Chemsigma is the sales center of Nanjing King-pharm Co.Ltd. And Dewei Chemicals industry. We are engaged in developing and manufacturing API, Pharmaceutical intermediates, Biochemicals, Frangrance chemicals and some other specialty chemicals. S
Cas:542-08-5
Min.Order:1 Kilogram
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inquiryProduct description: Product name Isopropyl acetoacetate CAS number 542-08-5 Assay ≥99% Appearance Colorless transparent liquid Capacity 200mt/year Application Azodipine inte
Cas:542-08-5
Min.Order:10 Gram
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The 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
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 quantiti
Cas:542-08-5
Min.Order:1 Kilogram
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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:542-08-5
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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:542-08-5
Min.Order:1 Kilogram
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inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
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Min.Order:1 Gram
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Min.Order:10 Gram
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inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is
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Min.Order:1 Kilogram
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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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Min.Order:1 Kilogram
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inquiryIsopropyl acetoacetate CAS:542-08-5 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 inte
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Min.Order:1 Gram
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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 emai
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Min.Order:1 Kilogram
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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
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
Hangzhou 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:542-08-5
Min.Order:0 Metric Ton
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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
Zibo 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:542-08-5
Min.Order:10 Gram
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inquiry1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m
Cas:542-08-5
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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,
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Min.Order:1 Kilogram
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:542-08-5
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inquiryProduct name: Isopropyl Acetoacetate CAS No.:542-08-5 Molecule Formula:C7H12O3 Molecule Weight:144.17 Purity: 99.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard
Cas:542-08-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryCAS:542-08-5 EINECS:208-798-4 MW:144.17 MF:C7H12O3 Melting point:-27°C Boiling point:95 °C52 hPa(lit.) Appearance:colorless liquid Package:200kg/Steel drum Transportation:by sea Port:Shanghai
Isopropyl acetoacetate Chemical Properties Melting point -27°C Boiling point 95 °C52 hPa(lit.) density 0.989 g/mL at 20 °C(lit.) refractive index n20/D 1.418 Fp 73°C pka 11.67±0.46(Predicted) Water Solubi
Cas:542-08-5
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
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:542-08-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Superior quality, moderate price & quick delivery. Appearance:colorless transparent liquid Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceuti
2,2,6-trimethyl-4H-1,3-dioxin-4-one
isopropyl alcohol
isopropyl acetoacetate
Conditions | Yield |
---|---|
With sodium acetate for 24h; Reflux; | 98% |
Esterification; | 92% |
In 5,5-dimethyl-1,3-cyclohexadiene at 150℃; for 3h; | 55% |
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane at 50 - 90℃; for 2h; Reagent/catalyst; Temperature; | 95.5% |
With triethylamine at 95℃; for 3h; | 89.6% |
With sodium acetate at 115℃; for 2.5h; | 86% |
4-methyleneoxetan-2-one
(E)-3-phenylpropenal
titanium(IV)isopropoxide
B
isopropyl acetoacetate
Conditions | Yield |
---|---|
In dichloromethane | A 88% B n/a |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In toluene for 5h; Reflux; | 87% |
With iodine In toluene for 7h; Heating; | 63% |
niobium(V) oxide In toluene for 8h; Heating; | 63% |
Conditions | Yield |
---|---|
With 1,3,5-trichloro-2,4,6-triazine; N,N-dimethyl-formamide for 0.0116667h; Reagent/catalyst; Microwave irradiation; | 83% |
With Prussian blue In toluene for 0.183333h; Microwave irradiation; | 82% |
With silver trifluoromethanesulfonate In toluene at 110℃; for 10h; | 77% |
With iodine In toluene for 6h; Ionic liquid; Reflux; | 68% |
isopropyl 4-bromo-3-oxobutanoate
triphenylphosphine
A
isopropyl acetoacetate
Conditions | Yield |
---|---|
In benzene for 24h; Ambient temperature; Yields of byproduct given; | A n/a B 82.9% |
Conditions | Yield |
---|---|
With triethylamine for 5h; Ambient temperature; | 77.5% |
Isopropyl acetate
methyl (2S)-N-tritylaziridine-2-carboxylate
A
isopropyl acetoacetate
B
(4S)-3-oxo-4,5-(N-triphenylmethylepimino)pentanoic acid isopropyl ester
Conditions | Yield |
---|---|
Stage #1: Isopropyl acetate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Metallation; Stage #2: methyl (2S)-N-tritylaziridine-2-carboxylate In tetrahydrofuran; hexane at -78℃; for 12h; Claisen condensation; | A n/a B 70% |
cycl-isopropylidene malonate
acetyl chloride
isopropyl alcohol
isopropyl acetoacetate
Conditions | Yield |
---|---|
Stage #1: cycl-isopropylidene malonate; acetyl chloride With pyridine In dichloromethane at 0 - 20℃; for 2h; Stage #2: isopropyl alcohol for 2h; Reflux; | 65% |
Isopropyl acetate
isopropylmagnesium chloride
A
isopropyl acetoacetate
B
3-hydroxy-3,4-dimethyl-valeric acid isopropyl ester
Conditions | Yield |
---|---|
With diethyl ether |
Conditions | Yield |
---|---|
Geschwindigkeit; |
Conditions | Yield |
---|---|
With sodium isopropylate at 87℃; | |
With diethyl ether; ammonia; sodium amide | |
With sodium | |
(i) LiNH2, liq. NH3, (ii) Ph2CO; Multistep reaction; |
Conditions | Yield |
---|---|
With triethylamine In diethyl ether |
1-<(Carboisopropoxy)methylthio>ethylidenyldimethylammonium Iodide
1-<(Carboethoxy)methylthio>pentylidenyldimethylammonium Iodide
A
Ethyl 3-oxoheptanoate
B
isopropyl acetoacetate
C
ethyl acetoacetate
D
Isopropyl 3-Oxoheptanoate
Conditions | Yield |
---|---|
With bis [3-dimethyl-amino-1-propyl] phenyl phosphine In acetonitrile Mechanism; Heating; |
isopropyl alcohol
2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine
isopropyl acetoacetate
Conditions | Yield |
---|---|
With triethylamine Heating; |
isopropyl 4-bromo-3-oxobutanoate
triphenylphosphine
A
isopropyl acetoacetate
Conditions | Yield |
---|---|
In benzene for 24h; Product distribution; Ambient temperature; various solvents; | |
In chloroform-d1 Ambient temperature; | A 18 % Spectr. B 60.5 % Spectr. C n/a D n/a |
5-(1-hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
isopropyl alcohol
isopropyl acetoacetate
Conditions | Yield |
---|---|
In toluene Heating; |
4-methyleneoxetan-2-one
(E)-3-phenylpropenal
titanium(IV)isopropoxide
A
isopropyl acetoacetate
Conditions | Yield |
---|---|
With (S)-[1,1']-binaphthalenyl-2,2'-diol In dichloromethane at 20℃; for 24h; Title compound not separated from byproducts; |
S-phenyl thioacetate
S-phenyl 3-oxobutanethioate
isopropyl alcohol
A
Isopropyl acetate
B
isopropyl acetoacetate
Conditions | Yield |
---|---|
With silver trifluoroacetate In chloroform for 3h; |
isopropyl acetoacetate
isopropyl 3-aminocrotonate
Conditions | Yield |
---|---|
With ammonium acetate In ethanol for 24h; Reflux; | 100% |
With ammonia In water at 25℃; for 3h; Temperature; Reagent/catalyst; | 91.7% |
With ammonium hydroxide; ammonium acetate at -5 - 5℃; for 18h; | 86% |
isopropyl acetoacetate
isopropyl ester of (R)-3-hydroxybutanoic acid
Conditions | Yield |
---|---|
With hydrogen; C50H44Cl2N2O8P4Ru(4-)*Zr(4+) In methanol at 20℃; under 72402.6 Torr; for 20h; Product distribution / selectivity; | 100% |
With C50H46Cl2N2O2P2Ru; hydrogen In methanol at 50℃; under 30003 Torr; for 24h; Catalytic behavior; Reagent/catalyst; Autoclave; enantioselective reaction; | 99% |
With hydrogen; [(R)-BINAP]RuBr2 In methanol at 23 - 30℃; under 55480 Torr; for 34h; | 93 % Chromat. |
isopropyl acetoacetate
2-chloro-benzaldehyde
2-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid isopropyl ester
Conditions | Yield |
---|---|
With piperdinium acetate In isopropyl alcohol at 45 - 55℃; | 100% |
isopropyl acetoacetate
N,N-dimethyl-formamide dimethyl acetal
isopropyl 2-((dimethylamino)methylene)-3-oxobutanoate
Conditions | Yield |
---|---|
at 20℃; | 100% |
at 20℃; | 100% |
at 20℃; | 100% |
In chloroform for 1h; Heating; |
isopropyl acetoacetate
methyl iodide
rac-isopropyl 2-methyl-3-oxobutanoate
Conditions | Yield |
---|---|
With potassium carbonate at 0 - 40℃; for 3h; | 99% |
Stage #1: isopropyl acetoacetate With potassium carbonate In acetone for 0.0833333h; Inert atmosphere; Stage #2: methyl iodide In acetone for 18h; Inert atmosphere; Reflux; | 81% |
Stage #1: isopropyl acetoacetate With potassium carbonate In acetone for 0.0833333h; Inert atmosphere; Stage #2: methyl iodide In acetone for 18h; Inert atmosphere; Reflux; | 81% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol at 80℃; for 12h; Reagent/catalyst; Friedlaender Quinoline Synthesis; Schlenk technique; | 99% |
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction; | 98% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis; | 96% |
With silica-supported Cu(I) In ethanol for 5h; Biginelli pyrimidine synthesis; Reflux; | 93% |
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 2h; Biginelli reaction; | 98% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis; | 94% |
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction; |
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction; | 98% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis; | 94% |
With hexaaquaaluminium(III) tetrafluoroborate In acetonitrile for 20h; Biginelli pyrimidine synthesis; Reflux; | 83% |
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction; | 75% |
Conditions | Yield |
---|---|
With 1-butyl-3-carboxymethyl-benzotriazolium trifluoroacetate In neat (no solvent) at 90℃; for 0.666667h; Biginelli Pyrimidone Synthesis; | 98% |
Conditions | Yield |
---|---|
With isopropyl alcohol In water at 60℃; for 48h; Biginelli Pyrimidone Synthesis; Enzymatic reaction; | 98% |
Conditions | Yield |
---|---|
Stage #1: isopropyl acetoacetate With sodium methylate In isopropyl alcohol at 80℃; for 1h; Stage #2: zinc(II) chloride In isopropyl alcohol at 70 - 90℃; for 4.5h; | 98% |
Conditions | Yield |
---|---|
With [Ir(cod)2]SbF6; 2,2'-bis(diphenylphosphino)biphenyl for 24h; Reflux; diastereoselective reaction; | 98% |
Conditions | Yield |
---|---|
With pyridine; magnesium chloride In dichloromethane at 0 - 20℃; for 16h; | 97% |
isopropyl acetoacetate
thiourea
Conditions | Yield |
---|---|
With erythrosine B; oxygen In acetonitrile at 20℃; for 8h; Irradiation; Green chemistry; | 97% |
Conditions | Yield |
---|---|
With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((R)-(6-methoxyquinolin-4-yl)((1S,2R,4S,5R)-5-vinylquinuclidin-2-yl)methyl)thiourea In tetrahydrofuran at 4℃; for 96h; Aldol Addition; enantioselective reaction; | 97% |
isopropyl acetoacetate
anthranilic acid amide
2,2-dimethyl-2,3-dihydro-1H-quinazolin-4-one
Conditions | Yield |
---|---|
With Candida antarctica lipase B In hexane; water at 50℃; for 40h; Enzymatic reaction; | 97% |
isopropyl acetoacetate
iso-propyl (S)-(+)-3-hydroxybutyrate
Conditions | Yield |
---|---|
With yeast Saccharomyces cerevisiae; water In Petroleum ether Ambient temperature; | 96% |
With hydrogen In isopropyl alcohol at 80℃; under 15001.5 Torr; for 10h; enantioselective reaction; | 96.5% |
With dichloro(benzene)ruthenium(II) dimer; C49H52O2P2; hydrogen In methanol at 80℃; under 38002.6 Torr; for 12h; optical yield given as %ee; enantioselective reaction; | |
With D-Glucose; cobalt(II); BaSDR1 reductase variant Q139G; NADH In aq. phosphate buffer at 35℃; pH=7.5; Kinetics; Reagent/catalyst; Enzymatic reaction; enantioselective reaction; | n/a |
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 2h; Biginelli reaction; | 96% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis; | 94% |
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction; |
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 3h; Biginelli reaction; | 96% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 4h; Biginelli pyrimidine synthesis; | 90% |
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction; |
isopropyl acetoacetate
2-chloro-benzaldehyde
urea
(±)-isopropyl 4-(2-chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction; | 96% |
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis; | 96% |
With zinc(II) chloride In tetrahydrofuran at 70℃; for 12h; Biginelli Pyrimidone Synthesis; | 92% |
isopropyl acetoacetate
(Z)-isopropyl 3-phenoxybut-2-enoate
Conditions | Yield |
---|---|
With copper(l) iodide; lithium carbonate In 1,4-dioxane at 70℃; for 60h; Inert atmosphere; Sealed tube; regioselective reaction; | 96% |
isopropyl acetoacetate
isopropyl 3-aminocrotonate
Conditions | Yield |
---|---|
With ammonia In dichloromethane | 95% |
With ammonia at 10℃; | 89% |
With ammonia In ethanol |
tryptamine
isopropyl acetoacetate
3-phenyl-propenal
(2S,12bS)-isopropyl 4-methyl-2-phenyl-1,2,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: isopropyl acetoacetate; 3-phenyl-propenal With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In toluene at -15℃; for 24h; Inert atmosphere; Stage #2: tryptamine With benzoic acid In toluene at 50℃; for 24h; optical yield given as %ee; enantioselective reaction; | 95% |
Conditions | Yield |
---|---|
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis; | 95% |
Conditions | Yield |
---|---|
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis; | 95% |
isopropyl acetoacetate
3-nitro-benzaldehyde
urea
Isopropyl 6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With polyphosphate ester for 0.00833333h; Cyclization; Biginelli condensation; Irradiation; | 94% |
With polyphosphonate ester In tetrahydrofuran for 24h; Biginelli cyclocondensation; Heating; | 94% |
With ytterbium(III) triflate In toluene at 100℃; Biginelli Pyrimidone Synthesis; |
Conditions | Yield |
---|---|
With 1-butyl-3-carboxymethyl-benzotriazolium trifluoroacetate In neat (no solvent) at 90℃; for 0.666667h; Biginelli Pyrimidone Synthesis; | 94% |
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction; | 73% |
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