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:77-67-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:77-67-8
Min.Order:1 Gram
Negotiable
Type:Manufacturers
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 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:77-67-8
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:77-67-8
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:77-67-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. A
Cas:77-67-8
Min.Order:1 Kilogram
FOB Price: $200.0 / 300.0
Type:Trading Company
inquiryETHOSUXIMIDE CAS:77-67-8 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,
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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
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
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Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
Type:Lab/Research institutions
inquiryOur 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
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
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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
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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
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Min.Order:10 Gram
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Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
ETHOSUXIMIDE Basic information Product Name: ETHOSUXIMIDE Synonyms: Succinimide, 2-ethyl-2-methyl- (6CI, 7CI, 8CI);α-Ethyl-α-methylsuccinimide;α-Methyl-α-ethylsuccinimide;3-ethyl-3-methy
Cas:77-67-8
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
factory?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
Shandong 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
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
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in
We 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
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 purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:77-67-8
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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
ethosuximide
Conditions | Yield |
---|---|
Stage #1: C14H17NO3 With palladium on activated charcoal; hydrogen Stage #2: With triethylamine; α-bromoacetophenone | 83% |
4-ethyl-1-(4-methoxybenzyl)-4-methylpyrrolidine-2,5-dione
ethosuximide
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In water; acetonitrile for 1h; Ambient temperature; | 47% |
Conditions | Yield |
---|---|
With ammonia | |
With ammonium hydroxide at 200℃; | |
With ammonium hydroxide In water at 190℃; for 1.5h; |
ethosuximide
Conditions | Yield |
---|---|
durch Destillation; |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 1.) MgSO4, 2.) N,N-diethylaniline / 1.) Et2O, 2 h, RT, 2.) toluene, -78 deg C to RT, 24 h 2: N-chlorosuccinimide / 40 deg C, 2 h; 80 deg C, 1 h 3: SiO2, H2O / 1.) 35 deg C, overnight then 60 deg C, 30 min, 2.) benzene, 1 h 4: 58 percent / Raney nickel (W-2) / ethanol / 3 h / Heating 5: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature 6: 47 percent / cerium(IV) ammonium nitrate / acetonitrile; H2O / 1 h / Ambient temperature View Scheme |
4-ethyl-5-hydroxy-1-(4-methoxybenzyl)-4-methylpyrrolidin-2-one
ethosuximide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature 2: 47 percent / cerium(IV) ammonium nitrate / acetonitrile; H2O / 1 h / Ambient temperature View Scheme |
4-ethyl-5-hydroxy-1-(4-methoxybenzyl)-4-methyl-3-(methylthio)pyrrolidin-2-one
ethosuximide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 58 percent / Raney nickel (W-2) / ethanol / 3 h / Heating 2: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature 3: 47 percent / cerium(IV) ammonium nitrate / acetonitrile; H2O / 1 h / Ambient temperature View Scheme |
ethosuximide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: N-chlorosuccinimide / 40 deg C, 2 h; 80 deg C, 1 h 2: SiO2, H2O / 1.) 35 deg C, overnight then 60 deg C, 30 min, 2.) benzene, 1 h 3: 58 percent / Raney nickel (W-2) / ethanol / 3 h / Heating 4: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature 5: 47 percent / cerium(IV) ammonium nitrate / acetonitrile; H2O / 1 h / Ambient temperature View Scheme |
2-Chloro-N-(4-methoxy-benzyl)-N-((E)-2-methyl-but-1-enyl)-2-methylsulfanyl-acetamide
ethosuximide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: SiO2, H2O / 1.) 35 deg C, overnight then 60 deg C, 30 min, 2.) benzene, 1 h 2: 58 percent / Raney nickel (W-2) / ethanol / 3 h / Heating 3: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature 4: 47 percent / cerium(IV) ammonium nitrate / acetonitrile; H2O / 1 h / Ambient temperature View Scheme |
ethosuximide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper (I) acetate; Bathocuproine; oxygen / toluene / 80 °C / 760.05 Torr 2: hydrogen; palladium on activated charcoal View Scheme |
morpholine
ethosuximide
formaldehyd
3-methyl-3-ethyl-1-(morpholin-4-ylmethyl)-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 94% |
In ethanol at 20℃; for 12h; | 82% |
piperidine
ethosuximide
formaldehyd
3-methyl-3-ethyl-1-(piperidin-1-ylmethyl)-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 94% |
ethosuximide
formaldehyd
N-(2-pyridinyl)piperazine
C16H23N5O2
Conditions | Yield |
---|---|
In ethanol at 20℃; for 12h; | 88% |
Conditions | Yield |
---|---|
Stage #1: 1-methyl-piperazine; ethosuximide; formaldehyd In ethanol at 20℃; for 12h; Stage #2: With hydrogenchloride In ethanol | 86% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 12h; | 81% |
Conditions | Yield |
---|---|
Stage #1: ethosuximide; formaldehyd; 1-(o-fluorophenyl)piperazine In ethanol; water at 20℃; Stage #2: With hydrogenchloride In ethanol | 78% |
ethosuximide
formaldehyd
N-(m-chlorophenyl)piperazine
N-[{4-(3-chlorophenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 78% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 78% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 77% |
ethosuximide
formaldehyd
1-(3,4-dichloro)phenylpiperazine
N-[{4-(3,4-dichlorophenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 75% |
ethosuximide
formaldehyd
1-(3-Methylphenyl)piperazine
N-[{4-(3-methylphenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 72% |
ethosuximide
formaldehyd
p-toluidine
3-methyl-3-ethyl-1-{[(4-methylphenyl)amino]methyl}pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 72% |
ethosuximide
formaldehyd
4-phenyl-1-piperazine
N-[(4-phenyl-piperazin-1-yl)-methyl]-3-ethyl-3-methylpyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 70% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 70% |
Conditions | Yield |
---|---|
Stage #1: 1-(2-hydroxyethyl)piperazine; ethosuximide; formaldehyd In ethanol at 20℃; for 12h; Stage #2: With hydrogenchloride In ethanol | 68% |
ethosuximide
formaldehyd
4-(4-chlorophenyl) piperazine
N-[{4-(4-chlorophenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 68% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 12h; | 67% |
Conditions | Yield |
---|---|
Stage #1: ethosuximide; formaldehyd; 1-(2-Methoxyphenyl)piperazine In ethanol; water at 20℃; Stage #2: With hydrogenchloride In ethanol | 66% |
ethosuximide
formaldehyd
4-(3-methoxyphenyl)piperazine
N-[{4-(3-methoxyphenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 65% |
ethosuximide
formaldehyd
1-(o-toluyl)piperazine
N-[{4-(2-methylphenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 64% |
Conditions | Yield |
---|---|
Stage #1: ethosuximide; formaldehyd; 1-phenylmethylpiperazine In ethanol at 20℃; for 12h; Stage #2: With hydrogenchloride In ethanol | 62% |
ethosuximide
formaldehyd
1-(3-Trifluoromethylphenyl)piperazine
N-[{4-(3-trifluoromethylphenyl)-piperazin-1-yl}-methyl]-3-ethyl-3-methyl-pyrrolidine-2,5-dione
Conditions | Yield |
---|---|
In ethanol; water at 20℃; | 61% |
Conditions | Yield |
---|---|
Stage #1: ethosuximide; formaldehyd; 1-(4-Fluorophenyl)piperazine In ethanol; water at 20℃; Stage #2: With hydrogenchloride In ethanol | 58% |
Conditions | Yield |
---|---|
Stage #1: ethosuximide; formaldehyd; N-(o-Chlorophenyl)piperazine In ethanol; water at 20℃; Stage #2: With hydrogenchloride In ethanol | 58% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 53% |
ethosuximide
CpFe(CO)2[η(1)-N(1)-4-iodoacetamidophthalimidato]
(C5H5)Fe(CO)2(C8H3NO2NHC(O)CH2C4H2NO2(CH3)C2H5)
Conditions | Yield |
---|---|
With sodium methylate In methanol Ar-atmosphere; 50°C (2 d); H2O addn. (room temp.), extg. (CH2Cl2), drying (Na2SO4), evapn., ether addn., pptn. on hexane addn. and concg.; elem .anal.; | 51% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 48% |
Conditions | Yield |
---|---|
In ethanol at 70 - 80℃; | 48% |
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