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:625-33-2
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Cas:625-33-2
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Type:Trading Company
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Cas:625-33-2
Min.Order:1 Gram
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Min.Order:25 Gram
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inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:625-33-2
Min.Order:10 Gram
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inquiryProduct Name 3-Penten-2-one CAS No 625-33-2 Batch No 20190821 Manufacturing date 20190
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Min.Order:10 Gram
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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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:625-33-2
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Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Conditions | Yield |
---|---|
With sulfur tetrafluoride; sodium fluoride at 20℃; for 3h; autoclave; | A 80% B 20% |
With sulfur tetrafluoride; sodium fluoride at 20℃; for 24h; autoclave; | A 45% B 55% |
Pent-4-en-2-ol
A
pent-4-en-2-one
B
3-penten-2-one
C
2-pentene-1,4-dione
Conditions | Yield |
---|---|
With tetrapropylammonium perruthennate In dichloromethane at 20℃; for 8h; Molecular sieve; | A 74% B 10% C 16% |
Conditions | Yield |
---|---|
With potassium phosphate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; Cu2(phenanthroline)2(μ-Cl)2Cl2; oxygen In acetonitrile at 20℃; for 5h; | 71% |
With (1R,2R)-1,2-di(naphthalen-1-yl)ethane-1,2-diamine; tert.-butylhydroperoxide; potassium carbonate In water at 95℃; for 16h; | 21% |
With oxygen; aluminum oxide; ruthenium In various solvent(s) at 82.84℃; for 6h; |
5,6-dihydro-4-hydroxy-6-methyl-2H-pyran-2-one
3-penten-2-one
Conditions | Yield |
---|---|
In water at 179.84℃; under 25858.1 Torr; Product distribution / selectivity; Inert atmosphere; | 59.7% |
With Amberlyst 70 In water at 99.84℃; under 15751.6 Torr; for 4h; Solvent; Time; Inert atmosphere; Flow reactor; |
Conditions | Yield |
---|---|
With dmap; acetic anhydride; triethylamine Ambient temperature; | A 28% B 53% |
With dmap; triethylamine for 2h; Ambient temperature; | A 28% B 53% |
Conditions | Yield |
---|---|
With sodium hydroxide In diethyl ether at 0℃; for 5h; | 9.6% |
With sodium hydroxide; diethyl ether und Destillation des Reaktionsprodukts mit wasserfreier Oxalsaeure; | |
With caesium carbonate In methanol at 20℃; for 5.5h; | |
With sodium hydroxide In water at 40℃; | |
With sodium hydroxide In water at 25℃; for 6h; |
Conditions | Yield |
---|---|
at 525℃; Erhitzen; |
pent-4-en-2-one
3-penten-2-one
Conditions | Yield |
---|---|
durch verschiedene Agenzien; | |
With sodium ethanolate | |
With piperidine | |
With mineral acid | |
With hydrogenchloride In gas |
Conditions | Yield |
---|---|
at 25 - 170℃; Quantum yield; Photolysis; |
Conditions | Yield |
---|---|
With aluminum tri-bromide; hexane | |
With carbon disulfide; aluminum tri-bromide |
Conditions | Yield |
---|---|
With iodine at 155℃; | |
With acetic anhydride; zinc(II) chloride at 150 - 160℃; | |
at 250℃; |
4-bromo-pentan-2-one
3-penten-2-one
Conditions | Yield |
---|---|
With potassium hydrogencarbonate |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
at 25℃; ohne Katalysator; | |
at 25℃; analog verlaeuft die Einw. auf Propionaldehyd und Butyraldehyd; |
Conditions | Yield |
---|---|
durch Saettigen des Gemisches mit Chlorwasserstoff und Destillieren des Reaktionsproduktes mit Diaethylanilin; |
3,4-pentadien-2-ol
3-penten-2-one
Conditions | Yield |
---|---|
With water; mercury(II) sulfate for 1.5h; Heating; |
Conditions | Yield |
---|---|
With hydrogenchloride; zinc(II) chloride 1.) ethyl acetate, room temp., 18 h; 2.) 80 deg C, 2 h; Yield given. Multistep reaction; |
diethyl acetal
trimethyl[(1-methylpropenyl)oxy]-silane
A
3-penten-2-one
B
4-ethoxypentan-2-one
Conditions | Yield |
---|---|
zinc(II) chloride In ethyl acetate Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
methyl crotonate
Methyl formate
bis(trimethylstannyl)methane
A
3-penten-2-one
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
5-Hydroxy-2-pentanone
A
2-Methyl-4,5-dihydrofuran
B
3-penten-2-one
C
Cyclopropyl methyl ketone
D
acetaldehyde
E
2-Pentanone
F
acetone
Conditions | Yield |
---|---|
at 500℃; for 0.005h; Product distribution; other temperatures from 430 to 530 deg C, other reaction time, degree of conversion; |
4-oxopentyl acetate
A
pent-4-en-2-one
B
3-penten-2-one
C
acetic acid
Conditions | Yield |
---|---|
at 380.4℃; Kinetics; Product distribution; Mechanism; other temperatures, various pressures, effect of propene inhibitors; Ea. log A; |
4-(butylthio)pent-3-en-2-one
3-penten-2-one
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether 1.) room temperature, 2 h, 2.) 30 min, reflux; | 27.5 % Chromat. |
With lithium aluminium tetrahydride In diethyl ether Product distribution; other reagent, solvent; | 27.5 % Chromat. |
Conditions | Yield |
---|---|
With potassium hydroxide Yields of byproduct given; |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether 1.) room temperature, 2 h, 2.) 30 min, reflux; | A 62.5 % Chromat. B 6.5 % Chromat. |
With lithium aluminium tetrahydride In diethyl ether Product distribution; other reagent, solvent; | A 62.5 % Chromat. B 6.5 % Chromat. |
ethene
acetone
A
pent-4-en-2-one
B
3-penten-2-one
C
hept-6-en-2-one
D
4-oxopentyl acetate
E
2-Pentanone
Conditions | Yield |
---|---|
With copper diacetate; manganese triacetate In acetic acid at 85℃; under 38000 Torr; for 4h; Product distribution; Mechanism; other solvents, var. conc. of reagents, var. pressure, var. reagent (MnO2); | A 30 % Turnov. B 18 % Turnov. C 28 % Turnov. D 14 % Turnov. E 10 % Turnov. |
Conditions | Yield |
---|---|
With potassium hydroxide; acetaldehyde Yield given; |
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone at 0 - 20℃; Product distribution; other solvent; |
A
2,5-dimethylfuran
B
5-Methylfurfural
C
3-penten-2-one
D
phenol
Conditions | Yield |
---|---|
With air at 400 - 550℃; Oxidation; Formation of xenobiotics; |
Conditions | Yield |
---|---|
With limonene.; palladium on activated charcoal for 0.25h; Heating; | 100% |
With potassium bis(trimethylsilyl)amide In tetrahydrofuran at 0℃; for 6h; | 94.2% |
With hydrogen; 1,5-hexadienerhodium(I)-chloride dimer In hexane for 3h; Ambient temperature; pH=7.6; | 71% |
Conditions | Yield |
---|---|
With [Cu((S,S)-(C6H5CHCH2OCN)2C(CH3)2)](CF3SO3)2; 1,1,1,3',3',3'-hexafluoro-propanol In toluene at 20℃; for 5h; | 100% |
4-Methoxybenzenethiol
3-penten-2-one
4-(4-methoxyphenylthio) pentan-2-one
Conditions | Yield |
---|---|
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 4h; Michael addition; neat (no solvent); | 99% |
With [Ni(2,6-bis[[(S)-2-(methyloxycarbonyl)-1-pyrrolidinyl]methyl]-pyridine)(CH3CN)](ClO4)2*H2O In acetonitrile at 20℃; for 2h; Michael Addition; Inert atmosphere; Schlenk technique; | 96% |
With C39H47N7Ni2O5(3+)*3ClO4(1-) In acetonitrile at 20℃; for 2h; thia-Michael addition; | 41% |
Conditions | Yield |
---|---|
With 9-epi-9-amino-9-deoxyquinine; N,N,N',N'-tetramethyl-1,8-diaminonaphthalene; benzoic acid at 40℃; for 144h; Michael Addition; enantioselective reaction; | 99% |
With (S)-N1-cyclohexyl-3,3-dimethylbutane-1,2-diamine; benzoic acid In dichloromethane at 30℃; for 48h; Michael Addition; enantioselective reaction; | 80% |
Conditions | Yield |
---|---|
With chlorobis(ethylene)rhodium(I) dimer; [(η5-1-bis(3,5-dimethylphenyl)phosphino-2-(3-diphenylphosphino-2-methylpropenyl)cyclopentadienyl-P)]manganese(I) dicarbonyl; potassium hydroxide In 1,4-dioxane; water at 50℃; for 9h; Inert atmosphere; enantioselective reaction; | 99% |
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 4h; Inert atmosphere; Schlenk technique; enantioselective reaction; | 95% |
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 0.5h; Inert atmosphere; Schlenk technique; | 95% |
With C17H27NO In water; toluene at 100℃; for 12h; Inert atmosphere; | 91% |
With heterogeneous Rh/Ag bimetallic nanoparticle catalyst immobilized on chiral polymer In water; toluene at 100℃; for 24h; Inert atmosphere; enantioselective reaction; | 90% |
3-penten-2-one
4-methylphenylboronic acid
(S)-4-(4-methylphenyl)-2-pentanone
Conditions | Yield |
---|---|
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 4h; Inert atmosphere; Schlenk technique; enantioselective reaction; | 99% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether Ambient temperature; | 98% |
Conditions | Yield |
---|---|
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 16h; Michael addition; neat (no solvent); | 98% |
3-penten-2-one
4,9-dihydro-9-(p-toluenesulfonyl)-3H-pyrido-<3,4-b>indole
(4R,12bS)-4-methyl-12-tosyl-1,3,4,6,7,12b-hexahydroindolo[2,3-a]quinolizin-2(12H)-one
Conditions | Yield |
---|---|
With (S)-2-(3-((1R,2R)-2-aminocyclohexyl)thioureido)-N-benzhydryl-N,3,3-trimethylbutanamide; acetic acid In toluene at 4℃; for 48h; Diels-Alder Cycloaddition; Inert atmosphere; enantioselective reaction; | 97% |
Conditions | Yield |
---|---|
With C38H54ClFeN2O2 In 1,2-dichloro-ethane at -5℃; for 32h; enantioselective reaction; | 97% |
3-penten-2-one
O-p-toluenesulfonyl benzyloxyhydroxamate
2-acetyl-3-methylaziridine-1-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
Stage #1: 3-penten-2-one With 1.5C13H17NO4*C20H27N3O In chloroform at 23℃; for 0.166667h; Stage #2: O-p-toluenesulfonyl benzyloxyhydroxamate With sodium hydrogencarbonate In chloroform at 23℃; for 16h; optical yield given as %ee; enantioselective reaction; | 96% |
Conditions | Yield |
---|---|
With 4-n-butyl-4-(3-sulfopropyl)thiomorpholinium 1,1-dioxide trifluoromethane sulfonate at 70℃; for 0.5h; Michael Addition; Green chemistry; | 96% |
Conditions | Yield |
---|---|
With Boc-D-Phg-OH; (R,R)-1,2-diphenylethylenediamine In toluene at 20℃; for 24h; Michael Addition; stereoselective reaction; | A n/a B 96% |
Conditions | Yield |
---|---|
With hydrogen; In diethylene glycol dimethyl ether; water at 30℃; under 735.5 Torr; for 5h; Kinetics; reaction profiles reactions of hydrogenation of some unsatureted ketones; | A 95.3% B 4.7% |
n-butyllithium
3-penten-2-one
tert-butylisonitrile
4-methyl-5-(N-tert-butylimino)-2-nonanone
Conditions | Yield |
---|---|
With copper(l) iodide; boron trifluoride diethyl etherate In diethyl ether at -78 - 0℃; for 0.5h; Product distribution; reactions of Cu(I) aldimines with α,β-unsaturated carbonyl compounds; | 95% |
With copper(l) iodide; boron trifluoride diethyl etherate; sodium carbonate In diethyl ether -78 degC, 30 min, than 0 degC; | 95% |
Conditions | Yield |
---|---|
With aluminium(III) triflate at 80℃; for 0.133333h; Time; Wavelength; Microwave irradiation; regioselective reaction; | 95% |
With N-[(perfluorobutyl)sulfonyl]-3-{N-[(perfluorobutyl)sulfonyl]sulfamoyl}benzamide In water at 30℃; for 3h; Temperature; Michael Addition; | 91% |
With ionic liquid immobilized on silica-SO2Cl In diethyl ether at 20℃; for 5h; | 90% |
Conditions | Yield |
---|---|
With BF4(1-)*C68H44N2O4P2Rh(1+); water; potassium hydroxide In 1,4-dioxane at 60℃; for 1h; Anaerobic conditions; Combinatorial reaction / High throughput screening (HTS); optical yield given as %ee; enantioselective reaction; | 95% |
With chlorobis(ethylene)rhodium(I) dimer; (RS)-N-(cinnamyl)-2-methylpropane-2-sulfinamide; potassium hydroxide In methanol; water at 40℃; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 78% |
With chlorobis(ethylene)rhodium(I) dimer; [η5-1-bis(3,5-di(trifluormethylphenyl)phosphino-2-(3-diphenylphosphino-2-methylpropenyl)cyclopentadienyl-P)]manganese(I) dicarbonyl; potassium hydroxide In 1,4-dioxane; water at 50℃; for 9h; Reagent/catalyst; Inert atmosphere; enantioselective reaction; | 60% |
3-penten-2-one
5-phenyl-2H-1,2,3,4-tetrazole
4-(5-phenyl-2H-tetrazol-2-yl) pentan-2-one
Conditions | Yield |
---|---|
With 1-methyl-imidazolium p-toluenesulfonic acid In dichloromethane at 20℃; for 1h; Michael addition; | 95% |
3-penten-2-one
2,3-dihydro-3-oxo-1H-isoindole-1-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; for 8h; Michael Addition; | 95% |
Conditions | Yield |
---|---|
With C38H54ClFeN2O2 In 1,2-dichloro-ethane at -5℃; for 31h; enantioselective reaction; | 95% |
Stage #1: 3-penten-2-one With nanoparticles of Iron(II)-folded copolymer from N-isopropylacrylamide and 4-benzyl-2-vinyloxazoline In water for 0.0833333h; Michael Addition; Stage #2: (4-chlorophenyl)methanethiol In water at 25℃; for 48h; Michael Addition; enantioselective reaction; | 94% |
Conditions | Yield |
---|---|
With phosphomolybdic acid; sodium dodecyl-sulfate In water; toluene at 80℃; for 0.833333h; | 94% |
Conditions | Yield |
---|---|
With sodium ligninsulfonate-immobilized Sc(OTf)3 In ethanol Michael Addition; | 94% |
3-penten-2-one
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 1h; Reagent/catalyst; Michael Addition; | 94% |
4-n-chlorophenylacetylene
3-penten-2-one
trimethoxy(phenylethynyl)silane
Conditions | Yield |
---|---|
With nickel(II) iodide; methanol; zinc In N,N-dimethyl-formamide at 20℃; for 18h; Schlenk technique; Sealed tube; Inert atmosphere; stereoselective reaction; | 94% |
3-penten-2-one
methyl 2-isocyanopropanoate
2-Isocyano-2,3-dimethyl-5-oxo-hexanoic acid methyl ester
Conditions | Yield |
---|---|
tetrabutyl ammonium fluoride In tetrahydrofuran for 3h; Ambient temperature; | 93% |
5-bromo-1H-indole
3-penten-2-one
4-(5-bromo-1H-indol-3-yl)pentan-2-one
Conditions | Yield |
---|---|
With N-[(perfluorobutyl)sulfonyl]-3-{N-[(perfluorobutyl)sulfonyl]sulfamoyl}benzamide In water at 30℃; for 5h; Michael Addition; | 93% |
With zirconium(IV) chloride In dichloromethane at 20℃; | 72% |
3-penten-2-one
(5-hexen-1-ylsulfonyl)-benzene
8-(phenylsulfonyl)-3-octen-2-one
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 20℃; for 13h; | 93% |
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 20℃; for 13h; | 93% |
Conditions | Yield |
---|---|
With cadmium tetrahydroborate In acetonitrile for 24h; Mechanism; Ambient temperature; | 92% |
With cadmium tetrahydroborate In acetonitrile for 24h; Ambient temperature; | 92% |
With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.333333h; | 70% |
1,2,3-Benzotriazole
3-penten-2-one
4-(1H-benzo[d][1,2,3]triazol-1-yl)pentan-2-one
Conditions | Yield |
---|---|
With 1-methyl-imidazolium p-toluenesulfonic acid In dichloromethane at 20℃; for 3h; Michael addition; | 92% |
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; acetic acid at 25℃; for 30h; Inert atmosphere; Darkness; | 92% |
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