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inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
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Diethyl allylmalonate cas 2049-80-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryallyl bromide
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With tetrabutyl-ammonium chloride; potassium carbonate In dichloromethane; water at 80℃; for 45h; | 100% |
98% | |
With P(MeNCH2CH2)3N In hexane; acetonitrile at 25℃; for 0.5h; | 94% |
Allyl acetate
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With palladium diacetate; potassium fluoride on basic alumina for 0.0833333h; Trost-Tsuji reaction; microwave irradiation; | 98% |
With C29H29N2O2PPd; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Reagent/catalyst; Tsuji-Trost Allylation; Schlenk technique; Inert atmosphere; | 77% |
With potassium fluoride on basic alumina; 1,2-bis-(diphenylphosphino)ethane; bis[1,2-bis(diphenylphosphino)ethane]palladium(0) In tetrahydrofuran for 4.5h; Ambient temperature; | 75% |
allyl alcohol
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With pyridine; magnesium sulfate; 1,2-(p-MeOC6H4)2cyclobuten[=P(2,4,6-tri-t-BuPh)]2PdOTf at 50℃; for 12h; | 92% |
With [bis(methyldiphenylsilyl)methyl]diphenylphosphine; pyridine; tetrabutyl ammonium fluoride; tris(dibenzylideneacetone)dipalladium (0) In 1,4-dioxane at 100℃; for 8h; Tsuji-Trost reaction; | 86% |
Allyl acetate
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With C33H33N2O4PPd; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Reagent/catalyst; Tsuji-Trost Allylation; Schlenk technique; Inert atmosphere; | A 91% B 8% |
With C48H47ClN2P2Pd(1+); potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Reagent/catalyst; Tsuji-Trost Allylation; Schlenk technique; Inert atmosphere; | A 22% B 78% |
With aluminum oxide; triphenylphosphine; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran for 40h; Ambient temperature; | A 70% B 15% |
3-chloroprop-1-ene
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetonitrile at 50℃; for 7h; | 87% |
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetonitrile for 7h; | 87% |
Phenyl-phosphonothioic acid S-allyl ester O-ethyl ester
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) at 80℃; for 0.666667h; Product distribution; | A 87% B 13% |
triethyl pent-4-ene-1,2,2-tricarboxylate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With sodium ethanolate In tetrahydrofuran for 1h; Inert atmosphere; | 87% |
allyl methyl carbonate
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With triphenylphosphine In water at 50℃; for 24h; | A 84% B 4% |
With triphenylphosphine; Pd-Gr In tetrahydrofuran; dodecane for 4h; Heating; Title compound not separated from byproducts; | A 41 % Chromat. B 3 % Chromat. |
With tris-(dibenzylideneacetone)dipalladium(0); 2,2’-(methylenedisulfanediyl)bis(1,3-benzothiazole) In tetrahydrofuran at 70℃; for 2h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Tsuji-Trost Allylation; chemoselective reaction; |
Conditions | Yield |
---|---|
With sodium hydride In toluene at 20℃; for 16h; | 82% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran | 80% |
lithium diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
In N,N,N,N,N,N-hexamethylphosphoric triamide; diethyl ether for 1.5h; -78 deg C -> r.t.; Title compound not separated from byproducts; | A 13% B 76% |
allyl bromide
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran at 0℃; for 0.25h; Stage #2: allyl bromide In tetrahydrofuran at 0 - 25℃; for 14h; Further stages.; | A 24% B 76% |
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran at 0 - 20℃; for 1h; Stage #2: allyl bromide at 20℃; for 12h; Inert atmosphere; | A 68% B n/a |
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran at 0℃; for 1h; Stage #2: allyl bromide In tetrahydrofuran at 20℃; for 12h; | A 68% B 12% |
acetone O-<(allyloxy)-carbonyl>oxime
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
ethyl-diphenyl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 1h; Ambient temperature; | A 75% B 3% |
C12H13NO3
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
ethyl-diphenyl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 1.5h; Product distribution; Ambient temperature; variation of allylating agents, solvent, temperature and reaction time.; | A 75% B 14% |
ethyl-diphenyl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 1.5h; Ambient temperature; | A 75% B 14% |
1-phenylethyl cyanide
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With potassium carbonate; Pd(PhCH=CH)2CO>2CO; 1,2-bis-(diphenylphosphino)ethane In N,N-dimethyl-formamide Ambient temperature; | A 74% B 26% |
diethyl malonate
allyl-trimethyl-silane
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In methanol for 4h; Ambient temperature; | 74% |
With ammonium cerium (IV) nitrate In methanol | 57% |
Allyl ethyl phenylphosphonothionate
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
C
Phenyl-phosphonothioic acid S-allyl ester O-ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) at 80℃; for 0.333333h; Product distribution; | A 25% B 2% C 73% |
allyl iodid
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With cerium oxide nanoparticle In water at 20℃; for 12h; Green chemistry; | 72% |
Stage #1: diethyl malonate With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 1h; Stage #2: allyl iodid In tetrahydrofuran for 24h; Reflux; |
3-chloroprop-1-ene
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With potassium tert-butylate In N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: 3-chloroprop-1-ene In N,N-dimethyl-formamide at 20℃; for 12h; | A 70% B 5% |
With potassium hydroxide; polyethylene glycol Alkylation; | A 42.5% B n/a |
With potassium hydroxide; water; cetyltrimethylammonim bromide for 1h; Alkylation; | A 30.9% B n/a |
With ethanol; sodium |
allyltributylstanane
Diethyl 2-bromomalonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With [Cu(2,9-bis(4-methoxyphenyl)-1,10-phenanthroline)2]Cl In acetonitrile for 4.5h; Irradiation; Inert atmosphere; | 70% |
Diethyl 2-bromomalonate
allyl-trimethyl-silane
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With fac-tris[2-phenylpyridinato-C2,N]iridium(III) In acetonitrile at 20 - 30℃; for 24h; Inert atmosphere; Irradiation; | 70% |
With C44H29CuN4O3P(1+)*BF4(1-) In acetonitrile at 20℃; Reagent/catalyst; UV-irradiation; | 64% |
C10H15NO3
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
ethyl-diphenyl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 3h; Ambient temperature; | A 69% B 2% |
4-nitro-benzaldehyde-(O-allyl-seqtrans-oxime )
diethyl malonate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With sodium diethylmalonate; ethyl-diphenyl-phosphane; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 100℃; for 24h; | 67% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; eosin y In methanol at 20℃; Irradiation; | 67% |
sodium diethylmalonate
N,N,N-triethylprop-2-en-1-aminium bromide
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran for 24h; Ambient temperature; | A 62% B 13% |
sodium diethylmalonate
Allyl acetate
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
diiron nonacarbonyl In tetrahydrofuran at 20℃; for 120h; | 61% |
allyl alcohol
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With acetic acid; tetrakis(triphenylphosphine) palladium(0) at 100℃; for 0.166667h; | A 61% B 30% |
With 1,1'-bis-(diphenylphosphino)ferrocene; nickel(II) bromide trihydrate; tetrabutylammonium acetate; zinc In N,N-dimethyl acetamide at 50℃; for 66h; Inert atmosphere; | A 45% B 6% |
With bis(1,5-cyclooctadiene)nickel (0); 1,4-di(diphenylphosphino)-butane In toluene at 105℃; for 17h; Reagent/catalyst; Temperature; Inert atmosphere; Schlenk technique; | A 20 %Chromat. B 63 %Chromat. |
Conditions | Yield |
---|---|
With iodine In dimethyl sulfoxide at 60℃; for 0.5h; Acidic conditions; | 57% |
With tris(triphenylphosphine)ruthenium(II) chloride; triethylaluminum In toluene at 20℃; for 36h; | 91 % Spectr. |
With triethylaluminum; Fe(III)bis(imidazolonyl)pyridine)Cl3 In toluene at 20℃; for 24h; | 13 % Spectr. |
allyl (N-phenyl)benzimidate
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With 1,2-bis-(diphenylphosphino)ethane; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide for 4h; Ambient temperature; | A 55% B 28% |
1-amino-2-propene
diethyl malonate
A
(2-propenyl)propanedioic acid diethyl ester
B
diallylmalonic acid diethyl ester
Conditions | Yield |
---|---|
With nickel(II) bromide trihydrate; 1,4-di(diphenylphosphino)-butane; zinc In N,N-dimethyl-formamide at 80℃; for 22h; Inert atmosphere; | A 55% B 20% |
(2-propenyl)propanedioic acid diethyl ester
ethyl (±)-4,5-epoxy-2-(ethoxycarbonyl)pentanoate
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 15h; Ambient temperature; | 100% |
With 3-chloro-benzenecarboperoxoic acid In chloroform for 12h; Ambient temperature; | 98% |
With potassium peroxymonosulfate sulfate In aq. phosphate buffer; water; ethyl acetate; acetone at 20℃; pH=8; | 86% |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol | 100% |
With sodium hydroxide In methanol; dichloromethane at 20℃; for 1h; | 87% |
With lithium aluminium tetrahydride In tetrahydrofuran | 85% |
(2-propenyl)propanedioic acid diethyl ester
methylenecyclopentane
diethyl 4-methylenespiro<4.4>nonane-2,2-dicarboxylate
Conditions | Yield |
---|---|
With copper diacetate; manganese triacetate In acetic acid at 70 - 75℃; for 24h; | 100% |
N-(bromomethyl)phtalimide
(2-propenyl)propanedioic acid diethyl ester
diethyl 2‐allyl‐2‐phthalimidomethylmalonate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 0 - 25℃; Inert atmosphere; Stage #2: N-(bromomethyl)phtalimide In tetrahydrofuran at 0 - 25℃; Inert atmosphere; | 100% |
formaldehyd
(2-propenyl)propanedioic acid diethyl ester
diethyl 2-allyl-2-(hydroxymethyl)malonate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 0 - 20℃; for 20h; | 99% |
With sodium hydrogencarbonate In ethanol; water at 0 - 20℃; for 20h; | 99% |
With potassium carbonate In dimethyl sulfoxide for 168h; Ambient temperature; | 13% |
(2-propenyl)propanedioic acid diethyl ester
1-bromo-2-heptyne
diethyl 2-allyl-2-(hept-2-yn-1-yl)malonate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 1h; Inert atmosphere; Stage #2: 1-bromo-2-heptyne In tetrahydrofuran; mineral oil at 0 - 20℃; for 12h; Inert atmosphere; | 99% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 20℃; Stage #2: 1-bromo-2-heptyne In tetrahydrofuran at 20℃; for 12h; Further stages.; |
(2-propenyl)propanedioic acid diethyl ester
Octa-<(3-mercaptopropyl)-silsesquioxan>
Conditions | Yield |
---|---|
With 2,2-dimethoxy-2-phenylacetophenone In tetrahydrofuran for 0.5h; UV-irradiation; | 98.7% |
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With nitric acid; silver nitrate In water | 98.5% |
(2-propenyl)propanedioic acid diethyl ester
propargyl bromide
4,4-bis(ethoxycarbonyl)-1-hepten-6-yne
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran; hexane; toluene at -78℃; for 1h; | 98% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium ethanolate In diethyl ether; ethanol for 0.166667h; Cooling with ice; Inert atmosphere; Stage #2: propargyl bromide In diethyl ether; ethanol at 20℃; for 1h; Cooling with ice; Inert atmosphere; | 92% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.166667h; Inert atmosphere; Stage #2: propargyl bromide In N,N-dimethyl-formamide at 0 - 25℃; for 1h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With tetrabutylammonium borohydride; zinc(II) iodide; cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane] In dichloromethane at 40℃; for 20h; | 98% |
With cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane]; zinc(II) iodide; zinc In dichloromethane for 20h; | 92% |
With tetrabutylammonium borohydride; zinc(II) iodide; cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane] In dichloromethane at 40℃; for 16h; | 81% |
(2-propenyl)propanedioic acid diethyl ester
1,4-Dichloro-2-butyne
tetraethyl dodeca-1,11-dien-6-yne-4,4,9,9-tetracarboxylate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; Stage #2: 1,4-Dichloro-2-butyne In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃; | 98% |
(2-propenyl)propanedioic acid diethyl ester
2-(methylsulfanyl)benzaldehyde
1,3-diethyl 2-(4-(2-(methylthio)phenyl)-4-oxobutyl)malonate
Conditions | Yield |
---|---|
With C21H44N2P2Rh*C32H12BF24 In acetone at 55℃; for 3h; Inert atmosphere; | 98% |
With [Rh(η6-C6H5F)(bis(dicyclohexylphosphino)methane)][B(C6H3-3,5-(CF3)2)4] In 1,2-dichloro-ethane at 80℃; for 2h; Inert atmosphere; |
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 65℃; for 0.166667h; Sealed tube; Stage #2: (Z)-3-fluoro-3-phenylallyl 2,2,2-trifluoroacetate With C51H54IrNO4P(1+)*BF4(1-) In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; enantioselective reaction; | 98% |
(2-propenyl)propanedioic acid diethyl ester
methyl iodide
diethyl allylmethylmalonate
Conditions | Yield |
---|---|
97% | |
With sodium methylate | |
With sodium ethanolate |
(2-propenyl)propanedioic acid diethyl ester
bromoacetic acid tert-butyl ester
2-Allyl-2-ethoxycarbonyl-succinic acid 4-tert-butyl ester 1-ethyl ester
Conditions | Yield |
---|---|
With sodium hydride | 96% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.5h; Stage #2: bromoacetic acid tert-butyl ester In tetrahydrofuran; mineral oil at 20℃; for 16h; |
(2-propenyl)propanedioic acid diethyl ester
ethylene dibromide
diethyl (+/-)-(2-bromoethyl)(2-propenyl)propanedioate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 20℃; for 1h; Stage #2: ethylene dibromide In tetrahydrofuran at 20℃; for 15h; | 96% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 1.5h; Inert atmosphere; Stage #2: ethylene dibromide In tetrahydrofuran; mineral oil at 20℃; for 15.5h; Inert atmosphere; | 96% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 20℃; for 1h; Stage #2: ethylene dibromide In tetrahydrofuran at 20℃; for 15h; | 81% |
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran Stage #2: C39H53NO3*C24H32O8*F6P(1-)*H(1+) With 1,3-bis-(diphenylphosphino)propane; palladium diacetate In tetrahydrofuran at 20℃; for 20h; Tsuji-Trost allylation; | 96% |
(2-propenyl)propanedioic acid diethyl ester
(Z)-1-bromo-3-methylpent-2-en-4-yne
2-allyl-2-((Z)-3-methyl-pent-2-en-4-ynyl)-malonic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran Inert atmosphere; Stage #2: (Z)-1-bromo-3-methylpent-2-en-4-yne In tetrahydrofuran Inert atmosphere; | 96% |
(2-propenyl)propanedioic acid diethyl ester
2-allyl-1,3-propanediol
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 4.5h; Stage #2: With water; sodium hydroxide In tetrahydrofuran at 0 - 20℃; for 0.166667h; | 95% |
With lithium aluminium tetrahydride In diethyl ether for 1h; Ambient temperature; | 94% |
With lithium aluminium tetrahydride In diethyl ether 1.) 1 h, 0 deg C, 2.) 4 h, room temperature; | 86% |
Conditions | Yield |
---|---|
With triethylsilane; t-Bu-P4 In hexane; N,N-dimethyl-formamide at 80℃; for 2h; | 95% |
(2-propenyl)propanedioic acid diethyl ester
guanidine hydrochloride
5-allyl-2-aminopyrimidine-4,6-diol
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester; guanidine hydrochloride With sodium In ethanol at 20℃; for 4h; Inert atmosphere; Stage #2: In ethanol for 1h; Inert atmosphere; Reflux; | 95% |
With sodium In ethanol Inert atmosphere; | 95% |
With sodium methylate In methanol at 0℃; Reflux; | 62.8% |
With sodium carbonate In water at 60℃; for 0.5h; Reagent/catalyst; Sonication; | 61% |
Stage #1: guanidine hydrochloride With sodium ethanolate In ethanol at 0℃; for 0.166667h; Stage #2: (2-propenyl)propanedioic acid diethyl ester In ethanol at 0 - 20℃; for 65h; Stage #3: With hydrogenchloride In ethanol; water | 51% |
(2-propenyl)propanedioic acid diethyl ester
1,2-dibromo-2-butene
diethyl 2-allyl-2-((Z)-2-bromo-2-butenyl)malonate
Conditions | Yield |
---|---|
With sodium ethanolate In tetrahydrofuran at 20℃; Inert atmosphere; | 95% |
(2-propenyl)propanedioic acid diethyl ester
(E)-(2,3-dibromoprop-1-enyl)benzene
diethyl 2-allyl-2-((E)-3-phenyl-2-bromo-2-propenyl)malonate
Conditions | Yield |
---|---|
With sodium ethanolate In tetrahydrofuran at 20℃; Inert atmosphere; | 95% |
(2-propenyl)propanedioic acid diethyl ester
diethyl 2-allyl-2-(penta-2,3-dien-1-yl)malonate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Inert atmosphere; Stage #2: penta-2,3-dien-1-yl methanesulfonate In tetrahydrofuran; mineral oil at 21 - 25℃; Inert atmosphere; | 95% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: penta-2,3-dien-1-yl methanesulfonate In tetrahydrofuran at 0 - 55℃; for 50.0833h; | 40% |
Conditions | Yield |
---|---|
With platinum(IV) oxide; hydrogen In ethanol at 20℃; for 4h; | 94% |
With hydrogen; polymeric rhodium In tetrahydrofuran; ethanol under 760 Torr; for 12h; |
(2-propenyl)propanedioic acid diethyl ester
1-bromooct-2-yne
(2-octynyl)-(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; | 94% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 0 - 20℃; Stage #2: 1-bromooct-2-yne In tetrahydrofuran at 20℃; for 16h; Further stages.; | 81% |
(2-propenyl)propanedioic acid diethyl ester
1-bromo-3-phenylprop-2-yne
diethyl 2-allyl-2-(3-phenylprop-2-yn-1-yl)malonate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 20℃; Stage #2: 1-bromo-3-phenylprop-2-yne In tetrahydrofuran at 20℃; for 12h; Further stages.; | 94% |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 1.5h; Inert atmosphere; Stage #2: 1-bromo-3-phenylprop-2-yne In tetrahydrofuran; mineral oil at 0 - 20℃; for 24h; Inert atmosphere; | 79% |
With sodium hydride Inert atmosphere; | |
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran at 0 - 20℃; for 1.5h; Stage #2: 1-bromo-3-phenylprop-2-yne In tetrahydrofuran at 0 - 20℃; |
(2-propenyl)propanedioic acid diethyl ester
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; 1,1′-binaphthalene-2,2′-diylbis[bis(4-methylphenyl)phosphine] In 1,4-dioxane at 60℃; for 24h; Inert atmosphere; enantioselective reaction; | 94% |
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