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inquiryProduct Description Product name 2-Hydroxy-5-methoxybenzaldehyde CAS 672-13-9 Assay 99% Appearance ligh
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inquiryProduct Name: 2-Hydroxy-5-methoxybenzaldehyde Synonyms: 2-Formyl-4-methoxyphenol;6-Hydroxy-m-anisaldehyde 5-Methoxysalicylaldehyde;Hydroxy-5-Methoxybenzaldeh;Benzaldehyde,2-hydroxy-5-Methoxy-;2-Hydroxy-5-Methoxybenzaldehyde, 97.5%;2-hydroxy-5-m
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Conditions | Yield |
---|---|
Stage #1: formaldehyd With triethylamine; magnesium chloride In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Reflux; Stage #2: 4-methoxy-phenol In tetrahydrofuran Reflux; | 100% |
Stage #1: formaldehyd With triethylamine; magnesium chloride In tetrahydrofuran at 20 - 25℃; for 0.166667h; Stage #2: 4-methoxy-phenol In tetrahydrofuran Reflux; | 100% |
Stage #1: formaldehyd With triethylamine; magnesium chloride In tetrahydrofuran at 20℃; for 0.25h; Inert atmosphere; Stage #2: 4-methoxy-phenol In tetrahydrofuran for 16h; Inert atmosphere; Reflux; | 99% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane at 20℃; for 12h; Inert atmosphere; | 98% |
With aluminum (III) chloride In dichloromethane at 20℃; for 12h; Inert atmosphere; | 98% |
With beryllium(II) chloride In toluene for 7h; | 95% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; | 47% |
Stage #1: 2,5-dimethoxybenzaldehyde With aluminum (III) chloride In dichloromethane at 0 - 20℃; for 4h; Stage #2: With water In dichloromethane at 0℃; |
2-hydroxy-5-methoxybenzyl alcohol
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With air; (acryl-TEMPO)-co-(allylamine-treated chlorophyll b-Co(III) complex) immobilized on SiO2-covered Fe3O4 magnetic nanoparticles In water at 25℃; for 0.416667h; | 96% |
With oxygen In ethanol at 20℃; under 760.051 Torr; for 0.5h; Catalytic behavior; Green chemistry; | 95% |
With dihydrogen peroxide at 20℃; for 3.6h; Catalytic behavior; Green chemistry; | 94% |
Conditions | Yield |
---|---|
With sodium hydroxide In water for 1h; Heating; | 72% |
With sodium hydroxide Reimer-Tiemann reaction; Heating; | 65% |
With sodium hydroxide at 70 - 80℃; for 0.5h; | 48% |
1-(o-hydroxy-5-methoxyphenyl)-3-phenylpropargylic alcohol
A
2-hydroxy-5-methoxybenzaldehyde
B
1,4-diphenyl-1,3-butadiyne
Conditions | Yield |
---|---|
With copper(II) acetate monohydrate In acetonitrile for 2h; Reflux; | A n/a B 72% |
5-methoxy-2-(prop-2-yn-1-yloxy)benzaldehyde
A
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate; tris(2,2'-bipyridine)nickel(II) tetrafluoroborate In N,N-dimethyl-formamide electrochem. reaction; magnesium rod anode, nickel foam grid cathode; | A 30% B 65% |
Conditions | Yield |
---|---|
Reimer-Tiemann reaction; | 60% |
Multi-step reaction with 2 steps 1: 40 percent / BF3*Et2O / CH2Cl2 / 14 h / Ambient temperature 2: 47 percent / H2O, HgO, BF3*Et2O / tetrahydrofuran / 1 h / Ambient temperature View Scheme |
2-[1,3]Dithiolan-2-yl-4-methoxy-phenol
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; water; mercury(II) oxide In tetrahydrofuran for 1h; Ambient temperature; | 47% |
hexamethylenetetramine
4-methoxy-phenol
A
2-hydroxy-5-methoxybenzaldehyde
B
2-hydroxy-5-methoxyisophthaldehyde
Conditions | Yield |
---|---|
In trifluoroacetic acid for 24h; | A n/a B 32% |
Conditions | Yield |
---|---|
in ein zuvor auf 165grad erhitztes Gemisch von Glycerin und Borsaeure bei 150grad und Behandeln des Reaktionsgemisches mit wss.H2SO4 bei 115grad; | |
With toluene-4-sulfonic acid In acetic acid for 5h; Duff Aldehyde Synthesis; Reflux; Inert atmosphere; |
2,5-Dihydroxybenzaldehyde
dimethyl sulfate
A
2-hydroxy-5-methoxybenzaldehyde
B
2,5-dimethoxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
(i) SOCl2, Py, PE, (ii) H2, quinoline, sulfur, Pd-BaSO4, xylene; Multistep reaction; |
tris(phenylthio)methane
4-methoxy-phenol
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With dimethyl(methylthio)sulfonium tetrafluoroborate; water 1.) CH2Cl2, room temp., 2 h; Yield given. Multistep reaction; |
N,N-diethyl-O-(4-methoxyphenyl)carbamate
N,N-dimethyl-formamide
A
2-hydroxy-5-methoxybenzaldehyde
B
O-(2-formyl-4-methoxy)phenyl N,N-diethylcarbamate
Conditions | Yield |
---|---|
With N,N,N,N,-tetramethylethylenediamine; sec.-butyllithium 1.) THF, -78 deg C, 1 h, 2.) to room temp., 8 to 12 h; Yield given. Multistep reaction. Yields of byproduct given; |
2-t-butoxy-5-methoxybenzaldehyde
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid |
Conditions | Yield |
---|---|
With hydroxide In 1,4-dioxane; water at 37℃; Rate constant; Thermodynamic data; var. temp., ΔH(excit.), ΔS)(excit.); |
Conditions | Yield |
---|---|
With ethylmagnesium bromide; triethylamine 1.) THF, RT, 20 min, 2.) C6H6, reflux, 2.5 h; Yield given. Multistep reaction; |
2-acetoxy-5-methoxybenzaldehyde
A
2-hydroxy-5-methoxybenzaldehyde
B
acetic acid
2-iodo-5-methoxybenzaldehyde
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 12 percent / t-BuOK, CuCl, pyridine / 1,2-dimethoxy-ethane / 3 h / Heating 2: CF3COOH View Scheme | |
Multi-step reaction with 2 steps 1: 1.) CuCl, 2.) pyridine, 1,3-dinitrobenzene / 1.) DME, 2.) reflux, 3 h 2: CF3COOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 59 percent / I2, H5IO6 / acetic acid; H2O; H2SO4 / 2 h / 80 °C 2: 12 percent / t-BuOK, CuCl, pyridine / 1,2-dimethoxy-ethane / 3 h / Heating 3: CF3COOH View Scheme | |
Multi-step reaction with 3 steps 1: 59 percent / I2, H5IO6 / acetic acid; H2O; H2SO4 / 2 h / 80 °C 2: 1.) CuCl, 2.) pyridine, 1,3-dinitrobenzene / 1.) DME, 2.) reflux, 3 h 3: CF3COOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium persulfate; NaOH-solution; alkali / 30 - 35 °C / und Erhitzen des Reaktionsprodukts mit konz.Salzsaeure auf 70grad 2: aqueous NaOH-solution View Scheme |
2-(2-hydroxy-5-methoxyphenyl)-4-phenoxymethyl-1,3-dioxolane
A
2-hydroxy-5-methoxybenzaldehyde
B
1-phenoxy-2,3-propanediol
Conditions | Yield |
---|---|
With water In methanol at 20℃; Quantum yield; Irradiation; | A n/a B 96 %Chromat. |
2-(2-hydroxy-5-methoxyphenyl)-5-phenyl-1,3-dioxane
A
2-hydroxy-5-methoxybenzaldehyde
B
2-phenylpropane-1, 3-diol
Conditions | Yield |
---|---|
With water In methanol at 20℃; Quantum yield; Irradiation; | A n/a B 59 %Chromat. |
2-(2-hydroxy-5-methoxyphenyl)-1,3-dioxolane
A
2-hydroxy-5-methoxybenzaldehyde
B
ethylene glycol
Conditions | Yield |
---|---|
With water In methanol at 20℃; Quantum yield; Irradiation; | A n/a B 100 %Spectr. |
2-(2-hydroxy-5-methoxyphenyl)-5,5-dimethyl-1,3-dioxane
A
2-hydroxy-5-methoxybenzaldehyde
B
2,2-Dimethyl-1,3-propanediol
Conditions | Yield |
---|---|
With water In methanol at 20℃; Quantum yield; Irradiation; | A n/a B 100 %Spectr. |
N,N-dimethyl-formamide
A
2-Hydroxy-4-methoxybenzaldehyde
B
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
Stage #1: N,N-dimethyl-formamide; 4-methoxy-2-(trimethylsilyl)phenyl triflate With tetrabutyl ammonium fluoride at 20℃; for 3h; Inert atmosphere; Stage #2: With water |
Conditions | Yield |
---|---|
With chloroform; potassium hydroxide In water at 60℃; for 15h; Reimer-Tiemann Phenol Formylation; |
Conditions | Yield |
---|---|
With magnesium chloride In acetonitrile Reflux; |
Conditions | Yield |
---|---|
Stage #1: 2-hydroxy-5-methoxybenzaldehyde With chloroformic acid ethyl ester; triethylamine In tetrahydrofuran at 0℃; for 1h; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; water at 20℃; for 2.25h; Cooling with ice; Stage #3: With hydrogenchloride In tetrahydrofuran; water pH=< 2; | 100% |
With potassium hydroxide; hydrazine In ethylene glycol at 150℃; for 19h; Wolf-Kishner reduction; Inert atmosphere; | 98% |
With palladium 10% on activated carbon; hydrogen In acetic acid; ethyl acetate at 20℃; for 20h; | 98% |
2-hydroxy-5-methoxybenzaldehyde
acrylonitrile
6-methoxy-2H-chromene-3-carbonitrile
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane for 20h; Heating; | 100% |
With 1,4-diaza-bicyclo[2.2.2]octane for 12h; Reflux; | 91.3% |
With 1,4-diaza-bicyclo[2.2.2]octane at 50℃; for 20h; Addition; condenzation; | 79% |
2-hydroxy-5-methoxybenzaldehyde
allyl bromide
2-allyloxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran Inert atmosphere; Reflux; | 100% |
With potassium carbonate In acetonitrile Heating; | 99% |
With potassium carbonate In acetonitrile for 1h; Heating; | 99% |
2-hydroxy-5-methoxybenzaldehyde
propargyl bromide
5-methoxy-2-(prop-2-yn-1-yloxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In acetone Substitution; Heating; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; | 100% |
With potassium carbonate In acetonitrile at 20℃; for 24h; | 95% |
2-hydroxy-5-methoxybenzaldehyde
benzyl bromide
2-benzyloxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran; mineral oil at 60℃; Inert atmosphere; | 100% |
With caesium carbonate In acetone at 20℃; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; | 100% |
2-hydroxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane at 70℃; for 0.5h; | 100% |
5-methylisoxazol-3-ylamine
2-hydroxy-5-methoxybenzaldehyde
4-methoxy-2-[(5-methyl-3-isoxazolyl)imino]methylphenol
Conditions | Yield |
---|---|
Reflux; | 100% |
In ethanol for 2h; Reflux; | 90% |
2-hydroxy-5-methoxybenzaldehyde
{(1R,3R,4S,6S)-4-amino-4,7,7-trimethylbicyclo[4.1.0]heptan-3-yl}methanol
Conditions | Yield |
---|---|
In methanol at 20℃; for 24h; | 100% |
2-hydroxy-5-methoxybenzaldehyde
2-hydroxy-5-methoxybenzyl alcohol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 20℃; for 1h; | 99.7% |
With sodium tetrahydroborate | 85% |
With sodium tetrahydroborate In ethanol at 20℃; Cooling with ice; | 85% |
2-hydroxy-5-methoxybenzaldehyde
diethyl malonate
6-methoxycoumarin-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 2-hydroxy-5-methoxybenzaldehyde; diethyl malonate With piperidine; acetic acid In ethanol for 9h; Reflux; Stage #2: With ethanol; water; sodium hydroxide for 0.25h; Reflux; | 99.2% |
2-hydroxy-5-methoxybenzaldehyde
prenyl bromide
5-methoxy-2-(3-methylbut-2-enyloxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide Ambient temperature; | 99% |
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 2h; | |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 48h; | |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 48h; | |
Stage #1: 2-hydroxy-5-methoxybenzaldehyde With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: prenyl bromide In N,N-dimethyl-formamide at 20℃; |
2-hydroxy-5-methoxybenzaldehyde
N,N-phenylbistrifluoromethane-sulfonimide
trifluoro-methanesulfonic acid 2-formyl-4-methoxy-phenyl ester
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere; | 99% |
With potassium carbonate In tetrahydrofuran at 120℃; for 0.1h; microwave heating; | 87% |
With triethylamine | |
With potassium carbonate In tetrahydrofuran at 120℃; for 0.1h; Microwave irradiation; |
2-hydroxy-5-methoxybenzaldehyde
p-toluenesulfonyl chloride
toluene-4-sulfonic acid 2-formyl-4-methoxy-phenyl ester
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane; water Inert atmosphere; | 99% |
With potassium carbonate In acetonitrile at 20℃; for 12h; | 91% |
With sodium hydroxide In dichloromethane; water at 20℃; | 71% |
2-hydroxy-5-methoxybenzaldehyde
tert-butyldimethylsilyl chloride
2-tert-butyldimethylsiloxy-5-methoxyphenyl carboxaldehyde
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 25℃; for 16h; Inert atmosphere; | 99% |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.5h; | 97% |
With 1H-imidazole In N,N-dimethyl-formamide at 80℃; for 20h; | 90% |
Conditions | Yield |
---|---|
With poly(N,N'-dibromo-N-ethyl-benzene-1,3-disulfonamide) In ethanol; water at 20℃; for 3h; | 99% |
With diethylamine In ethanol at 20℃; for 2.5h; Green chemistry; | 94% |
With piperidine In ethanol at 20℃; |
Conditions | Yield |
---|---|
With piperidine In ethanol for 2.5h; Knoevenagel condensation; Heating; | 99% |
2-hydroxy-5-methoxybenzaldehyde
4-bromoethylbutanoate
ethyl 4-(2-formyl-4-methoxyphenoxy)butanoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 1h; | 99% |
2-hydroxy-5-methoxybenzaldehyde
ethyl 5-bromovalerate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 1h; | 99% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 99% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 99% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 99% |
2-hydroxy-5-methoxybenzaldehyde
(E)-5-methoxy-2-hydroxybenzaldehyde oxime
Conditions | Yield |
---|---|
With pyridine; hydroxylamine hydrochloride In ethanol at 60℃; for 3h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With [(1,5-cyclooctadiene)(OH)iridium(I)]2 In 1,4-dioxane at 60℃; for 6h; Inert atmosphere; Schlenk technique; Sealed tube; diastereoselective reaction; | 99% |
2-hydroxy-5-methoxybenzaldehyde
6-methoxy-3-(4-methoxyphenyl)-2H-chromen-2-one
Conditions | Yield |
---|---|
With triethylamine In neat (no solvent) at 20℃; for 0.0833333h; Sonication; | 99% |
2-hydroxy-5-methoxybenzaldehyde
Cinnamyl bromide
2-allyloxy-5-methoxybenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h; | 99% |
2-hydroxy-5-methoxybenzaldehyde
4-hydroxy-1-methyl-2(1H)-quinolone
tributylphosphine
Conditions | Yield |
---|---|
With pyrrolidine; benzoic acid In tetrahydrofuran at 30℃; for 1h; Schlenk technique; Inert atmosphere; | 99% |
2-hydroxy-5-methoxybenzaldehyde
propylmaleimide
D-alanine methyl ester hydrochloride
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 125℃; for 0.5h; Microwave irradiation; Green chemistry; diastereoselective reaction; | 99% |
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 20℃; for 24h; Inert atmosphere; | 99% |
2-hydroxy-5-methoxybenzaldehyde
ethyl (triphenylphosphoranylidene)acetate
6-methoxycoumarin
Conditions | Yield |
---|---|
With N,N-diethylaniline Wittig reaction; Reflux; | 98% |
With N,N-diethylaniline at 210 - 215℃; for 2.5h; | 93.4% |
With N,N-diethylaniline for 2.5h; Heating; | 93% |
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