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:157356-73-5
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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
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inquiryName: Olmesartan intermediate impurity VI Synonyms: 4-(1-Methylethenyl)-2-propyl-1H-Imidazole-5-carboxylic acidethylester CAS: 157356-73-5 Appearance:Colorless clear liquid Storage:Preserve in well-closed, light-resistant and airtight containers.
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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
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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
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:157356-73-5
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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
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Cas:157356-73-5
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inquiryProduct name: Olmesartan Intermediate Impurity VI CAS No.:157356-73-5 Molecule Formula:C12H18N2O2 Molecule Weight:222.28 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard
Cas:157356-73-5
Min.Order:1 Kilogram
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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:157356-73-5
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FOB Price: $7.0 / 8.0
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inquiryTAIHO 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
Cas:157356-73-5
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Type:Manufacturers
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:157356-73-5
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inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as:
Cas:157356-73-5
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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:157356-73-5
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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:Pharm intermediate
good quality, competitive price, thoughtful after sale serviceAppearance:Light Yellow to Beige Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as pri
Cas:157356-73-5
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inquirySupply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:157356-73-5
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inquiry157356-73-5 Application:intermediate
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Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:157356-73-5
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Type:Trading Company
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
Watson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Cas:157356-73-5
Min.Order:1 Gram
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inquiryBetterbiochem 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
Cas:157356-73-5
Min.Order:1 Gram
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inquiryHangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and int
Cas:157356-73-5
Min.Order:1 Gram
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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:157356-73-5
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inquiryplease contact us to confirm the required quantity and quote, we will provide you with COA,NMR,HPLC and other relevant informationAppearance:White powder Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilated place
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inquiryThe system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin
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Type:Manufacturers
inquiryethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazole-5-carboxylate
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate 1.) benzene, reflux, 1 h, 2.) benzene, reflux, 1 h; Yield given. Multistep reaction; |
2-propyl-1H-imidazole-4,5-dicarboxylic acid
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 86 percent / HCl / Ambient temperature 2: 95 percent / diethyl ether; CH2Cl2 / 1 h / 10 - 15 °C 3: 1.) POCl3, 2.) pyridine / 1.) benzene, reflux, 1 h, 2.) benzene, reflux, 1 h View Scheme |
2-propyl-1H-imidazole-4, 5-diethyl azodicarboxylate
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / diethyl ether; CH2Cl2 / 1 h / 10 - 15 °C 2: 1.) POCl3, 2.) pyridine / 1.) benzene, reflux, 1 h, 2.) benzene, reflux, 1 h View Scheme |
2-propylimidazole-4,5-dicarbonitrile
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 80 percent / 6N aq. HCl / 8 h / Heating 2: 86 percent / HCl / Ambient temperature 3: 95 percent / diethyl ether; CH2Cl2 / 1 h / 10 - 15 °C 4: 1.) POCl3, 2.) pyridine / 1.) benzene, reflux, 1 h, 2.) benzene, reflux, 1 h View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
ethyl 4-isopropyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol for 3h; Ambient temperature; | 93% |
4'-bromomethyl-biphenyl-2-carboxylic acid tert-butyl ester
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
A
3-(2'-tert-Butoxycarbonyl-biphenyl-4-ylmethyl)-5-isopropenyl-2-propyl-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With potassium tert-butylate 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h; Yield given. Multistep reaction. Yields of byproduct given; |
N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
B
5-Isopropenyl-2-propyl-3-[2'-(2-trityl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With potassium tert-butylate 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h; Yield given. Multistep reaction. Yields of byproduct given; |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 3: 82 percent / HCl / dioxane / 16 h / Ambient temperature 4: 100 percent / LiOH*H2O / dioxane; H2O / 5 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 2: 92 percent / HCl / dioxane / 16 h / Ambient temperature 3: 94 percent / LiOH*H2O / dioxane; H2O / 5 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
3-(2'-Carboxy-biphenyl-4-ylmethyl)-5-isopropyl-2-propyl-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 3: 82 percent / HCl / dioxane / 16 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
3-(2'-Carboxy-biphenyl-4-ylmethyl)-5-isopropenyl-2-propyl-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 2: 92 percent / HCl / dioxane / 16 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 3: 93 percent / 25percent aq. AcOH / 2.5 h / 80 °C 4: 89 percent / LiOH*H2O / dioxane; H2O / 5 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 2: 94 percent / 25percent aq. AcOH / 2.5 h / 80 °C 3: 85 percent / LiOH*H2O / dioxane; H2O / 5 h / Ambient temperature View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
3-(2'-tert-Butoxycarbonyl-biphenyl-4-ylmethyl)-5-isopropyl-2-propyl-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
5-Isopropyl-2-propyl-3-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 3: 93 percent / 25percent aq. AcOH / 2.5 h / 80 °C View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
5-Isopropenyl-2-propyl-3-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h 2: 94 percent / 25percent aq. AcOH / 2.5 h / 80 °C View Scheme |
ethyl 4-isopropenyl-2-propylimidazole-5-carboxylate
5-Isopropyl-2-propyl-3-[2'-(2-trityl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazole-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / H2 / 10percent Pd/C / methanol / 3 h / Ambient temperature 2: 1.) t-BuOK / 1.) DMA, 0 deg C, 10 min, 2.) DMA, RT, 1 h View Scheme |
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