ethylene dibromide
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 98% |
With potassium carbonate; [bmim]Br In N,N-dimethyl-formamide at 20 - 70℃; | 94% |
With tetra(n-butyl)ammonium hydrogensulfate; potassium carbonate In dimethyl sulfoxide at 20℃; for 24h; Alkylation; Cyclization; | 92% |
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 21℃; for 12h; | 97% |
1,2-dichloro-ethane
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide Reflux; | 93% |
With water; potassium carbonate; tetrabutylammomium bromide In benzene at 80℃; for 12h; | 85% |
With tetrabutylammomium bromide; potassium carbonate at 120℃; Concentration; Temperature; | 83.47% |
potassium carbonate
ethylene dibromide
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide | 88.7% |
1,2-Diiodoethane
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium hydrogencarbonate Reflux; | 80.77% |
S-Ethenyl-S-(4-methylphenyl)-N-tolylsulfilimine
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; for 24h; Addition; | 76% |
S-ethenyl-S-phenyl-N-(toluene-4-sulfonyl)sulfilimine
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; for 24h; Addition; | 35% |
ethylene dibromide
diethyl malonate
A
oxirane
B
diethyl cyclopropane-1,1-dicarboxylate
C
ethylene glycol
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In N,N-dimethyl-formamide electrolysis; | A n/a B 13% C n/a |
pyridine
diethyl 2-(2-bromoethyl)-malonate
acetyl chloride
toluene
diethyl cyclopropane-1,1-dicarboxylate
diethyl 2-(2-bromoethyl)-malonate
sodium ethanolate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With sulfuric acid; benzene |
Conditions | Yield |
---|---|
With hydrogenchloride; ethanol |
sodium diethylmalonate
1,2-dichloro-ethane
A
butane-1,1,4,4-tetracarboxylic acid
B
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
entsteht der Tetraaethylester; man isoliert den Ester durch fraktionierte Destillation im Vakuum; |
sodium diethylmalonate
1,2-dichloro-ethane
A
butane-1,1,4,4-tetracarboxylic acid tetraethyl ester
B
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
man isoliert durch fraktionierte Destillation im Vakuum; |
diethyl acetylmalonate
sodium ethanolate
ethylene dibromide
diethyl cyclopropane-1,1-dicarboxylate
diethyl acetylmalonate
ethylene dibromide
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With sodium ethanolate |
diethyl 2-chloroethylmalonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With potassium tert-butylate In tert-butyl alcohol at 25℃; Rate constant; other reaction partners, other solvents; | |
With sodium ethanolate In ethanol | |
With potassium carbonate In ethanol Heating; |
diethyl 2-(2-bromoethyl)-malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With potassium tert-butylate In tert-butyl alcohol at 25℃; Rate constant; other reaction partners, other solvents; | |
With sodium ethanolate In ethanol |
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol |
vinyl isocyanide
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With copper(I) oxide In benzene at 80℃; for 7h; |
Conditions | Yield |
---|---|
With sulfuryl dichloride; Dimethyldisulphide; sodium ethanolate; dimethyl sulfate Yield given. Multistep reaction; |
diethyl ether
diethyl 2-(2-bromoethyl)-malonate
acetyl chloride
diethyl cyclopropane-1,1-dicarboxylate
diethyl ether
diethyl 2-(2-bromoethyl)-malonate
ammonia
A
Cyclopropan-1-carbonsaeureethylester-1-carbonsaeureamid
B
diethyl cyclopropane-1,1-dicarboxylate
C
cyclopropane-1,1-dicarboxylic acid amide [4-(3-fluoro-benzyloxy)-phenyl]-amide
hydrogenchloride
ethanol
1-carbethoxy-1-cyanocyclopropane
diethyl cyclopropane-1,1-dicarboxylate
hydrogenchloride
ethanol
1-carbethoxy-1-cyanocyclopropane
A
diethyl 2-chloroethylmalonate
B
diethyl cyclopropane-1,1-dicarboxylate
sodium diethylmalonate
ethylene dibromide
A
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: alcoholic sodium ethylate 2: HCl; absolute alcohol View Scheme |
1,2-dichloro-ethane
diethyl malonate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate |
diethyl methylenemalonate
dimethylsulfoxonium methylide
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
In tetrahydrofuran; mineral oil at 20 - 50℃; for 4.5h; Inert atmosphere; |
diethyl cyclopropane-1,1-dicarboxylate
[1-(hydroxymethyl)cyclopropyl]methanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran for 16h; Reduction; Heating; | 99% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; | 88% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 0.5h; | 87% |
diethyl cyclopropane-1,1-dicarboxylate
2-methyl-6-iodobenzoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: 2-methyl-6-iodobenzoic acid methyl ester With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 99% |
methyl 3-iodobiphenyl-2-carboxylate
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
Stage #1: methyl 3-iodobiphenyl-2-carboxylate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 99% |
diethyl cyclopropane-1,1-dicarboxylate
methyl 2-iodo-5-methoxybenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 2-iodo-5-methoxybenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 99% |
diethyl cyclopropane-1,1-dicarboxylate
methyl 2-iodo-4-methylbenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 2-iodo-4-methylbenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 99% |
diethyl cyclopropane-1,1-dicarboxylate
methylenecyclohexane
diethyl spiro<4.5>decane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With ethylaluminum dichloride In hexane; 1,2-dichloro-ethane for 48h; Ambient temperature; | 98% |
diethyl cyclopropane-1,1-dicarboxylate
5-bromo-2-iodo-benzoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: 5-bromo-2-iodo-benzoic acid methyl ester With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 98% |
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
Stage #1: ethyl 5-methyl-2-iodobenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 97% |
diethyl cyclopropane-1,1-dicarboxylate
diethyl 2-(2-bromoethyl)-malonate
Conditions | Yield |
---|---|
With hydrogen bromide at 20℃; | 95% |
With hydrogen bromide at 0℃; |
diphenyl diselenide
diethyl cyclopropane-1,1-dicarboxylate
diethyl 2-phenylselenoethylmalonate
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 0℃; for 18h; | 95% |
With sodium tetrahydroborate In ethanol at 20℃; for 24h; Inert atmosphere; | 77% |
diethyl cyclopropane-1,1-dicarboxylate
sodium phenylselenide
diethyl 2-phenylselenoethylmalonate
Conditions | Yield |
---|---|
In ethanol for 18h; Ambient temperature; | 95% |
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
Stage #1: methyl 3-fluoro-6-iodobenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 95% |
diethyl cyclopropane-1,1-dicarboxylate
dimethyl 2-iodoterephthalate
Conditions | Yield |
---|---|
Stage #1: dimethyl 2-iodoterephthalate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 95% |
diethyl cyclopropane-1,1-dicarboxylate
1,1-cyclopropanedicarboxylic acid monoethyl ester
Conditions | Yield |
---|---|
Stage #1: diethyl cyclopropane-1,1-dicarboxylate With sodium hydroxide; water In ethanol for 16h; Stage #2: With hydrogenchloride In water | 94% |
With ethanol; potassium hydrogencarbonate at 0 - 30℃; for 15h; Reagent/catalyst; | 93% |
Stage #1: diethyl cyclopropane-1,1-dicarboxylate With sodium hydroxide; water In ethanol at 20℃; Stage #2: With hydrogenchloride In water | 91% |
diethyl cyclopropane-1,1-dicarboxylate
methyl 2-iodo-5-methylbenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 2-iodo-5-methylbenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 94% |
Conditions | Yield |
---|---|
With C8H18BrI2Sn(2-)*BrMg(1+) In 1,2-dichloro-ethane at 25℃; for 24h; Catalytic behavior; Reagent/catalyst; Solvent; Inert atmosphere; | 92% |
diethyl cyclopropane-1,1-dicarboxylate
ethyl 1-(hydroxymethyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With lithium tri(t-butoxy)aluminum hydride In tetrahydrofuran at 23 - 65℃; for 24h; | 91% |
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at 65℃; for 24h; | 91% |
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at 65℃; for 24h; | 91% |
diethyl cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
Stage #1: methyl 3-iodo-1-benzothiophene-2-carboxylate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 90% |
Conditions | Yield |
---|---|
With samarium diiodide; tris(dibenzoylmethano)iron(III); tert-butyl alcohol In tetrahydrofuran for 0.5h; Ambient temperature; | 89% |
With hydrogen; palladium on activated charcoal In methanol Product distribution; | |
With (5,10,15,20-tetrakis-4-tolylporphyrinato)(methyl)rhodium(III); isopropyl alcohol In benzene-d6 at 200℃; for 48h; Darkness; Sealed tube; regioselective reaction; | 14 %Spectr. |
ethylidenecyclohexane
diethyl cyclopropane-1,1-dicarboxylate
diethyl 4-methylspiro<4.5>decane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With ethylaluminum dichloride In hexane; 1,2-dichloro-ethane for 50h; Ambient temperature; | 87% |
diethyl cyclopropane-1,1-dicarboxylate
acetic anhydride
diethyl (2-acetoxyethyl)malonate
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane for 1.5h; Ambient temperature; | 85% |
diethyl cyclopropane-1,1-dicarboxylate
cyclopropane-1,1-dicarbonyl peroxide
Conditions | Yield |
---|---|
With methanesulfonic acid; urea hydrogen peroxide adduct for 24h; | 85% |
diethyl cyclopropane-1,1-dicarboxylate
methyl 2-iodo 4-chlorobenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 4-chloro-2-iodobenzoate With TurboGrignard In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Sealed tube; Stage #2: diethyl cyclopropane-1,1-dicarboxylate With 1,3-dimethyl-2-imidazolidinone; copper(I) iodide dimethyl sulfide complex In tetrahydrofuran; 2-methyltetrahydrofuran at -78 - 23℃; Inert atmosphere; Sealed tube; | 85% |
Conditions | Yield |
---|---|
With ytterbium(III) triflate In acetonitrile at 70℃; under 6000480 Torr; for 120h; | 83% |
Conditions | Yield |
---|---|
With C8H18BrI2Sn(2-)*BrMg(1+) In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With ytterbium(III) triflate In acetonitrile at 70℃; under 6000480 Torr; for 120h; | 81% |
The Diethyl cyclopropane-1,1-dicarboxylate is an organic compound with the formula C9H14O4. The IUPAC name of this chemical is diethyl cyclopropane-1,1-dicarboxylate. With the CAS registry number 1559-02-0, it is also named as 1,1-cyclopropanedicarboxylic acid, diethyl ester. The product's categories are Cyclopropanes; Simple 3-Membered Ring Compounds; Cycloalkanes; C8 to C9; Carbonyl Compounds; Esters. Besides, it is a clear colorless liquid, which should be stored in a cool and dry place.
Physical properties about Diethyl cyclopropane-1,1-dicarboxylate are: (1)ACD/LogP: 1.18; (2)ACD/LogD (pH 5.5): 1.18; (3)ACD/LogD (pH 7.4): 1.18; (4)ACD/BCF (pH 5.5): 4.67; (5)ACD/BCF (pH 7.4): 4.67; (6)ACD/KOC (pH 5.5): 104.94; (7)ACD/KOC (pH 7.4): 104.94; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 6; (10)Polar Surface Area: 52.6 Å2; (11)Index of Refraction: 1.473; (12)Molar Refractivity: 44.9 cm3; (13)Molar Volume: 159.9 cm3; (14)Polarizability: 17.8×10-24cm3; (15)Surface Tension: 42.4 dyne/cm; (16)Density: 1.164 g/cm3; (17)Flash Point: 86.7 °C; (18)Enthalpy of Vaporization: 45.56 kJ/mol; (19)Boiling Point: 219.2 °C at 760 mmHg; (20)Vapour Pressure: 0.121 mmHg at 25°C.
Preparation: this chemical can be prepared by 1,2-dibromo-ethane and malonic acid diethyl ester. This reaction will need reagent NaOEt and solvent ethanol. The yield is about 52%.
Uses of Diethyl cyclopropane-1,1-dicarboxylate: it can be used to produce cyclopropane-1,1-diyl-bis-methanol. It will need reagent LiAlH4 and diethyl ether.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) and avoid contact with skin and eyes In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCC)C1(C(=O)OCC)CC1
(2)InChI: InChI=1/C9H14O4/c1-3-12-7(10)9(5-6-9)8(11)13-4-2/h3-6H2,1-2H3
(3)InChIKey: KYYUCZOHNYSLFV-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C9H14O4/c1-3-12-7(10)9(5-6-9)8(11)13-4-2/h3-6H2,1-2H3
(5)Std. InChIKey: KYYUCZOHNYSLFV-UHFFFAOYSA-N
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