With platinum(IV) oxide; acetic acid ester; hydrogen at 60℃; | |
With diethyl ether; magnesium; magnesium iodide Reagens 4: Benzol; und Behandlung des Reaktionsprodukts mit Wasser; |
Conditions | Yield |
---|---|
udn Behandlung des Reaktionsprodukts mit Wasser; |
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