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Mainly used inorganic synthesis and medicine intermediate. Appearance:Colorless to pale yellow liquid Storage:Store in a cool, dry, ventilated area away from sources of heat or ignition. Package:200kg/drum Application:Mainly used inorganic synt
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1703.html Product Name Ethyl 4-chloroacetoacetate CAS No. 638-07-3
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inquiryCAS No : 638-07-3 Molecular: C6H9CIO3 Structure: Specification: Appearance: Clear colorless liquid Assay: 98%Min Packing: 220kg Iron-plastic drums Usage: An intermediate for manufacturing pharmaceuticals and pesticides etc. Appearanc
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inquiryMethanesulfonic acid is a raw material for medicine and pesticide. It can also be used as dehydrating agent, curing accelerator for coating, treating agent for fiber, solvent, catalysis, and esterification as well as polymerization reaction. It c
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inquiryConditions | Yield |
---|---|
Stage #1: ethyl acetoacetate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at 0℃; for 1h; Inert atmosphere; Stage #2: With methyl chlorosulfate In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In ethanol; dimethyl sulfoxide at 128 - 152℃; under 3648.24 - 6840.46 Torr; for 22h; Temperature; Pressure; Inert atmosphere; | 98.7% |
Conditions | Yield |
---|---|
In methanol; N,N-dimethyl-formamide at 110 - 145℃; under 2280.15 - 6080.41 Torr; for 15h; Inert atmosphere; | 97.3% |
Conditions | Yield |
---|---|
Stage #1: 4-methyleneoxetan-2-one With chlorine In dichloromethane under 225.023 Torr; Flow reactor; Stage #2: ethanol at 40 - 70℃; under 712.571 Torr; for 4h; | 93% |
Stage #1: 4-methyleneoxetan-2-one With chlorine; sodium hydroxide; copper dichloride In dichloromethane at -40 - 10℃; Stage #2: ethanol In dichloromethane Temperature; | 90% |
n-hexan-2-one
4,4-dichloro-3-oxobutyric acid ethyl ester
A
ethyl (2-chloroaceto)acetate
Conditions | Yield |
---|---|
With iron pentacarbonyl In benzene at 80℃; Reformatsky-type addition; | A 75 % Chromat. B n/a |
n-hexan-2-one
4,4-dichloro-3-oxobutyric acid ethyl ester
A
ethyl (2-chloroaceto)acetate
B
ethyl acetoacetate
Conditions | Yield |
---|---|
With iron pentacarbonyl; water; N,N-dimethyl-formamide In benzene at 80℃; | A 40 % Chromat. B 16 % Chromat. |
Conditions | Yield |
---|---|
With iron pentacarbonyl; water In benzene at 80℃; | 65 % Chromat. |
4,4-dichloro-3-oxobutyric acid ethyl ester
benzaldehyde
A
ethyl (2-chloroaceto)acetate
B
ethyl 3-oxo-5-phenylpent-4-enoate
Conditions | Yield |
---|---|
With iron pentacarbonyl In benzene at 80℃; Reformatsky-type addition; | A 70 % Chromat. B n/a |
Conditions | Yield |
---|---|
Stage #1: 4-chloroacetoacetyl chloride; ethanol Industry scale; Stage #2: With sodium hydroxide In water Product distribution / selectivity; | |
In dichloromethane | 156.3 g |
O-methylresorcine
ethyl (2-chloroaceto)acetate
4-(chloromethyl)-7-methoxy-2H-chromen-2-one
Conditions | Yield |
---|---|
With methanesulfonic acid at 20℃; | 100% |
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.5h; Pechmann condensation reaction; | 96% |
With perchloric acid; sulfuric acid at 25℃; | 95.2% |
ethyl (2-chloroaceto)acetate
2-mercaptoacetophenone
3-Oxo-4-(2-oxo-2-phenyl-ethylsulfanyl)-butyric acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran | 100% |
ethyl (2-chloroaceto)acetate
4-fluorothiobenzamide
ethyl 2-(2-(4-fluorophenyl)thiazol-4-yl)acetate
Conditions | Yield |
---|---|
In ethanol for 4h; Heating; | 100% |
In ethanol for 5h; Reflux; Inert atmosphere; | 89% |
In ethanol for 7.5h; Reflux; | 89% |
ethyl (2-chloroaceto)acetate
3-chloro-4-methoxybenzenethiol
ethyl 4-(3'-chloro-4'-methoxyphenylthio)acetoacetate
Conditions | Yield |
---|---|
In pyridine; diethyl ether for 2h; Heating; | 100% |
ethyl (2-chloroaceto)acetate
ethyl (S)-4-chloro-3-hydroxybutanoate
Conditions | Yield |
---|---|
With formic acid; NAD; sodium formate; formate dehydrogenase In water at 30℃; for 3.5h; pH=6.5; | 100% |
With Escherichia coli BL21 (fdh, adh)-cells In water for 1h; pH=6.5; | 99.3% |
With hydrogen; (R)-[RuCl2(BINAP)]n In ethanol at 95 - 105℃; under 67506.8 - 75007.5 Torr; for 0.5 - 8h; Conversion of starting material; | 98% |
ethyl (2-chloroaceto)acetate
cyclohexanol
4-(Cyclohexyloxy)acetessigsaeure-ethylester
Conditions | Yield |
---|---|
Stage #1: cyclohexanol With sodium hydride In diethyl ether at 20℃; for 1.25h; Stage #2: ethyl (2-chloroaceto)acetate In diethyl ether at 20℃; | 100% |
With sodium hydride 1.) ether, 2 h, RT; 2.) 20 h, RT; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
at 20℃; for 24h; | 100% |
Conditions | Yield |
---|---|
at 20℃; for 24h; | 100% |
Conditions | Yield |
---|---|
at 20℃; for 24h; | 100% |
ethyl (2-chloroaceto)acetate
4-Bromoresorcinol
6-bromo-4-(chloromethyl)-7-hydroxy-2H-chromen-2-one
Conditions | Yield |
---|---|
In methanesulfonic acid at 25℃; for 2h; | 100% |
With methanesulfonic acid at 20℃; for 2h; Inert atmosphere; Darkness; | 91% |
With sulfuric acid Inert atmosphere; | 88% |
ethyl (2-chloroaceto)acetate
3,3-diphenylpropan-1-ol
(3,3-diphenylpropane-1-yl) 4-chloroacetoacetate
Conditions | Yield |
---|---|
In toluene at 130℃; | 100% |
In toluene |
ethyl (2-chloroaceto)acetate
2,4-dichlorobenzaldeyhde
(Z)-ethyl 4-chloro-2-(2,4-dichlorobenzylidene)-3-oxobutanoate
Conditions | Yield |
---|---|
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h; Knoevenagel Condensation; Inert atmosphere; | 100% |
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h; | |
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h; |
5-bromo-2-pyridylamine
ethyl (2-chloroaceto)acetate
ethyl 2-(6-bromoimidazo[1,2-a]pyridin-2-yl)acetate
Conditions | Yield |
---|---|
In ethanol for 4h; Reflux; Inert atmosphere; | 100% |
In toluene Reflux; | 24% |
In toluene at 115℃; for 18h; | |
In ethanol Heating / reflux; |
morpholinothiourea
ethyl (2-chloroaceto)acetate
ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate
Conditions | Yield |
---|---|
With triethylamine In ethanol at 80℃; for 3h; | 100% |
Stage #1: morpholinothiourea; ethyl (2-chloroaceto)acetate In ethanol at 80℃; for 3h; Stage #2: With water; sodium hydrogencarbonate | 100% |
morpholine-4-carboxylic acid amide
ethyl (2-chloroaceto)acetate
ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate
Conditions | Yield |
---|---|
In ethanol at 80℃; for 3h; | 100% |
ethyl (2-chloroaceto)acetate
phosphonic acid diethyl ester
ethyl 4-diethoxyphosphoryl-3-oxobutanoate
Conditions | Yield |
---|---|
With sodium hydride | 100% |
ethyl (2-chloroaceto)acetate
2-amino-5-chloro-3-hydroxypyridine
Conditions | Yield |
---|---|
With phosphoric acid at 110℃; for 2.5h; | 100% |
ethyl (2-chloroaceto)acetate
4,6-dimethyl-2-meraptopyrimidine
Conditions | Yield |
---|---|
With triethylamine at 0℃; for 0.5h; Reagent/catalyst; Temperature; | 100% |
ethyl (2-chloroaceto)acetate
ethyl (L)-4-chloro-3-hydroxybutyrate
Conditions | Yield |
---|---|
With D-glucose; β-keto ester reductase L-1; tris hydrochloride; NADPH at 30℃; for 48h; relative reaction rate; other β-keto esters; var. time; | 99% |
With D-glucose; tris hydrochloride at 30℃; for 48h; β-keto ester reductase L-1, NADPH, GDH; | 99% |
With D-glucose; YOL151W reductase In aq. phosphate buffer; toluene pH=6.7; Enzymatic reaction; | 98.7% |
3,5-dihydroxyphenol
ethyl (2-chloroaceto)acetate
4-chloromethyl-5,7-dihydroxy-chromen-2-one
Conditions | Yield |
---|---|
With methanesulfonic acid at 20℃; for 6h; | 99% |
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.0833333h; Pechmann condensation reaction; | 98% |
With yttrium(lll) nitrate hexahydrate at 90℃; for 0.2h; Pechmann Condensation; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.75h; Pechmann condensation reaction; | 99% |
With sulfuric acid; silica gel at 80℃; for 1h; Pechmann condensation reaction; | 96% |
With ammonium cerium(IV) nitrate; silica gel for 0.05h; Pechmann reaction; microwave irradiation; | 96% |
ethyl (2-chloroaceto)acetate
3-methoxybenzenethiol
3-methoxybenzenethiol
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 0 - 20℃; for 2h; | 99% |
With potassium hydroxide In methanol at 20℃; for 6h; | |
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 2.16667h; |
2-aminopyridine
ethyl (2-chloroaceto)acetate
2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one
Conditions | Yield |
---|---|
With PPA at 120℃; for 2h; | 99% |
With polyphosphate at 45 - 125℃; for 2h; | 67% |
In PPA; (2S)-N-methyl-1-phenylpropan-2-amine hydrate | |
In PPA; (2S)-N-methyl-1-phenylpropan-2-amine hydrate | |
Stage #1: 2-aminopyridine; ethyl (2-chloroaceto)acetate at 125℃; for 5h; Stage #2: With sodium hydroxide In water pH=6 - 7; Cooling with ice; |
ethyl (2-chloroaceto)acetate
2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one
Conditions | Yield |
---|---|
Stage #1: 2-aminopyridine With PPA at 120℃; Stage #2: ethyl (2-chloroaceto)acetate at 120℃; for 2h; | 99% |
ethyl (2-chloroaceto)acetate
4-methyl resorcinol
4-(chloromethyl)-7-hydroxy-6-methyl-2H-chromen-2-one
Conditions | Yield |
---|---|
Stage #1: ethyl (2-chloroaceto)acetate With sulfuric acid at 0℃; Stage #2: 4-methyl resorcinol at 20℃; | 99% |
With sulfuric acid at 0 - 20℃; | 99% |
With sulfuric acid at 0 - 20℃; for 24h; Pechmann Condensation; | 73% |
Conditions | Yield |
---|---|
With 4-toluenesulfonyl azide In tetrahydrofuran at 20 - 25℃; | 99% |
ethyl (2-chloroaceto)acetate
anthranilic acid amide
2-(chloromethyl)quinazolin-4(3H)-one
Conditions | Yield |
---|---|
With ethanolamine-phosphoric acid functionalized polyacrylonitrile fibers (PANEAPF) In water at 100℃; for 15h; Green chemistry; | 99% |
ethyl (2-chloroaceto)acetate
2-hydroxyresorcinol
4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one
Conditions | Yield |
---|---|
zirconium(IV) chloride at 20℃; for 0.0833333h; | 98% |
With ammonium cerium(IV) nitrate; silica gel for 0.0333333h; Pechmann reaction; microwave irradiation; | 96% |
With bispyridine cobalt(II) chloride for 0.05h; Pechmann condensation; Microwave irradiation; neat (no solvent); | 95% |
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