Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing company. In the twelve years history, it invested two pharmaceutical raw material production plants, one researching company, and several
Cas:1830-54-2
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inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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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
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inquiryCAS number: 1830-54-2 EINECS number: 217-385-8 Formula: C7H10O5 Molecular weight: 174.1513 Density: 1.175 g/cm3 Boiling point: 262.1 ° C at 760 mmHg Flash point: 86.8 ° C Water-soluble: approx. 120 g/L (20 °C) The st
Cas:1830-54-2
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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
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Cas:1830-54-2
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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:1830-54-2
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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
Cas:1830-54-2
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1352.html Product Name Dimethyl 1,3-acetonedicarboxylate
Cas:1830-54-2
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inquiryTIANFUCHEM--1830-54-2--Dimethyl 1,3-acetonedicarboxylate in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busin
Cas:1830-54-2
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inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:1830-54-2
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inquiryOur 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
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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:1830-54-2
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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 email in t
Cas:1830-54-2
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inquiryEnglish name Dimethyl 1,3-acetonedicarboxylate CAS RN 1830-54-2 EINECS 217-385-8 Molecular formula C7H10O5 Molecular weight 174.1513 Appearance:Colorless liquid Storage: Preserve in we
Cas:1830-54-2
Min.Order:1 Kilogram
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Type:Other
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 or off-white powder Storage:Store in sealed containers
Cas:1830-54-2
Min.Order:100 Gram
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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
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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:1830-54-2
Min.Order:10 Kilogram
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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 present
Cas:1830-54-2
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inquiryBeluga chemical professional supply High quality Dimethyl 3-oxoglutarate CAS 1830-54-2 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made i
Cas:1830-54-2
Min.Order:1 Gram
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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
Cas:1830-54-2
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FOB Price: $80.0 / 100.0
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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:1830-54-2
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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
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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
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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:1830-54-2
Min.Order:4 Kilogram
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inquiryadvantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging
Cas:1830-54-2
Min.Order:1 Gram
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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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:1830-54-2
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inquiryMalonic acid monomethyl ester
3-oxopentanedioic acid dimethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; 1,1'-carbonyldiimidazole In tetrahydrofuran; ethyl acetate | 94.3% |
With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide Yield given; |
methanol
citric acid
A
3-oxopentanedioic acid dimethyl ester
B
dimethyl 2-methoxypropene-1,3-dicarboxylate
C
trimethyl aconitate
D
trimethyl citrate
E
acetoacetic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: citric acid With chlorosulfonic acid In dichloromethane at 10 - 15℃; for 5 - 6h; Stage #2: methanol In dichloromethane at 3 - 35℃; for 2h; Conversion of starting material; | A 87.3% B n/a C n/a D n/a E n/a |
Conditions | Yield |
---|---|
With hydrogenchloride; sulfuric acid; sodium chloride at 36℃; for 3.5h; | 70.3% |
With hydrogenchloride | |
With sulfuric acid | |
With fuming sulphuric acid; citric acid |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide Behandeln des Reaktionsgemisches mit Methanol.; |
acetoacetic acid methyl ester
carbonic acid dimethyl ester
3-oxopentanedioic acid dimethyl ester
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; hexane at -45℃; 1.) 30 min, 2.) 90 min; |
Conditions | Yield |
---|---|
With sulfuric acid 1.) 20-25 deg C, 3 h; 45 deg C, 6 h, 2.) 35-40 deg C, 1 h; Yield given. Multistep reaction; |
3-oxopentanedioic acid dimethyl ester
Conditions | Yield |
---|---|
With chromium(VI) oxide; sulfuric acid; toluene at 65℃; |
3-oxopentanedioic acid dimethyl ester
Conditions | Yield |
---|---|
With sulfur In methanol for 2h; Heating / reflux; Industry scale; |
3-oxopentanedioic acid dimethyl ester
methyl iodide
dimethyl 1,3-dimethyl-1,3-acetonedicarboxylate
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran at 45 - 60℃; for 1h; | 100% |
With potassium carbonate In tetrahydrofuran at 27℃; for 16h; Cooling with ice; | 86% |
With methanol; sodium |
3-oxopentanedioic acid dimethyl ester
(R)-Phenylglycinol
(Z)-3-((R)-2-Hydroxy-1-phenyl-ethylamino)-pent-2-enedioic acid dimethyl ester
Conditions | Yield |
---|---|
In toluene for 48h; Heating; | 100% |
3-oxopentanedioic acid dimethyl ester
4-bromo-2,3-bis(bromomethyl)-biphenyl
dimethyl 1-bromo-4-phenyl-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydrogencarbonate In dichloromethane; water at 40℃; for 16h; Inert atmosphere; | 100% |
3-oxopentanedioic acid dimethyl ester
1,2-bis(bromomethyl)naphthalene
dimethyl 9-oxo-8,9,10,11-tetrahydro-7H-cyclohepta[a]naphthalene-8,10-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydrogencarbonate In dichloromethane; water at 40℃; for 16h; Inert atmosphere; | 100% |
3-oxopentanedioic acid dimethyl ester
1-bromo-2,3-bis(bromomethyl)benzene
dimethyl 1-bromo-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydrogencarbonate In dichloromethane; water at 40℃; for 6h; Inert atmosphere; | 100% |
3-oxopentanedioic acid dimethyl ester
dimethyl 1,4-dibromo-7-oxo-5,6,8,9-tetrahydro-benzocycloheptene-6,8-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydrogencarbonate In dichloromethane; water at 40℃; for 16h; Inert atmosphere; | 100% |
3-oxopentanedioic acid dimethyl ester
1,3-benzothiazol-2-ylhydrazine
methyl 2-(1-(benzo[d]thiazol-2-yl)-5-hydroxy-1H-pyrazol-3-yl)acetate
Conditions | Yield |
---|---|
In toluene at 110℃; | 97% |
In benzene for 8h; Reflux; |
chloro-trimethyl-silane
3-oxopentanedioic acid dimethyl ester
dimethyl 3-((trimethylsilyl)oxy)pent-2-enedioate
Conditions | Yield |
---|---|
With triethylamine In benzene at 20 - 25℃; | 97% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; citric acid In methanol at 20℃; for 24h; Inert atmosphere; chemoselective reaction; | 96% |
With sodium tetrahydroborate In methanol at 0 - 20℃; for 24h; Time; | 94% |
With aluminum oxide; copper(l) iodide; hydrogen; zinc(II) oxide In methanol at 50℃; under 7500.75 Torr; Autoclave; | 89.5% |
3-oxopentanedioic acid dimethyl ester
tert-butylimine of dimethylacrylaldehyde
Conditions | Yield |
---|---|
With lithium iodide In 1,2-dimethoxyethane for 24h; Ambient temperature; | 96% |
3-oxopentanedioic acid dimethyl ester
N-benzyl-(3-methylbut-2-enylidene)amine
Conditions | Yield |
---|---|
With lithium iodide In 1,2-dimethoxyethane for 24h; Ambient temperature; | 96% |
3-oxopentanedioic acid dimethyl ester
benzil
2,5-bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone
Conditions | Yield |
---|---|
Stage #1: 3-oxopentanedioic acid dimethyl ester; benzil With potassium hydroxide In ethanol Stage #2: With acetic anhydride In acetic acid | 96% |
Stage #1: 3-oxopentanedioic acid dimethyl ester; benzil With potassium hydroxide In methanol; water Stage #2: With sulfuric acid; acetic anhydride |
Conditions | Yield |
---|---|
With sodium In methanol at 20℃; | 96% |
tetrakis(triphenylphosphine) palladium(0)
3-oxopentanedioic acid dimethyl ester
Conditions | Yield |
---|---|
With air; H2O In benzene mixt. of educts in C6H6 stirred in open air for 16 h; Et2O added, solid recrystd. from CH2Cl2-light petroleum, dried in vac. (0.4 mmHg) at 40°C; identified by IR and NMR; | 96% |
With air In diethyl ether react. of Pd(PPh3)4 suspended in Et2O with excess of the ester in presence of air; | >99 |
1,1'-bis-(diphenylphosphino)ferrocene
3-oxopentanedioic acid dimethyl ester
[Pd(CH(CO2CH3)COCH(CO2CH3))(Fe(C5H4P(C6H5)2)2)]
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane N2, refluxed for 5 h (an excess of Ag and P compds.); filtered, evapd. to dryness, dissolved (CH2Cl2), diethyl ether or petroleum ether added, ppt. filtered, dried (vac.); IR, NMR; | 96% |
3-oxopentanedioic acid dimethyl ester
benzaldehyde
tetramethyl 2-carboxymethyl-2-hydroxy-4-oxo-6-phenyl-1,3,5-cyclohexanetricarboxylic acid ester
Conditions | Yield |
---|---|
Stage #1: 3-oxopentanedioic acid dimethyl ester In aq. buffer for 0.166667h; pH=8.3; Stage #2: benzaldehyde In aq. buffer for 48h; | 95.3% |
Stage #1: 3-oxopentanedioic acid dimethyl ester In aq. acetate buffer for 0.166667h; pH=8.3; Stage #2: benzaldehyde In aq. buffer for 48h; pH=8.3; | 95.3% |
for 48h; aq. bicarbonate buffer, pH 8.3; |
3-oxopentanedioic acid dimethyl ester
3-chloro-but-1-yne
5-methyl-3-cyclohexenone
Conditions | Yield |
---|---|
With copper(II) choride dihydrate; 2,6-bis(-4-phenyl-4,5-dihydrooxazol-2-yl)pyridine; triethylamine In methanol at 25 - 120℃; for 18h; Reagent/catalyst; Inert atmosphere; | 95.2% |
3-oxopentanedioic acid dimethyl ester
1,4-dibromobut-2-yne
2-[(methoxycarbonyl)methyl]-5-vinylidene-4,5-dihydrofuran-3-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran for 4h; Heating; | 95% |
3-oxopentanedioic acid dimethyl ester
2,3,5-tri-O-benzoyl-β-D-ribofuranosyl azide
1-((2R,3R,4R,5R)-3,4-Bis-benzoyloxy-5-benzoyloxymethyl-tetrahydro-furan-2-yl)-5-methoxycarbonylmethyl-1H-[1,2,3]triazole-4-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 23℃; for 15h; Cycloaddition; Dimroth reaction; | 95% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In ethanol at 20℃; for 4h; | 95% |
With piperidine In methanol for 0.25h; Heating; | 76% |
3-oxopentanedioic acid dimethyl ester
trimethyl orthoformate
methyl (E)-4-carbomethoxy-3-methoxy-2-butenoate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol for 40h; Heating; | 95% |
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