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3,4-DimethoxystyreneAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals Transportation:Sea/air/co
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3,4-DIMETHOXYSTYRENEAppearance: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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FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 3,4-Dimethoxy Styrene, CAS:6380-23-0 with the most competitive price and the best qua
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high purity Application:Drug intermediates Materials intermediates and active molecules
1-methyl-2-(methylsulfonyl)-1H-benzo[d]imidazole
3,4-dimethoxy-benzaldehyde
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane In N,N-dimethyl-formamide at -55 - 20℃; Reagent/catalyst; Temperature; Time; Inert atmosphere; | 97% |
With sodium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at -55 - 20℃; for 2h; Reagent/catalyst; Temperature; Inert atmosphere; | 97% |
4-bromomethyl-1,2-dimethoxybenzene
trimethylsulphonium iodide
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With n-butyllithium; lithium iodide In tetrahydrofuran; hexane from 0 degC to room temp.; | 95% |
4-bromomethyl-1,2-dimethoxybenzene
methylenetriphenylarsorane
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane for 1h; Ambient temperature; | 95% |
malonic acid
3,4-dimethoxy-benzaldehyde
A
3,4-dimethoxystyrene
B
3,4-dimethoxy-trans-cinnamic acid
Conditions | Yield |
---|---|
With pyridine; acetic acid at 130℃; for 0.133333h; Knoevenagel-Doebner reaction; microwave irradiation; | A 4 % Spectr. B 91% |
Conditions | Yield |
---|---|
With platinum on carbon; potassium tert-butylate; hydrogen In toluene under 1875.19 Torr; for 15h; Inert atmosphere; Reflux; | 91% |
With C15H25Cl2N3NiO3; potassium tert-butylate In toluene at 110℃; for 12h; Catalytic behavior; Reagent/catalyst; Temperature; Schlenk technique; Inert atmosphere; | 76% |
Methyltriphenylphosphonium bromide
3,4-dimethoxy-benzaldehyde
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; | 90% |
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane; cyclohexane at 0℃; for 4h; Inert atmosphere; Stage #2: 3,4-dimethoxy-benzaldehyde In tetrahydrofuran; hexane; cyclohexane at 20℃; for 10h; Wittig Olefination; Inert atmosphere; | 89% |
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 2h; Schlenk technique; Stage #2: 3,4-dimethoxy-benzaldehyde In tetrahydrofuran at 0 - 20℃; | 89% |
Conditions | Yield |
---|---|
With Hoveyda-Grubbs catalyst second generation; di-μ-bromobis-(tritert-butylphosphine)dipalladium(I) In tetrahydrofuran at 60℃; under 7500.75 Torr; for 16h; Autoclave; | 90% |
(trimethylsilyl)methylmagnesium chloride
3,4-dimethoxy-benzaldehyde
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
Stage #1: (trimethylsilyl)methylmagnesium chloride; 3,4-dimethoxy-benzaldehyde In tetrahydrofuran at 0 - 20℃; Peterson Olefination; Inert atmosphere; Stage #2: With bis(trifluoromethanesulfonyl)amide In 1,2-dichloro-ethane at 20℃; for 0.25h; Peterson Olefination; | 89% |
methyl-triphenylphosphonium iodide
3,4-dimethoxy-benzaldehyde
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
Stage #1: methyl-triphenylphosphonium iodide With potassium tert-butylate In tetrahydrofuran at 0℃; for 1h; Stage #2: 3,4-dimethoxy-benzaldehyde In tetrahydrofuran at 20℃; for 24h; | 87% |
Stage #1: methyl-triphenylphosphonium iodide With potassium tert-butylate In tetrahydrofuran for 1h; Inert atmosphere; Stage #2: 3,4-dimethoxy-benzaldehyde In tetrahydrofuran at 25℃; for 24h; Wittig reaction; Inert atmosphere; | 75.2% |
With tert-butoxide In tetrahydrofuran at 0℃; Wittig reaction; | 60% |
Methyl phenyl sulfone
(3,4-dimethoxyphenyl)methanol
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With sodium hydride In mineral oil at 135℃; for 7h; Inert atmosphere; Schlenk technique; | 85% |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 100℃; for 8h; Hiyama Coupling; Sealed tube; | 78% |
carbon dioxide
2-(3,4-dimethoxyphenyl)-ethylamine
carbonic acid dimethyl ester
B
3,4-dimethoxystyrene
C
N,N-dimethyl-3,4-dimethoxy-β-phenethylamine
D
[2-(3,4-dimethoxy-phenyl)-ethyl]-carbamic acid methyl ester
Conditions | Yield |
---|---|
at 130℃; under 90007.2 - 97507.8 Torr; for 24h; | A n/a B n/a C n/a D 77% |
Conditions | Yield |
---|---|
With 1-hexyl-3-methyl-1-imidazolium bromide at 140℃; for 0.2h; Microwave irradiation; Combinatorial reaction / High throughput screening (HTS); chemoselective reaction; | 74% |
With toluene-4-sulfonic acid In chloroform for 8h; | 58% |
Multi-step reaction with 2 steps 1: diethyl ether; CaCl2; hydrogen chloride / 0 °C 2: pyridine View Scheme | |
at 120℃; for 0.25h; Microwave irradiation; Ionic liquid; |
dimethylsulfone
(3,4-dimethoxyphenyl)methanol
A
3,4-dimethoxystyrene
B
hydrogen
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; potassium tert-butylate; iron(II) chloride In toluene at 120℃; for 24h; Julia Olefin Synthesis; Inert atmosphere; Schlenk technique; | A 74% B n/a |
3,4-dimethoxy-benzaldehyde
Methylenetriphenylphosphorane
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
In 1,4-dioxane; water Inert atmosphere; | 73% |
Wittig reaction; | |
at 20℃; for 10h; Wittig Olefination; |
dimethylsulfone
(3,4-dimethoxyphenyl)methanol
A
3,4-dimethoxystyrene
B
4-isopropenyl-1,2-dimethoxybenzene
Conditions | Yield |
---|---|
With C15H25Br2N3NiO3; potassium tert-butylate In toluene at 110℃; for 12h; Catalytic behavior; Reagent/catalyst; Solvent; Schlenk technique; Inert atmosphere; | A 72% B 6% |
With C24H20ClN2OPRu; potassium tert-butylate In 1,4-dioxane at 125℃; for 5h; Inert atmosphere; Schlenk technique; Glovebox; | A 69% B 10 %Spectr. |
Conditions | Yield |
---|---|
bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 60℃; for 12h; | 59% |
[2-(3,4-dimethoxyphenyl)-ethyl](ethyl)amine
epichlorohydrin
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
In chlorobenzene at 115℃; | 56% |
3,4-dimethoxyphenethyl bromide
ephedrine
A
3,4-dimethoxystyrene
B
(-)-(1R,2S)-N-(3,4-dimethoxyphenethyl)ephedrine
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 48h; Heating; | A 54% B 34% |
Conditions | Yield |
---|---|
In chlorobenzene at 115℃; | 47% |
3,4-dimethoxyphenethyl bromide
A
3,4-dimethoxystyrene
B
2-[2-(3,4-dimethoxyphenyl)ethyl]-1-(1-phenylethyl)-1,2,3,4-tetrahydroquinoline-2-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 1-(1-phenylethyl)-1,2,3,4-tetrahydroquinoline-2-carbonitrile With lithium diisopropyl amide In tetrahydrofuran; hexane at -78 - -20℃; Inert atmosphere; Stage #2: 3,4-dimethoxyphenethyl bromide In tetrahydrofuran; Hexachlorobutadiene at -60 - 20℃; for 12h; | A n/a B 35% |
3,4-dimethoxyphenethyl bromide
(1R,2R)-pseudoephedrine
A
3,4-dimethoxystyrene
B
(-)-(1R,2R)-N-(3,4-dimethoxyphenethyl)pseudoephedrine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; sodium iodide In ethanol for 60h; Heating; | A n/a B 29% |
pyrrole
3,4-dimethoxyphenethyl bromide
B
3,4-dimethoxystyrene
C
1-[2-(3,4-dimethoxyphenyl)ethyl]-1H-pyrrole
Conditions | Yield |
---|---|
Stage #1: pyrrole With potassium hydroxide; 18-crown-6 ether In benzene for 2h; Heating; Stage #2: 3,4-dimethoxyphenethyl bromide In benzene Heating; Further stages.; | A 23% B 27% C 27% |
pyrrole
1-(3,4-dimethoxyphenyl)-2-(p-toluenesulfonyloxy)ethane
B
3,4-dimethoxystyrene
C
1-[2-(3,4-dimethoxyphenyl)ethyl]-1H-pyrrole
Conditions | Yield |
---|---|
Stage #1: pyrrole With potassium hydroxide; 18-crown-6 ether In benzene for 2h; Heating; Stage #2: 1-(3,4-dimethoxyphenyl)-2-(p-toluenesulfonyloxy)ethane In benzene Heating; Further stages.; | A 4% B 4% C 9% |
pyridine
4-(1-chloro-ethyl)-1,2-dimethoxy-benzene
3,4-dimethoxystyrene
4-(1-chloro-ethyl)-1,2-dimethoxy-benzene
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With pyridine |
Conditions | Yield |
---|---|
und Destillation des Reaktionsprodukts; | |
With diethyl ether Erhitzen des nach der Hydrolyse erhaltenen Reaktionsprodukts unter vermindertem Druck auf Siedetemperatur; |
3,4-dimethoxy-trans-cinnamic acid
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With quinoline; copper(II) sulfate at 220℃; |
N-<3,4-Dimethoxy-α-methyl-benzyl>-glycin-methyl-ester
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol |
imidazolidone
3,4-dimethoxyphenethyl bromide
A
3,4-dimethoxystyrene
B
1-<2-(3,4-dimethoxyphenyl)ethyl>imidazolidin-2-one
Conditions | Yield |
---|---|
With sodium hydride 1) benzene, reflux, 4 h 2) benzene, reflux, 16 h; Yield given. Multistep reaction. Yields of byproduct given; |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; C21H19N5Pd(2+)*2BF4(1-) In decane; acetonitrile at 45℃; for 4h; Wacker Oxidation; | 100% |
With perchloric acid; oxygen; palladium diacetate; p-benzoquinone; sodium nitrite In methanol; water at 20℃; for 24h; Wacker Oxidation; Schlenk technique; Sealed tube; Green chemistry; | 95% |
With palladium diacetate; Dess-Martin periodane In water; acetonitrile at 50℃; Wacker-Tsuji Olefin Oxidation; Inert atmosphere; | 87% |
With chromium(VI) oxide; palladium dichloride In water; acetonitrile at 20 - 60℃; for 24h; Wacker-Tsuji Olefin Oxidation; | 75% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; C22H24CuN4; dihydrogen peroxide In water at 40℃; for 7.5h; pH=2; Reagent/catalyst; |
Conditions | Yield |
---|---|
With 4,4'-di-tert-butylbiphenyl; lithium; isopropyl alcohol; nickel dichloride In tetrahydrofuran at 20 - 76℃; Inert atmosphere; chemoselective reaction; | 99% |
With hydrogen In methanol at 20℃; for 18h; chemoselective reaction; | 99% |
With hydrogen at 80℃; under 7500.75 Torr; for 1h; Autoclave; | 94% |
With hydrogen; platinum(IV) oxide In acetic acid | 54.9% |
With palladium 10% on activated carbon; hydrogen at 20℃; for 18h; Sealed tube; | 83 mg |
3,4-dimethoxystyrene
4-chlorobenzonitrile
1,2-Dimethoxy-4-[2-(4-nitrophenyl)ethenyl]benzene
Conditions | Yield |
---|---|
With C32H27N4O2Pd(1+)*BF4(1-); sodium acetate at 140℃; for 12h; Inert atmosphere; Schlenk technique; | 99% |
With tetrabutylammomium bromide; palladium diacetate; silica gel; potassium carbonate for 0.75h; Neat (no solvent); | 87% |
3,4-dimethoxystyrene
(R)-2-hydroxy-1-(3,4-dimethoxyphenyl)ethanol
Conditions | Yield |
---|---|
With osmium(VIII) oxide; potassium carbonate; potassium hexacyanoferrate(III); 1,4-bis(9-O-dihydroquinidine)phthalazine In water; toluene; tert-butyl alcohol at 0℃; for 24h; Sharpless asymmetric dihydroxylation; | 97% |
With AD-mix β In water; tert-butyl alcohol at 0℃; Sharpless Dihydroxylation; |
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol at 80℃; for 120h; Diels-Alder cycloaddition; | 97% |
3,4-dimethoxystyrene
2-(3,4-dimethoxyphenyl)oxirane
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone for 0.666667h; Ambient temperature; | 96% |
With PS-DVB supported phthalic anhydride; urea-hydrogen peroxide In dichloromethane at 20℃; | 77% |
Conditions | Yield |
---|---|
With Cl2Ru=CHPh(PCy3)[bis(1,3-Mes-2-ylimidazolidine)] In dichloromethane at 40℃; for 12h; | 96% |
3,4-dimethoxystyrene
C20H24O6
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 25℃; | 96% |
Conditions | Yield |
---|---|
With formic acid; palladium diacetate; CyJohnPhos In toluene at 90℃; for 24h; Inert atmosphere; Sealed tube; regioselective reaction; | 96% |
3,4-dimethoxystyrene
1-Iodonaphthalene
(E)-1-(3,4-dimethoxystyryl)naphthalene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; triethylamine; N,N-dimethyl-formamide; lithium chloride at 110℃; for 6h; Heck Reaction; Inert atmosphere; | 96% |
3,4-dimethoxystyrene
β-hydroxy-3,4-dimethoxy phenethyl alcohol
Conditions | Yield |
---|---|
With osmium(VIII) oxide; 4-methylmorpholine N-oxide In tetrahydrofuran; water; tert-butyl alcohol at 20℃; for 12h; Sealed tube; | 95% |
With osmium(VIII) oxide; 4-methylmorpholine N-oxide In water; acetone at 20℃; for 16h; | 94% |
With pyridine; osmium(VIII) oxide In diethyl ether at 20℃; for 20h; dihydroxylation; | 80% |
Upjohn Dihydroxylation; Inert atmosphere; |
1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione
3,4-dimethoxystyrene
istradefylline
Conditions | Yield |
---|---|
Stage #1: 1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione With pyridine; palladium diacetate; copper(II) acetate monohydrate; copper(l) chloride In N,N-dimethyl acetamide at 20℃; for 0.0833333h; Heck reaction; Inert atmosphere; Stage #2: 3,4-dimethoxystyrene In N,N-dimethyl acetamide at 120℃; for 20h; Heck reaction; Inert atmosphere; | 95% |
1-bromo-4-methoxy-benzene
3,4-dimethoxystyrene
4,3’,4’-trimethoxystilbene
Conditions | Yield |
---|---|
With C33H33N2(1+)*Cl(1-); palladium diacetate; potassium carbonate In water; N,N-dimethyl-formamide for 2h; Heck Reaction; Inert atmosphere; Sealed tube; Heating; | 95% |
3,4-dimethoxystyrene
5-Methyloxazol-4-carbonsaeure-methylester
(E)-methyl 2-(3,4-dimethoxystyryl)-5-methyloxazole-4-carboxylate
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; palladium(II) trifluoroacetate; silver trifluoroacetate In toluene at 130℃; for 16h; | 95% |
Conditions | Yield |
---|---|
Stage #1: potassium cyanide With acetic acid In ethylene glycol at 60℃; Sealed tube; Stage #2: 3,4-dimethoxystyrene With bis(1,5-cyclooctadiene)nickel (0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene at 60℃; for 18h; Sealed tube; | 95% |
2,3,4,5-tetrahydropyridine N-oxide
3,4-dimethoxystyrene
2-(3,4-Dimethoxy-phenyl)-hexahydro-isoxazolo[2,3-a]pyridine
Conditions | Yield |
---|---|
In toluene Heating; | 93% |
Conditions | Yield |
---|---|
With potassium chloride; tetrabutylammomium bromide; potassium carbonate; palladium dichloride In 1-methyl-pyrrolidin-2-one at 100℃; for 24h; Heck Reaction; Inert atmosphere; regioselective reaction; | 93% |
Conditions | Yield |
---|---|
With 1,1'-bis(dicyclohexylphosphinocyclopentadienyl)iron; palladium diacetate; acetic acid In toluene at 90℃; for 24h; Inert atmosphere; Sealed tube; regioselective reaction; | 93% |
3,4-dimethoxystyrene
2-(2-phenylethynyl)-1,4-benzoquinone
2-(3,4-dimethoxyphenyl)-7-(phenylethynyl)-2,3-dihydrobenzofuran-5-ol
Conditions | Yield |
---|---|
With bismuth(lll) trifluoromethanesulfonate In acetonitrile at 0℃; Inert atmosphere; Schlenk technique; | 92% |
3,4-dimethoxystyrene
2‐(3,4‐dimethoxyphenyl)propionitrile
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); hydrogen cyanide; (3aR,8aR)-4,4,8,8-tetrakis(3,5-dimethylphenyl)-6-(2-(diphenylphosphino)-6-isopropylphenoxy)-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepine In tetrahydrofuran at 20℃; for 2h; Reagent/catalyst; Solvent; Inert atmosphere; Schlenk technique; Optical yield = 88 %ee; enantioselective reaction; | 92% |
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In acetonitrile at 20℃; for 0.166667h; regioselective reaction; | 92% |
3,4-dimethoxystyrene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; triethylamine; N,N-dimethyl-formamide; lithium chloride at 110℃; for 5h; Heck Reaction; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel(0); C33H30N2O2; lithium tert-butoxide In methanol at 50℃; for 3h; Inert atmosphere; Glovebox; Sealed tube; enantioselective reaction; | 92% |
3,4-dimethoxystyrene
p-toluenesulfonylhydroxylamine
1-(3,4-dimethoxyphenyl)-2-tosylethanone oxime
Conditions | Yield |
---|---|
With tetrabutylammonium periodite In dichloromethane at -20 - 40℃; for 3h; Inert atmosphere; | 91% |
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