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:668-94-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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:668-94-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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
Cas:668-94-0
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:668-94-0
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:668-94-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:668-94-0
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:668-94-0
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:668-94-0
Min.Order:0
Negotiable
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 providi
Cas:668-94-0
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:668-94-0
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:668-94-0
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, special chemicals and OLED
1.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:668-94-0
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
high 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
high 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
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:668-94-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
4,5-Diphenyl-1H-imidazole cas 668-94-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:light beige fine crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
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:any port in China
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
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:any port in China
Cas:668-94-0
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
Price, 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
BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom
Cas:668-94-0
Min.Order:500 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With dipotassium hydrogenphosphate; tetrakis(triphenylphosphine) palladium(0); tetrabutylammomium bromide In methanol; water at 100℃; for 1h; Temperature; Reagent/catalyst; Suzuki Coupling; Inert atmosphere; Microwave irradiation; | 99% |
Conditions | Yield |
---|---|
With ammonium cerium (IV) nitrate; ammonium acetate In ethanol; water at 75 - 80℃; | 97.08% |
2-hydroxy-2-phenylacetophenone
formamide
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
In ethanol for 4h; Reflux; | 95% |
for 3h; Reflux; | 80% |
Stage #1: 2-hydroxy-2-phenylacetophenone; formamide for 3h; Reflux; Stage #2: With hydrogenchloride In water at 80 - 90℃; | 79.9% |
1-cyano-4,5-diphenylimidazole
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 14h; Ambient temperature; | 91% |
2-hydroxy-2-phenylacetophenone
urea
A
4,5-diphenyl-1H-imidazole
B
lophine
C
2,3,5,6-tetraphenylpyrazine
Conditions | Yield |
---|---|
With formic acid at 180℃; for 1.5h; | A 89% B 5% C 3% |
With formic acid at 180℃; for 2h; | A 27% B 31% C 3% |
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 1h; Reflux; | 86% |
With ammonium acetate; acetic acid at 112℃; for 0.0583333h; Microwave irradiation; | 81% |
With ammonium acetate; acetic acid | |
With ammonium acetate; acetic acid |
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In ethylbenzene for 1h; Heating; | 85% |
Conditions | Yield |
---|---|
With 1,2,3-Benzotriazole; ammonium acetate In butan-1-ol at 80℃; for 12h; | 76% |
With ammonium acetate In neat (no solvent) for 0.166667h; Microwave irradiation; | 60% |
With ammonium acetate; acetic acid for 3h; Condensation; Heating; | 50% |
Conditions | Yield |
---|---|
With ammonium acetate; oxygen; Trimethylacetic acid In water; dimethyl sulfoxide at 140℃; | 72% |
Conditions | Yield |
---|---|
With ammonium acetate In methanol; water for 5h; Heating; | A 52% B n/a |
methanol
(E)-1-(4,5-diphenylimidazolyl)-1,2-dibenzoylethylene
A
4,5-diphenyl-1H-imidazole
B
trans-1-methoxy-1,2-dibenzoylethylene
C
(E)-2-Phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
(E)-2-(7aR,7bR)-7a,7b-Dihydro-phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
Conditions | Yield |
---|---|
for 1.5h; Irradiation; | A 41% B 17% C 28% D 16% |
(E)-1-(4,5-diphenylimidazolyl)-1,2-dibenzoylethylene
A
4,5-diphenyl-1H-imidazole
B
trans-1-methoxy-1,2-dibenzoylethylene
C
(E)-2-Phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
(E)-2-(7aR,7bR)-7a,7b-Dihydro-phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
Conditions | Yield |
---|---|
With methanol for 1.5h; Irradiation; | A 41% B 17% C 28% D 16% |
(E)-1-(4,5-diphenylimidazolyl)-1,2-dibenzoylethylene
A
4,5-diphenyl-1H-imidazole
B
(E)-2-Phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
(E)-2-(7aR,7bR)-7a,7b-Dihydro-phenanthro[9,10-d]imidazol-1-yl-1,4-diphenyl-but-2-ene-1,4-dione
D
1,4-diphenylbut-2-ene-1,4-dione
Conditions | Yield |
---|---|
In benzene for 1.5h; Irradiation; | A 35% B 24% C 20% D 12% |
formaldehyd
benzenecarbothioamide
A
4,5-diphenyl-1H-imidazole
B
9,10-Phenanthroimidazol
Conditions | Yield |
---|---|
In benzene for 20h; Ambient temperature; Irradiation; | A 6% B 23% |
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With water | 22% |
formaldehyd
trans-1,2-Diaminocyclohexane
benzil
A
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With ammonium acetate In methanol for 7h; Heating; | A n/a B 14% C n/a |
2-chloro-4,5-diphenyl-1H-imidazole
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With hydrogenchloride; zinc |
4,5-diphenyl-imidazole-1-carboxylic acid anilide
toluene
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
Umkristallisieren; |
4,5-diphenyl-imidazole-1-carboxylic acid anilide
benzene
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
Umkristallisieren; |
2-hydroxy-2-phenylacetophenone
formamide
A
4,5-diphenyl-1H-imidazole
B
2,3,5,6-tetraphenylpyrazine
1,2-diphenyl-2-(phenylamino)ethanone
formamide
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
at 185℃; unter Kohlendioxid; |
2-amino-1,2-diphenyl-ethanone; hydrochloride
formamide
4,5-diphenyl-1H-imidazole
formaldehyd
formamide
benzil
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With formic acid; sodium hydrogensulfite | |
With formaldehyd |
formamide
benzil
A
4,5-diphenyl-1H-imidazole
B
lophine
Conditions | Yield |
---|---|
at 190℃; |
N-(2-oxo-1,2-diphenylethyl)formamide
ammonium acetate
acetic acid
4,5-diphenyl-1H-imidazole
4,5-diphenyl-1H-imidazole-2-thiol
A
4,5-diphenyl-1H-imidazole
B
bis-(4,5-diphenyl-2-imidazolyl)disulfide
Conditions | Yield |
---|---|
With nitric acid |
(2Z)-2-(methylhydrazono)-1,2-diphenylethanone
A
4,5-diphenyl-1H-imidazole
B
benzil monoazine
C
lophine
D
2,3,5,6-tetraphenylpyrazine
Conditions | Yield |
---|---|
In various solvent(s) for 24h; Heating; |
A
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With cesium fluoride In dichloromethane at 20℃; for 12h; Aromatisation; Ring contraction; |
4,5-diphenyl-1H-imidazole
methyl iodide
4,5-diphenyl-1-methyl-1H-imidazole
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 1h; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 35℃; Inert atmosphere; Schlenk technique; Glovebox; | 100% |
Stage #1: 4,5-diphenyl-1H-imidazole With potassium tert-butylate In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 89% |
Stage #1: 4,5-diphenyl-1H-imidazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 20℃; Inert atmosphere; Schlenk technique; Glovebox; | 81% |
4,5-diphenyl-1H-imidazole
epichlorohydrin
1-Oxiranylmethyl-4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With sodium hydroxide In methanol | 98% |
With sodium hydroxide In methanol at 20℃; for 3h; Alkylation; |
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole With potassium hydroxide In tetrahydrofuran at 20℃; for 5h; Stage #2: 1,2,3,4,5,6-hexa(bromomethyl)benzene In tetrahydrofuran at 20℃; for 48h; | 96% |
4,5-diphenyl-1H-imidazole
carbonic acid dimethyl ester
4,5-diphenyl-1-methyl-1H-imidazole
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate at 100℃; for 10h; | 95% |
With 18-crown-6 ether at 100℃; for 10h; | 85% |
4,5-diphenyl-1H-imidazole
toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.5h; Stage #2: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester In N,N-dimethyl-formamide at 80℃; for 16h; | 94% |
4,5-diphenyl-1H-imidazole
4-methoxybenzenediazonium tetrafluoroborate
2-((4-methoxyphenyl)-azo)-4,5-diphenylimidazole
Conditions | Yield |
---|---|
With sodium methylate In methanol; acetonitrile for 1h; | 93% |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 80℃; for 20h; Sealed tube; | 91% |
4,5-diphenyl-1H-imidazole
benzyl chloride
1-benzyl-4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 90% |
With sodium hydride In tetrahydrofuran Heating; | 42% |
Conditions | Yield |
---|---|
With Cl2 In acetonitrile prepn. by the method of M. R. Bermejo, M. I. Fernandez, B. Fernandez, E. Gomez, M. Gayoso, An. Quim., 84B, 52 (1988); | 90% |
Conditions | Yield |
---|---|
With I2 In acetonitrile prepn. by the method of M. R. Bermejo, M. I. Fernandez, B. Fernandez, E. Gomez, M. Gayoso, An. Quim., 84B, 52 (1988); | 90% |
tetrahydrofuran
4,5-diphenyl-1H-imidazole
1-(tetrahydrofuran-2-yl)-4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; iron(III) chloride hexahydrate In decane at 80℃; for 3h; Inert atmosphere; Molecular sieve; | 90% |
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole; diphenyliodonium tetrafluoroborate With copper(I) oxide In N,N-dimethyl-formamide at 120℃; for 4h; Stage #2: With potassium phosphate In N,N-dimethyl-formamide at 120℃; for 6h; Reagent/catalyst; Solvent; Temperature; | 90% |
With copper(I) oxide In N,N-dimethyl-formamide at 120℃; for 20h; Schlenk technique; Inert atmosphere; | 76% |
4,5-diphenyl-1H-imidazole
methyl 2-(acetoxy(2-bromophenyl)methyl)acrylate
Conditions | Yield |
---|---|
With potassium hydroxide In acetonitrile at 0℃; for 2h; | 89% |
4,5-diphenyl-1H-imidazole
1,2-dibromomethane
1,1'-methylenebis(4,5-diphenylimidazole)
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole With potassium hydroxide In acetonitrile for 0.25h; Stage #2: 1,2-dibromomethane In acetonitrile for 72h; | 89% |
4,5-diphenyl-1H-imidazole
4-Methylbenzyl bromide
1,3-bis(4-methylbenzyl)-4,5-bisphenylimidazolium bromide
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; for 48h; | 88.7% |
Conditions | Yield |
---|---|
Stage #1: 4,5-diphenyl-1H-imidazole With sodium hydride In tetrahydrofuran at 0 - 20℃; for 0.333333h; Inert atmosphere; Stage #2: 1-bromomethyl-3-trifluoromethylbenzene In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 88% |
4,5-diphenyl-1H-imidazole
2-bromo-4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
With bromine In dichloromethane 1.) 0 deg C, 1 h, 2.) RT, 16 h; | 87% |
With bromine In chloroform at 40℃; for 3h; | 60% |
With chloroform; bromine |
1 ,6-dibromohexane
4,5-diphenyl-1H-imidazole
4,5-diphenyl-1-[6-(4,5-diphenyl-1H-1-imidazolyl)hexyl]-1H-imidazole
Conditions | Yield |
---|---|
With potassium hydroxide; tetra-(n-butyl)ammonium iodide In acetone for 4h; Heating; | 87% |
4,5-diphenyl-1H-imidazole
Conditions | Yield |
---|---|
In acetonitrile (C6H5)2C3H2N2 added to a soln. of Ni complex, refluxed for 24 h; cooled to room temp., filtered, solvent-removed, chromd. (silica gel, CHCl3/acetone, then MeOH); elem. anal.; | A n/a B 87% |
4,5-diphenyl-1H-imidazole
2-(bromomethyl)pyridine hydrobromide
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran for 48h; Reflux; | 87% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; | 86% |
Conditions | Yield |
---|---|
In toluene at 60℃; for 24h; Inert atmosphere; Schlenk technique; Glovebox; | 86% |
4,5-diphenyl-1H-imidazole
4-methoxy-benzoyl chloride
(4,5-diphenyl-1H-imidazol-2-yl)(4-methoxyphenyl)methanone
Conditions | Yield |
---|---|
With pyridine; triethylamine at 20℃; Cooling with ice; | 85% |
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