Dayang Chem (Hangzhou) Co.,Ltd.
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 according to the contract research and development services for the fine chemicals, ph
Shandong Hanjiang Chemical Co., Ltd.
Hello, 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:93390-81-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co., Ltd.
Henan 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:93390-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Henan Tianfu Chemical Co., Ltd.
1.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:93390-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAntimex Chemical Limied
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:93390-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHunan Russell Chemicals Technology Co.,Ltd
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
Shanghai Chinqesen Biotechnology Co., Ltd.
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Nanjing Raymon Biotech Co., Ltd.
(3-Phosphoryloxymethyl)phenytoinAppearance:Off white to slight yellow solid Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier
Shanghai united Scientific Co.,Ltd.
Cas:93390-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAZAD FINE CHEMICALS Limited Liability Company
Cas:93390-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySynthetic route
-
-
93360-08-8
phosphoric acid dibenzyl ester 2,5-dioxo-4,4-diphenylimidazolidin-1-ylmethyl ester
-
-
93390-81-9
fosphenytoin
| Conditions | Yield |
|---|---|
| With hydrogen; palladium on activated charcoal In ethyl acetate under 3102.9 Torr; for 0.416667h; | 54.5% |
| With hydrogen; palladium on activated charcoal In ethyl acetate | |
| With hydrogen; palladium on activated charcoal In methanol at 25℃; under 2206.73 - 2574.52 Torr; for 2h; | |
| With hydrogen; palladium 10% on activated carbon In ethyl acetate at 30℃; under 2206.72 - 2942.29 Torr; for 3h; | |
| With 5%-palladium/activated carbon; hydrogen In methanol Large scale; | 20 kg |
-
-
57-41-0
phenythoin
-
-
93390-81-9
fosphenytoin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 92 percent / potassium carbonate / H2O / 24 h / Ambient temperature 2: 61 percent / phosphorous trichloride / CH2Cl2 / 24 h / Ambient temperature 3: 67 percent / benzene / 2 h / Heating 4: 54.5 percent / H2 / palladium on activated carbon / ethyl acetate / 0.42 h / 3102.9 Torr View Scheme | |
| Multi-step reaction with 4 steps 1: ethanol / 50 °C / Large scale 2: N,N-dimethyl-formamide; thionyl chloride / ethyl acetate / 50 °C / Large scale 3: potassium carbonate; potassium iodide / ethyl acetate / 70 °C / Large scale 4: hydrogen; 5%-palladium/activated carbon / methanol / Large scale View Scheme |
-
-
93360-07-7
3-(chloromethyl)-5,5-diphenylhydantoin
-
-
93390-81-9
fosphenytoin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 67 percent / benzene / 2 h / Heating 2: 54.5 percent / H2 / palladium on activated carbon / ethyl acetate / 0.42 h / 3102.9 Torr View Scheme | |
| Multi-step reaction with 2 steps 1: potassium carbonate; potassium iodide / ethyl acetate / 70 °C / Large scale 2: hydrogen; 5%-palladium/activated carbon / methanol / Large scale View Scheme |
-
-
21616-46-6
3-hydroxymethyl-5,5-diphenyl-imidazolidine-2,4-dione
-
-
93390-81-9
fosphenytoin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 61 percent / phosphorous trichloride / CH2Cl2 / 24 h / Ambient temperature 2: 67 percent / benzene / 2 h / Heating 3: 54.5 percent / H2 / palladium on activated carbon / ethyl acetate / 0.42 h / 3102.9 Torr View Scheme | |
| Multi-step reaction with 3 steps 1: N,N-dimethyl-formamide; thionyl chloride / ethyl acetate / 50 °C / Large scale 2: potassium carbonate; potassium iodide / ethyl acetate / 70 °C / Large scale 3: hydrogen; 5%-palladium/activated carbon / methanol / Large scale View Scheme |
-
-
93390-81-9
fosphenytoin
| Conditions | Yield |
|---|---|
| With sodium hydroxide In methanol; water | |
| With sodium hydroxide In methanol at 5℃; for 0.666667h; Product distribution / selectivity; | |
| With sodium hydroxide In ethanol; water pH=8.2 - Ca. 9.3; Large scale; |
Related products
Hot Products
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