bulk?production Application:Pharmaceutical intermediates
Cas:766-36-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name : 3-Ethyl-4-methyl-3-pyrrolin-2-one CAS No. : 766-36-9 Formula: C7H11NO Molecular Weight: 125.1683 Assay: 99.0%min Appearance: White crystalline powder Application: An intermediate for the manufactur
Cas:766-36-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryDayangchem'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:766-36-9
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:766-36-9
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryProduct Description
Cas:766-36-9
Min.Order:1 Kilogram
FOB Price: $5.0 / 30.0
Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:766-36-9
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Light yellow or white crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmac
Cas:766-36-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:766-36-9
Min.Order:1
Negotiable
Type:Other
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:766-36-9
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry3-Ethyl-4-methyl-3-pyrrolin-2-one CAS 766-36-9 3-Ethyl-4-methyl-2-oxo-3-pyrroline EMPO CAS no 766-36-9 2H-Pyrrol-2-one,3-ethyl-1,5-dihydro-4-methyl- 3-Ethyl-4-methyl-3-pyrrolin-2-one CAS 766-36-9 2H-Pyrrol-2-one,3-ethyl-1,5-dihydro-4-methyl- IN
Cas:766-36-9
Min.Order:5 Kiloliter
FOB Price: $3.5 / 5.0
Type:Manufacturers
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:766-36-9
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry3-Ethyl-4-methyl-3-pyrrolin-2-one Basic information Product Name: 3-Ethyl-4-methyl-3-pyrrolin-2-one Synonyms: 3-ETHYL-1,5-DIHYDRO-4-METHYL-2H-PYRROL-2-ONE;3-ETHYL-4-METHYL-3-PYROLIN-2-ON
Cas:766-36-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:766-36-9
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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:766-36-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryChemical Name 3-Ethyl-4-methyl-3-pyrrolin-2-one CAS Number 766-36-9 Packing 25kg/drum Capacity 20mt/Y
Cas:766-36-9
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryAppearance:light yellow or white crystalline powder Storage:Room temperature Package:25kg/drum Application:Glimepiride Intermediate Transportation:Express/Sea/Air Port:Any port in china
Cas:766-36-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta
Cas:766-36-9
Min.Order:10 Gram
Negotiable
Type:Other
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:766-36-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3-Ethyl-4-methyl-3-pyrrolin-2-one CAS:766-36-9 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 o
Cas:766-36-9
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:766-36-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,
Cas:766-36-9
Min.Order:20 Metric Ton
Negotiable
Type:Trading Company
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
Cas:766-36-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:766-36-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
We are concentrating on APIs and pharmaceutical intermediates. With in depth knowledge and understanding in this industry, we are indulged in supplying a wide assortments of pharmaceutical intermediates from Wuhan, Hubei, China. It is made obtain
Cas:766-36-9
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Glimepiride intermediate Transportation:Common products:Sea/Air/Courier Dangerous Chem:Sea
Cas:766-36-9
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:766-36-9
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
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
Cas:766-36-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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:766-36-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:766-36-9
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry3-ethyl-4-methyl-5-p-toluenesulfonyl-3-pyrrolin-2-one
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol | 95% |
With sodium tetrahydroborate | 76% |
1-acetyl-3-ethyl-4-methyl-1,5-dihydro-pyrrol-2-one
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With water; sodium carbonate Heating; | 90% |
With water; sodium carbonate | |
With hydrogenchloride; methanol |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In toluene at 150℃; for 0.75h; Temperature; Time; Microwave irradiation; Sealed tube; | 86% |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With methoxybenzene; trifluoroacetic acid at 80℃; for 3h; | 81% |
With ammonium cerium (IV) nitrate In water; acetonitrile at 20℃; for 2h; | 80% |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 32h; Heating; | 75.7% |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane; water; ethyl acetate at 0 - 35℃; for 2h; | 75% |
3-ethyl-2-formyl-4-methylpyrrole
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydrogencarbonate In methanol at 20℃; | 67% |
3-ethyl-2-methoxy-4-methyl-pyrrole
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; methanol |
4-ethyl-5-bromo-3-methyl-pyrrole-2-carboxylic acid
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; water | |
Multi-step reaction with 2 steps 1: aqueous hydrochloric acid 2: hydrogen chloride; methanol View Scheme |
3-ethyl-2-formyl-4-methylpyrrole
A
4-ethyl-3-methyl-1H-pyrrol-2(5H)-one
B
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With pyridine; dihydrogen peroxide at 50 - 60℃; |
ethyl-α-ethylacetoacetate cyanohydrin
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
With hydrogen; acetic anhydride; sodium carbonate; T-1 Raney Nickel 1.) EtOH, 33 deg C, 50 psi, 12 h, 2.) reflux, 4 h; Yield given. Multistep reaction; | |
Multi-step reaction with 2 steps 1: 84 percent / H2 / Raney Ni / 20 °C / 2585.74 Torr 2: 75.7 percent / KOH / methanol / 32 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 15 percent / H2; Ac2O / Ra-Ni / 40 °C / 3800 Torr 2: 90 percent / Na2CO3; H2O / Heating View Scheme | |
Multi-step reaction with 2 steps 1: Raney nickel; acetic acid / 100 °C / 80905.8 - 95616 Torr / Hydrogenation.Erhitzen de Reaktionsprodukts mit Acetanhydrid 2: methanol; hydrochloric acid View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
pyridine
3-ethyl-2-formyl-4-methylpyrrole
water
dihydrogen peroxide
A
4-ethyl-3-methyl-1H-pyrrol-2(5H)-one
B
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
at 50 - 60℃; |
3-ethyl-N-methoxy-N-methyl-4-methylpyrrole-2-carboxamide
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 65 percent / LiAlH4 / tetrahydrofuran / 0 °C 2: 67 percent / NaHCO3; aq. H2O2 / methanol / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 80 percent / dimethylformamide / 0 - 5 °C 2: 15 percent / H2; Ac2O / Ra-Ni / 40 °C / 3800 Torr 3: 90 percent / Na2CO3; H2O / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 1.) NaHSO3 / 2.) from 0 deg C to RT, 3 h 2: 1.) H2, Ac2O, 2.) aq. Na2CO3 / 1.) T-1 Raney nickel / 1.) EtOH, 33 deg C, 50 psi, 12 h, 2.) reflux, 4 h View Scheme |
3-nitropentan-2-ol acetate
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 53 percent / guanidine / propan-2-ol; tetrahydrofuran / 1 h 2: 97 percent / Br2 / CH2Cl2 / 1 h / 0 °C 3: 81 percent / aq. TFA 4: 95 percent / NaBH4 / ethanol View Scheme |
4-ethyl-3-methyl-2-(p-toluenesulfonyl)-1H-pyrrole
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 97 percent / Br2 / CH2Cl2 / 1 h / 0 °C 2: 81 percent / aq. TFA 3: 95 percent / NaBH4 / ethanol View Scheme | |
Multi-step reaction with 3 steps 1: phenyltrimethylammonium tribromide / dichloromethane 2: trifluoroacetic acid / water 3: sodium tetrahydroborate View Scheme |
2-bromo-3-ethyl-4-methyl-5-p-toluenesulfonyl-pyrrole
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 81 percent / aq. TFA 2: 95 percent / NaBH4 / ethanol View Scheme | |
Multi-step reaction with 2 steps 1: trifluoroacetic acid / water 2: sodium tetrahydroborate View Scheme |
4-ethyl-3-methyl-pyrrole-2-carboxylic acid
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; bromine 2: aqueous hydrochloric acid 3: hydrogen chloride; methanol View Scheme | |
Multi-step reaction with 2 steps 1: acetic acid; bromine 2: hydrochloric acid; water View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 1.2: 0 - 20 °C 2.1: ammonium cerium (IV) nitrate / water; acetonitrile / 2 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 1.2: 3 h / 0 °C 2.1: trifluoroacetic acid; methoxybenzene / 3 h / 80 °C View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; titanium(IV)isopropoxide / toluene / 12 h / 80 °C / Inert atmosphere 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 2.2: 0 - 20 °C 3.1: ammonium cerium (IV) nitrate / water; acetonitrile / 2 h / 20 °C View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: copper dichloride; palladium dichloride / N,N-dimethyl-formamide; water / 8 h / 95 °C 2.1: sodium chloride / water; dimethyl sulfoxide / 12 h / 120 - 130 °C 3.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 3.2: 0 - 20 °C 4.1: ammonium cerium (IV) nitrate / water; acetonitrile / 2 h / 20 °C View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium chloride / water; dimethyl sulfoxide / 12 h / 120 - 130 °C 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 2.2: 0 - 20 °C 3.1: ammonium cerium (IV) nitrate / water; acetonitrile / 2 h / 20 °C View Scheme |
5-hydroxy-4-methyl-5H-furan-2-one
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: isopropyl alcohol / 1 h / 40 °C 1.2: 1.5 h / 0 - 25 °C 1.3: 16 h / 50 °C / pH 7-8 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 2.2: 3 h / 0 °C 3.1: trifluoroacetic acid; methoxybenzene / 3 h / 80 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: isopropyl alcohol / 1 h / 40 °C 1.2: 1.5 h / 0 - 25 °C 1.3: 16 h / 50 °C / pH 7-8 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C 2.2: 3 h / 0 °C 3.1: trifluorormethanesulfonic acid / toluene / 0.75 h / 150 °C / Microwave irradiation; Sealed tube View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride / water / 4 h / 15 - 35 °C 2: dmap / dichloromethane / 10 h / 0 - 30 °C 3: sodium hydroxide / dimethyl sulfoxide / 0.5 h / 15 - 35 °C 4: hydrogenchloride / water; ethyl acetate; 1,4-dioxane / 2 h / 0 - 35 °C View Scheme |
3-ethyl-4-methyl-3-pyrrolin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dmap / dichloromethane / 10 h / 0 - 30 °C 2: sodium hydroxide / dimethyl sulfoxide / 0.5 h / 15 - 35 °C 3: hydrogenchloride / water; ethyl acetate; 1,4-dioxane / 2 h / 0 - 35 °C View Scheme |
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