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:22929-52-8
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:22929-52-8
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryHigh quality Dihydrofuran-3(2H)-one Cas 22929-52-8 with favorable price and fast deliverye Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its int
Cas:22929-52-8
Min.Order:10 Kilogram
FOB Price: $10.0
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
1. 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:22929-52-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry1、Our factory passed ISO 9001, ISO 14001, ISO 22000 system certification; HALAL 、KOSHER、FCC AND FDA certificate are available. We can provide customers with better prices, and the supply is stable. 2、We founded in 2004,10% of the staff have more tha
Cas:22929-52-8
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Our 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
Cas:22929-52-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:22929-52-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:22929-52-8
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:22929-52-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:liquid Storage:Store in sealed containers at cool & dry plac
Cas:22929-52-8
Min.Order:100 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:22929-52-8
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. At prese
Cas:22929-52-8
Min.Order:1 Kilogram
FOB Price: $59.0 / 64.0
Type:Trading Company
inquiryDihydrofuran-3(2H)-one CAS:22929-52-8 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 in
Cas:22929-52-8
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:22929-52-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
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. Specification : Dihydrofuran-3(2H)-one CAS No:22
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
Cas:22929-52-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquirydihydrofuran-3(2H)-one 22929-52-8 ADVANTAGE 1.Professional: More than 10 years chemical exporting experience. We have produced chemical more than fifteen years, 95% products are for export . More than 10 years chemical exporting experience. Good an
Cas:22929-52-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
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:22929-52-8
Min.Order:1 Gram
Negotiable
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:22929-52-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryA 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
Cas:22929-52-8
Min.Order:4 Kilogram
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
Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:22929-52-8
Min.Order:100 Gram
Negotiable
Type:Other
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:22929-52-8
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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
Cas:22929-52-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used in organic syn
Product name: Dihydrofuran-3(2H)-One CAS No.:22929-52-8 Molecule Formula:C4H6O2 Molecule Weight:86.09 Purity: 99.0% Package:200kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTING
Cas:22929-52-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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,
Cas:22929-52-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3-Hydroxytetrahydrofuran
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; trichloroisocyanuric acid In dichloromethane at -5 - 20℃; for 1h; Solvent; | 95% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; trichloroisocyanuric acid In dichloromethane at -5 - 20℃; for 1h; Solvent; | 95% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; trichloroisocyanuric acid In dichloromethane at -5 - 20℃; for 1h; Solvent; | 95% |
methyl 4-oxotetrahydrofuran-3-carboxylate
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; for 3h; Reagent/catalyst; Temperature; | 90.7% |
In sulfuric acid | 6.8 g (79%) |
ethyl tetrahydrofuran-3-one 4-carboxylate
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With sulfuric acid at 80℃; for 5h; Reagent/catalyst; | 82.3% |
2,3-dihydro-2H-furan
A
tetrahydrofuran-3-one
RS(SR)-2,3-dibromotetrahydrofuran
Conditions | Yield |
---|---|
With water; oxygen; lithium bromide; copper(ll) bromide In tetrahydrofuran at 25℃; under 760.051 Torr; | A 15% B 75% C 10% |
3-hydroxyfuran
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
Stage #1: 3-hydroxyfuran With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide In dichloromethane; water ice-water bath; Stage #2: With sodium hypochlorite; sodium hydrogencarbonate In dichloromethane; water at 0 - 5℃; for 2.66667h; | 67% |
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide In dichloromethane at 0 - 5℃; for 2.66667h; pH=9.5; | 67% |
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0 - 5℃; for 2.66667h; pH=9.5; | 67% |
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With copper oxide-chromium oxide catalyst at 200 - 250℃; | |
With sodium dichromate; diethyl ether; sulfuric acid |
2,3-dihydro-2H-furan
A
tetrahydrofuran-3-one
B
(2S,3S)-3-chlorotetrahydrofuran-2-ol
Conditions | Yield |
---|---|
With (R)-2,2'-bis[bis(3-methylphenyl)phosphino]-1,1'-binaphthyl; copper dichloride; palladium (II) ion Title compound not separated from byproducts; |
2,5-dihydrofuran
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With dinitrogen monoxide In benzene at 220℃; for 12h; pressure; |
1-butyn-4-ol
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With 5-bromo-2-methyl-pyridine-N-oxide; [BrettPhosAu]NTf2; trifluoroacetic acid In 1,2-dichloro-ethane at 20℃; for 6h; Inert atmosphere; Darkness; | 42 %Spectr. |
tetrahydrofuran-3-one
4-methoxybenzenesulfonyl hydrazide
N'-(dihydrofuran-3(2H)-ylidene)-4-methoxybenzene-sulfonohydrazide
Conditions | Yield |
---|---|
In methanol at 20℃; Schlenk technique; | 100% |
tetrahydrofuran-3-one
toluene-4-sulfonic acid hydrazide
N'-(dihydrofuran-3(2H)-ylidene)-4-methylbenzene-sulfonohydrazide
Conditions | Yield |
---|---|
In methanol at 20℃; Schlenk technique; | 100% |
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 0.75h; | 99% |
Stage #1: tetrahydrofuran-3-one; C26H37FN4O4 With acetic acid In dichloromethane at 20℃; for 0.75h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; |
tetrahydrofuran-3-one
acetylenemagnesium bromide
1-ethynyl-3-oxacyclopentanol
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 20℃; for 0.5h; Inert atmosphere; | 97% |
Stage #1: tetrahydrofuran-3-one; acetylenemagnesium bromide In tetrahydrofuran at 0 - 20℃; Stage #2: With water; ammonium chloride In tetrahydrofuran | 57% |
Conditions | Yield |
---|---|
With sodium methylate In methanol at 20 - 30℃; for 6h; Reagent/catalyst; Temperature; | 96.7% |
tetrahydrofuran-3-one
sodium cyanide
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran-3-one With ammonia; acetic acid In methanol at 20℃; for 0.166667h; Cooling with ice; Stage #2: sodium cyanide In methanol at 20 - 50℃; for 2h; Stage #3: With hydrogenchloride In 1,4-dioxane; dichloromethane at 20℃; for 0.25h; | 96% |
tetrahydrofuran-3-one
tert-Butoxybis(dimethylamino)methane
Conditions | Yield |
---|---|
In toluene at 20℃; for 18h; | 90% |
tetrahydrofuran-3-one
trimethylsilylacetylene
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: tetrahydrofuran-3-one In tetrahydrofuran at -78 - 20℃; for 1.33333h; | 89% |
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: tetrahydrofuran-3-one In tetrahydrofuran at -78 - 20℃; for 1.33333h; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
Stage #1: phenylacetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: tetrahydrofuran-3-one In tetrahydrofuran; hexane at -78 - 20℃; for 2h; | 89% |
tetrahydrofuran-3-one
N,N-dimethylammonium chloride
potassium cyanide
3-cyano-3-dimethylamino-tetrahydrofurane
Conditions | Yield |
---|---|
In water Ambient temperature; | 88% |
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran-3-one; ethyl 1-(6-(3,5-difluoro-2-((2-methyl-4-(piperidin-4-yl)benzyl)oxy)phenyl)pyridin-2-yl)piperidine-4-carboxylate In methanol at 25℃; for 3h; Molecular sieve; Stage #2: With sodium cyanoborohydride In methanol at 50℃; for 12h; | 88% |
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran-3-one; 1,1,1,3,3,3-hexafluoropropan-2-yl 1-(5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carbonyl)-1,8-diazaspiro[4.5]decane-8-carboxylate With triethylamine In 1,2-dichloro-ethane at 20℃; for 1.5h; Stage #2: With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃; for 4h; | 86% |
Conditions | Yield |
---|---|
With triethylamine In ethanol at 20℃; for 18h; | 85.9% |
tetrahydrofuran-3-one
methanesulfonic acid
homoalylic alcohol
methanesulfonic acid 2,6-dioxaspiro[4.5]dec-9-yl ester
Conditions | Yield |
---|---|
In dichloromethane at 23℃; Prins cyclization; | 85% |
In dichloromethane at 25℃; for 16h; |
tetrahydrofuran-3-one
Conditions | Yield |
---|---|
With sodium cyanoborohydride; acetic acid In 1,2-dichloro-ethane at 20℃; for 6h; | 85% |
Conditions | Yield |
---|---|
With sodium persulfate; [4,4′-bis(1,1-dimethylethyl)-2,2′-bipyridine-N1,N1′]bis{3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-κN]phenyl-κC}iridium(III) hexafluorophosphate; trifluoroacetic acid In water at 23℃; for 24h; Minisci Aromatic Substitution; Inert atmosphere; Irradiation; regioselective reaction; | 83% |
Conditions | Yield |
---|---|
Stage #1: tetrahydrofuran-3-one; ethylamine With sodium tetrahydroborate In tetrahydrofuran; methanol at 20℃; for 16h; Molecular sieve; Stage #2: With methanol; sodium tetrahydroborate In tetrahydrofuran at 0 - 20℃; for 2h; | 83% |
tetrahydrofuran-3-one
1-bromo-4-methoxy-benzene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methoxy-benzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.416667h; Inert atmosphere; Stage #2: tetrahydrofuran-3-one In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Inert atmosphere; | 82% |
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