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inquiryProduct description: Product name Diethyl butylmalonate CAS number 133-08-4 Assay ≥99% Appearance Colorless transparent liquid Capacity 2000mt/year Application Pharmaceutical
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Name: Diethyl n-butylmalonate Synonyms: Diethyl n-butylmalonate;Butylmalonic Acid Diethyl Ester; Diethyl 2-butylpropanedioate;Diethyl ButylMalonate CAS NO.:133-08-4 EINECS NO: 205-089-1 Molecular Formula:C11H20O4 Molecular Weight:216.27400 Appea
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Conditions | Yield |
---|---|
With potassium carbonate; perhydrodibenzo-18-crown-6; Aliquat In toluene at 80℃; for 5h; | 92% |
With 18-crown-6 ether; Hexamethyldisiloxane; Aliquat 336; potassium carbonate at 90℃; for 4h; Solvent; Inert atmosphere; Green chemistry; | 88% |
With sodium ethanolate In ethanol for 2h; Heating; | 87% |
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With copper(l) chloride for 1.5h; Large scale; Stage #2: N-butylamine for 10h; Time; Reflux; Large scale; | 92% |
1-bromo-butane
diethyl malonate
A
diethyl dibutylmalonate
B
diethyl butylmalonate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol | A 4% B 75% |
tetrabutyl phosphonium bromide; potassium carbonate at 170℃; under 20 Torr; Product distribution; other catalysts, other compounds, other products; |
Conditions | Yield |
---|---|
With tributylphosphine; 4,7-dimethyl-3,5,7-hexahydro-1,2,4,7-tetrazocin-3,8-dione In benzene for 24h; Ambient temperature; | 64% |
With tributylphosphine; 1,1'-azodicarbonyl-dipiperidine In benzene 1) 0 deg C, 10 min, 2) RT, 24 h; | 21% |
1-bromo-butane
sodium diethylmalonate
diethyl butylmalonate
Conditions | Yield |
---|---|
With ethanol Darst.; |
diethyl butylidenemalonate
diethyl butylmalonate
Conditions | Yield |
---|---|
With ethanol; nickel under 73550.8 - 95616 Torr; Hydrogenation; | |
With palladium on activated charcoal; ethanol under 73550.8 - 147102 Torr; Hydrogenation; | |
With diethyl ether; nickel under 73550.8 - 95616 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With sodium ethanolate at 50 - 60℃; under 100 Torr; unter Abdestillieren des entstehenden Aethanols und Erhitzen des Reaktinsprodukts unter vermindertem Druck auf 160grad; |
Ethyl hexanoate
sodium ethanolate
Diethyl carbonate
B
diethyl butylmalonate
Ethyl hexanoate
Diethyl carbonate
A
ethyl-butyl-malonic acid diethyl ester
B
diethyl butylmalonate
Conditions | Yield |
---|---|
With sodium ethanolate | |
With sodium ethanolate |
(4E)-ethyl 2-ethoxycarbonyl-2,4-hexadienoate
diethyl butylmalonate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal |
Conditions | Yield |
---|---|
(i) Na, Et2O, (ii) /BRN= 1730909/; Multistep reaction; | |
K2CO3+5percent Carbowax 6000 at 170℃; under 20 Torr; Yield given; | |
With ethanol; 4-tert-Butylcatechol; sodium for 2h; Heating; |
1-iodo-butane
diethyl malonate
A
diethyl dibutylmalonate
B
diethyl butylmalonate
Conditions | Yield |
---|---|
K2CO3+5percent Carbowax 6000 at 170℃; under 20 Torr; Yield given. Yields of byproduct given; |
n-butyl methanesulfonate
diethyl malonate
A
diethyl dibutylmalonate
B
diethyl butylmalonate
Conditions | Yield |
---|---|
K2CO3+5percent Carbowax 6000 at 170℃; under 20 Torr; Yield given. Yields of byproduct given; |
Diethyl carbonate
A
ethyl-butyl-malonic acid diethyl ester
B
diethyl butylmalonate
Conditions | Yield |
---|---|
With sodium ethanolate beim Abdestillieren des entstehenden Aethanols; | |
With sodium ethanolate beim Abdestillieren des entstehenden Aethanols; |
ethanol
butyl-dichloromethyl-malonic acid diethyl ester
sodium ethanolate
A
diethyl butylmalonate
Conditions | Yield |
---|---|
With dibromobis(triphenylphosphine)nickel(II); triethylaluminum In toluene at 20℃; for 24h; Product distribution; Further Variations:; Reagents; Reaction partners; time; | 92 % Spectr. |
With triethylaluminum; Fe(III)bis(imidazolonyl)pyridine)Cl3 In toluene at 20℃; for 24h; | 59 % Spectr. |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: naphthalen-2-yl-phenyl-amine / diethyl ether 2: H2 / Pd-C View Scheme |
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran; paraffin oil at 0 - 20℃; for 0.5h; Stage #2: n-butyl halide In tetrahydrofuran; paraffin oil at 20℃; for 3h; |
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: 1-iodo-butane In tetrahydrofuran; N,N-dimethyl-formamide for 24h; Reflux; |
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium tetrahydroborate; lithium chloride In tetrahydrofuran; ethanol at 20 - 30℃; for 1.5h; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water at 20℃; for 1h; | 99% |
With lithium aluminium tetrahydride In diethyl ether at 20℃; for 3.33333h; Reflux; | 92% |
With lithium aluminium tetrahydride | 88% |
1-methoxy-2,2,6,6-tetramethylpiperidin-4-ol
diethyl butylmalonate
di-(1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl) n-butylmalonate
Conditions | Yield |
---|---|
With acetic acid In 5,5-dimethyl-1,3-cyclohexadiene; n-heptane | 98% |
5-oxabicyclo<2.2.0>hex-2-en-6-one
diethyl butylmalonate
(1S,4S)-4-(1-ethoxy-2-(ethoxycarbonyl)-1-oxohexan-2-yl)cyclobut-2-enecarboxylic acid
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium hydride In tetrahydrofuran; mineral oil at 20℃; Inert atmosphere; Stage #2: 5-oxabicyclo<2.2.0>hex-2-en-6-one With bis(η3-allyl-μ-chloropalladium(II)); (R)-4-(tert-butyl)-2-(2-(diphenylphosphino)phenyl)-4,5-dihydrooxazole In tetrahydrofuran; diethyl ether; mineral oil at 40℃; for 1.5h; Inert atmosphere; stereoselective reaction; | 98% |
diethyl butylmalonate
butyl propanediamide
Conditions | Yield |
---|---|
With ammonia In methanol Ambient temperature; | 97% |
With methanol; ammonia; sodium methylate | |
With ammonia |
guanidine hydrochloride
diethyl butylmalonate
2-amino-5-butylpyrimidine-4,6-diol
Conditions | Yield |
---|---|
Stage #1: guanidine hydrochloride; diethyl butylmalonate With sodium In ethanol at 20℃; for 4h; Inert atmosphere; Stage #2: In ethanol for 1h; Inert atmosphere; Reflux; | 97% |
With sodium In ethanol Inert atmosphere; | 97% |
With sodium carbonate In water at 60℃; for 0.5h; Reagent/catalyst; Sonication; | 72% |
5-oxabicyclo<2.2.0>hex-2-en-6-one
diethyl butylmalonate
(1R,4S)-4-(1-ethoxy-2-(ethoxycarbonyl)-1-oxohexan-2-yl)cyclobut-2-enecarboxylic acid
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium hydride In tetrahydrofuran; mineral oil at 20℃; Inert atmosphere; Stage #2: 5-oxabicyclo<2.2.0>hex-2-en-6-one With bis(η3-allyl-μ-chloropalladium(II)); C83H118NO8P In tetrahydrofuran; diethyl ether; mineral oil at 0℃; for 1h; Inert atmosphere; stereoselective reaction; | 96% |
2,6-Diaminopyridine
diethyl butylmalonate
7-amino-3-n-butyl-1,2-dihydro-4-hydroxy-2-oxo-1,8-naphthyridine
Conditions | Yield |
---|---|
In diphenylether for 0.5h; Heating; | 95% |
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: 3-chloromethylbenzothiophene In N,N-dimethyl-formamide at 20℃; for 4h; | 95% |
Conditions | Yield |
---|---|
In diphenylether Heating; | 95% |
2-Amino-4-methylpyridine
diethyl butylmalonate
3-n-Butyl-8-methyl-4H-pyrido<1,2-a>pyrimidine-2,4-dione
Conditions | Yield |
---|---|
In ethanol at 160 - 180℃; | 93% |
diethyl butylmalonate
1,4-bis(4-methylaminophenoxy)butane
C32H40N2O6
Conditions | Yield |
---|---|
1.) 180-200 deg C, 0.5 h, 2.) 270-285 deg C; | 93% |
diethyl butylmalonate
diethyl 2-butyl-2-hydroxymalonate
Conditions | Yield |
---|---|
With iodine; sodium acetate In tetrahydrofuran; water at 35℃; for 5h; Time; Irradiation; Green chemistry; | 93% |
1-amino-naphthalene
diethyl butylmalonate
3-butyl-4-hydroxybenzo[h]quinolin-2(1H)-one
Conditions | Yield |
---|---|
at 180℃; | 93% |
diethyl butylmalonate
4-benzyloxybenzyl chloride
diethyl 2-(4-benzyloxybenzyl)-2-butylmalonate
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium hydride In N,N-dimethyl-formamide; toluene at 40℃; Stage #2: 4-benzyloxybenzyl chloride In N,N-dimethyl-formamide; toluene at 20℃; | 92% |
anthracenylmethyl chloride
diethyl butylmalonate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran Heating; | 92% |
2,5-dibromomethyl-p-xylene
diethyl butylmalonate
2-[4-(2,2-bis-ethoxycarbonyl-hexyl)-2,5-dimethylbenzyl]-2-butylmalonic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: diethyl butylmalonate With sodium ethanolate In ethanol at 20℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-dibromomethyl-p-xylene In ethanol for 3h; Reflux; Inert atmosphere; | 92% |
Stage #1: diethyl butylmalonate With sodium In ethanol at 20℃; for 0.5h; Inert atmosphere; Stage #2: 2,5-dibromomethyl-p-xylene In ethanol for 3h; Inert atmosphere; Reflux; | 92% |
Conditions | Yield |
---|---|
Heating; | 91% |
diethyl butylmalonate
butyl-chloro-malonic acid diethyl ester
Conditions | Yield |
---|---|
With manganese triacetate; lithium chloride In acetic acid for 0.683333h; Heating; | 90% |
With chlorine at 80℃; |
(5-methyl-pyridin-2-yl)amine
diethyl butylmalonate
3-butyl-7-methyl-pyrido[1,2-a]pyrimidine-2,4-dione
Conditions | Yield |
---|---|
In ethanol at 160 - 180℃; | 89% |
Conditions | Yield |
---|---|
With water; sodium hydroxide Reflux; | 89% |
With sodium hydroxide In water at 20℃; for 4h; Reflux; | 85% |
With sodium hydroxide In water for 4h; Reflux; | 71% |
6H-6-oxo-3-bromo-5-(p-toluidino)anthra<1,9-cd>isoxazole
diethyl butylmalonate
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 30 - 35℃; for 20h; | 87% |
2-Methylpyrimido<1,6-a>benzimidazole-1,3-(2H,5H)-dione
diethyl butylmalonate
4-Hydroxy-2-methyl-5-butyl-1H,6H-2,6a,10b-triazafluoranthene-1,3,6(2H)-trione
Conditions | Yield |
---|---|
With trichlorophenol at 280℃; for 0.5h; | 87% |
Conditions | Yield |
---|---|
1.) 180-200 deg C, 0.5 h, 2.) 270-285 deg C; | 87% |
diethyl butylmalonate
7,9-dimethyl-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3-ylamine
4-hydroxy-7,9-dimethyl-3-(n-butyl)pyrido[3',2':4,5]thieno[2,3-e]pyrimido[3,2-c]pyrimidin-2-one
Conditions | Yield |
---|---|
In diphenylether Reflux; | 86% |
(ethynylsulfonyl)benzene
diethyl butylmalonate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran 1.) 25 deg C, 1 h; 2.) -78 deg C, 2 h; 3.) 20 deg C, 12 h; | 85% |
ethylenediamine
diethyl butylmalonate
N1,N3‐bis(2‐aminoethyl)‐2‐butylmalondiamide
Conditions | Yield |
---|---|
for 72h; Ambient temperature; | 85% |
Conditions | Yield |
---|---|
In diphenylether at 200 - 220℃; | 85% |
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