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:24922-00-7
Min.Order:1 Kilogram
FOB Price: $3.0
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:24922-00-7
Min.Order:1 Kilogram
FOB Price: $8.0 / 15.0
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:24922-00-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:24922-00-7
Min.Order:0
Negotiable
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:24922-00-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:24922-00-7
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryZhenyu 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
Cas:24922-00-7
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquirySAGECHEM 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 custom synthe
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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
Cas:24922-00-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Trading Company
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:Chemical intermediate
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Trading Company
inquiry3-Cyclopentyl-3-oxopropionic acid ethyl esterAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Other
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Other
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryOur 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
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
Cas:24922-00-7
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry1. Quality: High purity, strict quality control, 10 years experience in chemical industry. 2. Price: Moderate price, more QTY more discount. 3. MOQ: Sample order is welcome to test quality. 4. Shipping time: In Stock, can be shipp
Cas:24922-00-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryYinghao 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
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Other
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 innov
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryShanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 3-CYCLOPENTYL-3-OXO-PROPIONIC ACID ETHYL ESTER, CAS:24922-00-7 with the most competit
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryComprehensive range product, High quality, Quick shippment, COA with spectras Package:1g Application:pharmaceutical industry, food industry, research
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryDebyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryUsed in medicine Application:Used in medicine
Cas:24922-00-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStorage:Dark storage Package:1g,10g,50g 100g or kg Application:Pharmaceutical intermediates
6-bicyclo<3.1.0>hexan-6-ol
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
In neat (no solvent) at 110℃; | 99% |
3-cyclopentyl-2-diazo-3-hydroxy-propionic acid ethyl ester
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
With copper(II) sulfate at 20℃; for 3h; | 91% |
Cyclopentanecarboxylic acid chloride
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
Stage #1: hydrogen ethyl malonate With [2,2]bipyridinyl; n-butyllithium In hexanes at -65 - -55℃; Stage #2: Cyclopentanecarboxylic acid chloride In hexanes at 20℃; | 89% |
Multi-step reaction with 2 steps 1: pyridine / CH2Cl2 / 2 h / 0 - 20 °C 2: toluene / 24 h / 80 °C View Scheme |
Cyclopentanecarboxylic acid chloride
ethyl potassium malonate
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
With triethylamine; magnesium chloride In acetonitrile at 0℃; for 4h; | 77% |
6-bicyclo<3.1.0>hexan-6-ol
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
at 300℃; for 1h; | 52% |
2-cyclopentanecarbonyl-3-oxo-butyric acid ethyl ester
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
With diethyl ether; ammonia |
1-cyclopentylethanone
Diethyl carbonate
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
With sodium amide |
ethanol
5-(cyclopentanecarbonyl)2,2-dimethyl-1,3-dioxane-4,6-dione
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
In toluene at 80℃; for 24h; Yield given; |
diethyl malonate
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) Na / 1. benzene, reflux, 8 h; 2. 2h at 0 deg C, then 6 h room temp. 2: 52 percent / 1 h / 300 °C View Scheme |
Cyclopentanecarboxylic acid chloride
ethyl acetate
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
Stage #1: ethyl acetate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Inert atmosphere; Stage #2: Cyclopentanecarboxylic acid chloride In tetrahydrofuran; hexane at -78℃; for 0.0833333h; |
Cyclopentanecarboxylic acid chloride
ethyl acetate
A
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
Stage #1: ethyl acetate With potassium hexamethylsilazane In tetrahydrofuran at -78℃; for 0.25h; Stage #2: Cyclopentanecarboxylic acid chloride In tetrahydrofuran at -78℃; for 2h; Overall yield = 643 mg; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0 - 20 °C 2.1: potassium hexamethylsilazane / tetrahydrofuran / 0.25 h / -78 °C 2.2: 2 h / -78 °C View Scheme |
ethyl 3-cyclopentyl-3-oxopropionate
guanidine hydrochloride
Conditions | Yield |
---|---|
With potassium tert-butylate In methanol at 23 - 60℃; | 88% |
ethyl 3-cyclopentyl-3-oxopropionate
guanidine hydrochloride
2-amino-6-cyclopentyl-3H-pyrimidin-4-one
Conditions | Yield |
---|---|
Stage #1: ethyl 3-cyclopentyl-3-oxopropionate; guanidine hydrochloride With potassium tert-butylate In methanol at 20 - 60℃; Stage #2: With hydrogenchloride In methanol; water pH=5; | 87% |
With potassium tert-butylate In methanol at 23 - 60℃; |
2,6-di-tert-butyl-4-(4-methoxybenzylidene)-cyclohexa-2,5-dienone
ethyl 3-cyclopentyl-3-oxopropionate
Conditions | Yield |
---|---|
With C51H62N2O2; copper(II) bis(trifluoromethanesulfonate) In tetrahydrofuran at -15℃; for 18h; enantioselective reaction; | 86% |
ethyl 3-cyclopentyl-3-oxopropionate
3-cyclopentyl-2-methoxy-3-oxo-propionic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: ethyl 3-cyclopentyl-3-oxopropionate With [bis(acetoxy)iodo]benzene; boron trifluoride diethyl etherate In methanol at 20℃; Stage #2: With water; sodium hydrogencarbonate In dichloromethane | 43% |
ethyl 3-cyclopentyl-3-oxopropionate
acetic acid
2-amino-1-cyclopentyl-ethanone
Conditions | Yield |
---|---|
With sodium nitrite Behandeln des Reaktionsprodukts mit Zink und Acetanhydrid unter Zusatz von Eis und Erhitzen des danach isolierten Reaktionsprodukts mit wss. Salzsaeure; |
ethyl 3-cyclopentyl-3-oxopropionate
thiourea
Conditions | Yield |
---|---|
With ethanol; sodium ethanolate |
ethyl 3-cyclopentyl-3-oxopropionate
A
5-cyclopentylisoxazol-3-ol
B
3-cyclopentyl-2H-isoxazol-5-one
Conditions | Yield |
---|---|
(i) NH2OH*HCl, aq. NaOH, (ii) aq. HCl; Multistep reaction; |
ethyl 3-cyclopentyl-3-oxopropionate
3-cyclopentyl-2H-isoxazol-5-one
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride |
ethyl 3-cyclopentyl-3-oxopropionate
ethyl bromoacetate
diethyl 2-(cyclopentanecarbonyl)succinate
Conditions | Yield |
---|---|
With sodium In ethanol |
ethyl 3-cyclopentyl-3-oxopropionate
4-methoxybenzoic acid hydrazide
Conditions | Yield |
---|---|
In isopropyl alcohol for 0.5h; Heating; |
2,6-dichlorobenzohydroximoyl chloride
ethyl 3-cyclopentyl-3-oxopropionate
ethyl 5-cyclopentyl-3-(2,6-dichlorophenyl)-4-isoxazolecarboxylate
Conditions | Yield |
---|---|
With sodium ethanolate In tetrahydrofuran; ethanol at 0 - 20℃; |
ethyl 3-cyclopentyl-3-oxopropionate
4-cyclopentyl-4-oxobutanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Na / ethanol 2: aq. HCl View Scheme |
ethyl 3-cyclopentyl-3-oxopropionate
3-cyclopentyl-5-methoxy-isoxazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NH2OH*HCl View Scheme |
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