Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

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

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome 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

High quality Methyl 4-Oxotetrahydrothiophene-3-Carboxylate supplier in China

Cas:2689-68-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Henan 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

3-Thiophenecarboxylicacid, tetrahydro-4-oxo-, methyl ester

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

Methyl 4-Oxotetrahydrothiophene-3-Carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE

Cas:2689-68-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan 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

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We 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

METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Methyl-4-oxo-tetrahydrothiophene-3-carboxylate cas no. 2689-68-1 98%

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

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

methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Other

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Methyl 4-Oxotetrahydrothiophene-3-Carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice.pls contact with us freely for getting detailed product spec

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex 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

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We 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:Chemical intermediate

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Methyl 4-oxotetrahydrothiophene-3-carboxylate cas 2689-68-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Methyl 4-oxotetrahydrothiophene-3-carboxylate cas 2689-68-1

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:250mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po

Tetrahydro-4-oxo-3-thiophenecarboxylic Acid Methyl Ester

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan 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

Methyl 4-oxotetrahydrothiophene-3-carboxylate 2689-68-1

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Scochem Technology Co., Ltd.

High quality suppliers Application:healing drugs

methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Methyl4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Unipharm pharmaceutical industry Co., Ltd

Product quality is guaranteed , Provide HNMR \ GC\ HPLC data Appearance:white to light yellow powder Storage:Sealed in dry,Room Temperature Package:25 kg cardboard barrels Application:lab or industry material Transportation:By air Po

METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE

Cas:2689-68-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Hebei youze Biotechnology Co.,Ltd

Our Advantage 1.Best quality with competitive price. 2.Quick shipping,delivery on time. 3.We have a pharmaceutical raw material production plant and a reagent R&D center. 4.Support multiple trading methods and payment.We support wire transfer

Factory direct sale Top quality 4-Carbomethoxytetrahydro-3-thiophenone CAS.2689-68-1

Cas:2689-68-1

Min.Order:1 Kilogram

FOB Price: $6.8 / 8.6

Type:Trading Company

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem 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

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

ENAO Chemical Co, Limited

For quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen BaiFuchem Co.,Ltd

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

Hot Sale Methyl 4-Oxotetrahydrothiophene-3-Carboxylate

Cas:2689-68-1

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Yinghao Pharm Co.,Ltd.

Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

Methyl 4-oxotetrahydrothiophene-3-carboxylate

Cas:2689-68-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

C6H7O3S(1-)*Li(1+)

C6H7O3S(1-)*Li(1+)

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With hydrogenchloride In water pH=Ca. 5;82%
3-Methoxycarbonylthiopropanoic acid methyl ester

3-Methoxycarbonylthiopropanoic acid methyl ester

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With lithium methanolate; acetic acid In methanol; hexane; water81%
dimethyl-3-thiaadipate
7400-45-5

dimethyl-3-thiaadipate

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With pyridine In toluene at 80℃; for 2.5h;80%
With lithium methanolate In methanol; toluene at 70 - 110℃;53.7%
Stage #1: dimethyl-3-thiaadipate With sodium methylate In tetrahydrofuran at 20℃; for 2.08333h; Reflux;
Stage #2: With hydrogenchloride In tetrahydrofuran; water
39%
Methyl thioglycolate
2365-48-2

Methyl thioglycolate

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

A

methyl tetrahydrothiophen-3-one-2-carboxylate
2689-69-2

methyl tetrahydrothiophen-3-one-2-carboxylate

B

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With sodium hydride at -40℃; for 5h;A 57%
B 42%
With sodium hydride at -40℃; for 5h; Product distribution; var.: temp.: 0 degC;A 57%
B 42%
dimethyl-3-thiaadipate
7400-45-5

dimethyl-3-thiaadipate

A

methyl tetrahydrothiophen-3-one-2-carboxylate
2689-69-2

methyl tetrahydrothiophen-3-one-2-carboxylate

B

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With sodium methylate In methanol for 0.666667h; Heating / reflux;A n/a
B 54%
With methanol; sodium for 0.666667h; Heating / reflux;A n/a
B 54%
With sodium methylate In diethyl ether for 3h; Heating;A 44%
B 18%
With lithium methanolate In toluene at 70 - 110℃; for 18.5h;A n/a
B 33%
With sodium hydride In 1,2-dimethoxyethane at -40℃; Inert atmosphere;
acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
Stage #1: Methyl thioglycolate With sodium methylate In methanol at 20℃; for 3h;
Stage #2: acrylic acid methyl ester In dimethyl sulfoxide at 0 - 20℃; for 18h; Michael addition; Dieckmann cyclization;
Stage #3: With hydrogenchloride In water; dimethyl sulfoxide
48%
dimethyl thiodiglycolate
16002-29-2

dimethyl thiodiglycolate

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; mineral oil for 5h; Reflux;35%
3-butoxycarbonylmethylsulfanyl-propionic acid methyl ester

3-butoxycarbonylmethylsulfanyl-propionic acid methyl ester

A

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

B

3-oxo-tetrahydro-thiophene-2-carboxylic acid butyl ester

3-oxo-tetrahydro-thiophene-2-carboxylic acid butyl ester

Conditions
ConditionsYield
With sodium; benzene
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

4-hydroxyimino-tetrahydro-thiophene-3-carboxylic acid methyl ester
58230-46-9

4-hydroxyimino-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With hydroxylamine hydrochloride; barium carbonate In methanol Heating / reflux;98%
With hydroxylamine hydrochloride; barium carbonate In methanol for 12h; Reflux;98%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

methyl 2,5-dihydro-4-methoxythiophene-3-carboxylate
22097-91-2

methyl 2,5-dihydro-4-methoxythiophene-3-carboxylate

Conditions
ConditionsYield
97%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

methyl 2,5-dihydro-4-(N'-tosylhydrazino)thiophene-3-carboxylate
152507-80-7

methyl 2,5-dihydro-4-(N'-tosylhydrazino)thiophene-3-carboxylate

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 0.5h; Ambient temperature;95%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

3-methylthio-5-methylamino-1H-1,2,4-triazole
99492-88-3

3-methylthio-5-methylamino-1H-1,2,4-triazole

2-methylthio-9-methyl-5,7-dihydrothieno<3,4-e>-1,2,4-triazolo<1,5-a>pyrimidin-8(9H)-one
119699-86-4

2-methylthio-9-methyl-5,7-dihydrothieno<3,4-e>-1,2,4-triazolo<1,5-a>pyrimidin-8(9H)-one

Conditions
ConditionsYield
at 160℃; for 0.0833333h;93%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

methyl 4-aminothiophene-3-carboxylate
69363-85-5

methyl 4-aminothiophene-3-carboxylate

Conditions
ConditionsYield
With hydroxylamine hydrochloride In methanol for 1h; Reflux;93%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

α-bromoacetophenone
70-11-1

α-bromoacetophenone

methyl 4-oxo-3-(2-oxo-2-phenylethyl)tetrahydrothiophene-3-carboxylate

methyl 4-oxo-3-(2-oxo-2-phenylethyl)tetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone at 65℃; for 1h;92%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

methyl 2,5-dihydro-4-(p-toluenesulfonato)thiophene-3-carboxylate
67525-75-1

methyl 2,5-dihydro-4-(p-toluenesulfonato)thiophene-3-carboxylate

Conditions
ConditionsYield
With 4-methyl-morpholine In dichloromethane for 1.5h; Cooling with ice;88.5%
With 4-methyl-morpholine In dichloromethane at 10℃; for 1.5h;85%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

methyl vinyl ketone
78-94-4

methyl vinyl ketone

methyl 4-oxo-3-(3-oxobutyl)tetrahydrothiophene-3-carboxylate
85696-91-9

methyl 4-oxo-3-(3-oxobutyl)tetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
Stage #1: methyl 4-oxotetrahydrothiophene-3-carboxylate With iron(III) chloride hexahydrate In dichloromethane at 23℃; for 0.0833333h;
Stage #2: methyl vinyl ketone In dichloromethane at 20℃; for 48h; Michael Addition;
88%
With triphenylphosphine In acetonitrile for 5h; Ambient temperature;73%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

3-(2-aminoanilino)-4-(carbomethoxy)-2,5-dihydrothiophene
61325-23-3

3-(2-aminoanilino)-4-(carbomethoxy)-2,5-dihydrothiophene

Conditions
ConditionsYield
With acetic acid In ethanol for 4h; Heating;86%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

4-nitrobenzyl halide

4-nitrobenzyl halide

3-(4-Nitro-benzyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
84782-87-6

3-(4-Nitro-benzyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;86%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

p-NO2C6H4CH2-halide

p-NO2C6H4CH2-halide

3-(4-Nitro-benzyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
84782-87-6

3-(4-Nitro-benzyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;86%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

4-hydroxythiophene-3-carboxylic acid methyl ester
65369-21-3

4-hydroxythiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With dihydrogen peroxide In methanol for 2h;85%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

EtOCOCH2-halide

EtOCOCH2-halide

3-Ethoxycarbonylmethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
84790-04-5

3-Ethoxycarbonylmethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;85%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

2-ethylisothiourea hydrobromide
1071-37-0

2-ethylisothiourea hydrobromide

5H,7H-2-ethylthiodihydrothieno<3,4-d>pyrimidin-4-one
5719-20-0

5H,7H-2-ethylthiodihydrothieno<3,4-d>pyrimidin-4-one

Conditions
ConditionsYield
With sodium carbonate In water at 25℃; for 18h; Darkness;84.6%
With sodium carbonate for 12h; Ambient temperature;83%
With sodium carbonate In water at 20℃; Darkness;
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

4-methoxy-2-nitroaniline
96-96-8

4-methoxy-2-nitroaniline

4-(4-Methoxy-2-nitro-phenylamino)-2,5-dihydro-thiophene-3-carboxylic acid methyl ester

4-(4-Methoxy-2-nitro-phenylamino)-2,5-dihydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene for 4h; Heating;84%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

4-(tert-Butyl-dimethyl-silanyloxy)-2,5-dihydro-thiophene-3-carboxylic acid methyl ester
146496-36-8

4-(tert-Butyl-dimethyl-silanyloxy)-2,5-dihydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With triethylamine82%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

CH2=CHCH2-halide

CH2=CHCH2-halide

methyl 3-allyl-4-oxotetrahydrothiophene-3-carboxylate
84782-86-5

methyl 3-allyl-4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;81%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

4-ethoxycarbonyl-3-methyl-1-phenylaminocarbonyl-1,2-diaza-1,3-butadiene

4-ethoxycarbonyl-3-methyl-1-phenylaminocarbonyl-1,2-diaza-1,3-butadiene

3-ethyl 3a-methyl 1-[(anilinocarbonyl)amino]-6a-hydroxy-2-methyl-6,6a-dihydro-1H-thieno[3,4-b]pyrrole-3,3a(4H)-dicarboxylate
1311296-62-4

3-ethyl 3a-methyl 1-[(anilinocarbonyl)amino]-6a-hydroxy-2-methyl-6,6a-dihydro-1H-thieno[3,4-b]pyrrole-3,3a(4H)-dicarboxylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 5.5h;81%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

benzyl halide

benzyl halide

methyl 3-benzyl-4-oxotetrahydrothiophene-3-carboxylate
84782-84-3

methyl 3-benzyl-4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;80%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

PhCH2-halide

PhCH2-halide

methyl 3-benzyl-4-oxotetrahydrothiophene-3-carboxylate
84782-84-3

methyl 3-benzyl-4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;80%
sodium cyanide
773837-37-9

sodium cyanide

methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

3-cyano-3-hydroxy-tetrahydrothiophene-4-carboxylic acid methyl ester
155251-30-2

3-cyano-3-hydroxy-tetrahydrothiophene-4-carboxylic acid methyl ester

Conditions
ConditionsYield
With sodium hydrogensulfite In methanol; water at 20℃; for 16h; pH=7 - 8; Time;80%
Stage #1: sodium cyanide With sodium hydrogensulfite In water Cooling with ice;
Stage #2: methyl 4-oxotetrahydrothiophene-3-carboxylate In methanol; water at 20℃; for 16h;
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

5-amino-1-(2-amino-4-trifluoromethylphenyl)-3-methylthio-1H-1,2,4-triazole
88722-50-3

5-amino-1-(2-amino-4-trifluoromethylphenyl)-3-methylthio-1H-1,2,4-triazole

4,5-dihydro-2-methylthio-8-trifluoromethyl-1,2,4-triazolo<1,5-a>-1,3,5-benzotriazepin-5(6H)-one
120929-95-5

4,5-dihydro-2-methylthio-8-trifluoromethyl-1,2,4-triazolo<1,5-a>-1,3,5-benzotriazepin-5(6H)-one

Conditions
ConditionsYield
for 3h; Product distribution; Mechanism; Heating;79%
for 3h; Heating;79%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

HCCCH2-halide

HCCCH2-halide

methyl 4-oxo-3-(propargyl)tetrahydrothiophene-3-carboxylate
84782-85-4

methyl 4-oxo-3-(propargyl)tetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;79%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

EtOCOCH=C(OEt)CH2-halide

EtOCOCH=C(OEt)CH2-halide

3-((Z)-2-Ethoxy-3-ethoxycarbonyl-allyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
84782-88-7

3-((Z)-2-Ethoxy-3-ethoxycarbonyl-allyl)-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;79%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

prop-2-enyl halide

prop-2-enyl halide

methyl 3-allyl-4-oxotetrahydrothiophene-3-carboxylate
84782-86-5

methyl 3-allyl-4-oxotetrahydrothiophene-3-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;78%
methyl 4-oxotetrahydrothiophene-3-carboxylate
2689-68-1

methyl 4-oxotetrahydrothiophene-3-carboxylate

ethoxycarbonylmethyl halide

ethoxycarbonylmethyl halide

3-Ethoxycarbonylmethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
84790-04-5

3-Ethoxycarbonylmethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;78%

Hot Products

Post buying leads

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