As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
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inquiryProduct Description Product Name 2-Hydroxy-4-methoxybenzaldehyde CAS No. 673-22-3 App
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
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inquiryProduct Name: 2-Hydroxy-4-methoxybenzaldehyde Synonyms: 4-METHOXYSALICYLALDEHYDE;2-HYDROXY-P-ANISALDEHYDE;2-HYDROXY-4-METHOXYBENZALDEHYDE;2-HYDROXY-4-ANISALDEHYDE;2-hydroxy-p-anisaldehyd;4-Methoxysalicyaldehyde;4-o-methylresorcylaldehy
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryProduct Name 2-Hydroxy-4-methoxybenzaldehyde CAS number 673-22-3 Molecular formula C8H8O3 Molecular weight 152.15 Appearance colorless needl
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
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inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
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inquiry2-Hydroxy-4-methoxybenzaldehyde CAS:673-22-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality org
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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We have two GMP facilities in Hubei Province and cooperative factories in Zhejiang Province We are concentrating on the R&D and technical service of APIs and pharmaceutical intermediates Appearance:white powder Storage:room temperature Pa
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inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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inquiryFactory direct sales, accept customization. 2-Hydroxy-4-methoxybenzaldehyde was used in the synthesis of Schiff base ligand. Kind Pharma has its own laboratory, we can do analytical testing for API (Active Pharmaceutical Ingredient), pharmaceutical
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryOur Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci
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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiry4-Methoxysalicylaldehyde(60% in NMP)Appearance:powder Storage:store in a cool dry place and keep away from strong Package:according to customers' requirements Application:in research Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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inquiryConditions | Yield |
---|---|
With triethylamine; magnesium chloride In tetrahydrofuran Inert atmosphere; Reflux; | 98% |
With triethylamine; magnesium chloride In tetrahydrofuran Inert atmosphere; Reflux; regioselective reaction; | 92% |
Stage #1: O-methylresorcine With triethylamine; magnesium chloride In acetonitrile at 20℃; for 0.25h; Stage #2: formaldehyd In acetonitrile Reflux; | 89% |
2-(hydroxymethyl)-5-methoxyphenol
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With oxygen In ethanol at 20℃; under 760.051 Torr; for 0.316667h; Catalytic behavior; Green chemistry; | 98% |
With dihydrogen peroxide at 20℃; for 3.5h; Catalytic behavior; Green chemistry; | 98% |
With air; (acryl-TEMPO)-co-(allylamine-treated chlorophyll b-Co(III) complex) immobilized on SiO2-covered Fe3O4 magnetic nanoparticles In water at 25℃; for 0.333333h; | 94% |
With oxygen In aq. buffer at 45℃; for 13h; pH=4.5; Reagent/catalyst; Green chemistry; | 93 %Chromat. |
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
4-Bromo-1-naphthylamine
A
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; | A n/a B 95% |
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
p-toluidine
A
2-Hydroxy-4-methoxybenzaldehyde
B
C30H33NO8
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; | A n/a B 95% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane at -5 - 25℃; | 94% |
With boron trichloride Ambient temperature; | 93% |
With boron trichloride In dichloromethane at 0 - 20℃; for 16h; Dealkylation; | 93% |
formaldehyd
O-methylresorcine
A
2-Hydroxy-4-methoxybenzaldehyde
B
6-methoxysalicylaldehyde
Conditions | Yield |
---|---|
With triethylamine; magnesium chloride In acetonitrile for 2h; Heating; | A 91% B 5% |
With triethylamine; magnesium chloride |
Conditions | Yield |
---|---|
Stage #1: 2-iodo-5-methoxyphenol With iodine; triethylamine; triphenylphosphine In dichloromethane; toluene at 20℃; for 0.0833333h; Sealed tube; Green chemistry; Stage #2: formic acid In dichloromethane; toluene at 70℃; for 1.5h; Sealed tube; Green chemistry; | 91% |
2-(2-hydroxy-4-methoxyphenyl)acetic acid
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With benzyltriphenylphosphonium peroxodisulfate In acetonitrile for 0.5h; Oxidation; decarboxylation; Heating; | 90% |
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
3-chloro-aniline
A
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; | A n/a B 90% |
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
isopropylamine
A
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; | A n/a B 89% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone Reflux; | 86.3% |
With potassium carbonate In acetone for 5h; Reflux; | 55% |
With potassium carbonate In acetone for 5h; Reflux; | 55% |
(2-formyl-5-methoxyphenyl)boronic acid
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With N,N-dimethyl-p-toluidine N-oxide In dichloromethane at 20℃; for 0.0166667h; | 86% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In toluene at 90℃; for 10h; | 83% |
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; bis-[(trifluoroacetoxy)iodo]benzene In 1,2-dichloro-ethane at 100℃; for 8h; Catalytic behavior; Reagent/catalyst; Temperature; Schlenk technique; Inert atmosphere; chemoselective reaction; | 72% |
With boric acid tributyl ester; dihydrogen peroxide; sec.-butyllithium 1.) THP, 20 deg C, 45 min, 2.) 0 deg C, 1 h; Yield given. Multistep reaction; | |
Multi-step reaction with 2 steps 1.1: sodium sulfate / methanol / 24 h / Reflux 2.1: tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; oxygen / acetone / 0.5 h / 20 °C / Glovebox 2.2: 0.5 h / 70 °C / Glovebox View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 2h; Heating; | 69% |
With potassium carbonate In acetone at 20℃; Inert atmosphere; | 68.4% |
With potassium carbonate In acetone at 20℃; for 24h; | 64% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 1h; Heating; | 65% |
3-methoxyphenyl formate
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With boron tribromide In 1,2-dichloro-ethane at -10 - 20℃; for 23h; Fries rearrangement; | 59% |
2,4-Dihydroxybenzaldehyde
methyl iodide
A
2-Hydroxy-4-methoxybenzaldehyde
B
2,4-Dimethoxybenzaldehyde
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In acetone at 23℃; for 18h; | A 53% B n/a |
With potassium carbonate; β‐cyclodextrin In acetone for 3h; Product distribution; Heating; var. β-cyclodextrin derivatives and reagent ratio; | A 63.6 % Spectr. B 36.4 % Spectr. |
dimethylsulfone
2,4-Dihydroxybenzaldehyde
A
2-Hydroxy-4-methoxybenzaldehyde
B
2,4-Dimethoxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In acetone for 10h; Reflux; | A 51% B 33% |
4-methoxy-benzaldehyde
A
2-Hydroxy-4-methoxybenzaldehyde
B
4-methoxybenzoic acid
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; bis-[(trifluoroacetoxy)iodo]benzene In 1,2-dichloro-ethane at 80℃; for 8h; Reagent/catalyst; Schlenk technique; Inert atmosphere; | A 43% B 9% |
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; potassium acetate; bis-[(trifluoroacetoxy)iodo]benzene In 1,2-dichloro-ethane at 80℃; for 8h; Reagent/catalyst; Temperature; Schlenk technique; Inert atmosphere; | A 5% B 32% |
diazomethane
2,4-Dihydroxybenzaldehyde
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
In diethyl ether at 0℃; | 40% |
With diethyl ether |
3-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
A
2-Hydroxy-4-methoxybenzaldehyde
B
1-(2-hydroxy-4-methoxyphenyl)-2-(4-methoxyphenyl)ethanedione
C
4-methoxybenzoic acid
Conditions | Yield |
---|---|
With manganese triacetate In acetic acid Heating; Further byproducts given; | A 30% B 8% C 34 % Spectr. D 4% |
With manganese triacetate In acetic acid Heating; Further byproducts given; | A 3% B 8% C 34 % Spectr. D 4% |
O-methylresorcine
Dichloromethyl methyl ether
A
2-Hydroxy-4-methoxybenzaldehyde
B
6-methoxysalicylaldehyde
C
4-hydroxy-2-methoxybenzaldehyde
Conditions | Yield |
---|---|
Stage #1: O-methylresorcine With titanium tetrachloride In dichloromethane at 0℃; for 1h; Inert atmosphere; Stage #2: Dichloromethyl methyl ether In dichloromethane at 0℃; for 0.75h; Inert atmosphere; Overall yield = 61 %; | A n/a B n/a C 17% |
diazomethane
diethyl ether
2,4-Dihydroxybenzaldehyde
A
2-Hydroxy-4-methoxybenzaldehyde
B
2,4-Dimethoxybenzaldehyde
O-methylresorcine
hydrogen cyanide
A
2-Hydroxy-4-methoxybenzaldehyde
B
4-hydroxy-2-methoxybenzaldehyde
Conditions | Yield |
---|---|
With hydrogenchloride; diethyl ether und Erhitzen des Reaktionsprodukts mit Wasser; | |
With hydrogenchloride | |
With hydrogenchloride; zinc(II) chloride | |
With hydrogenchloride; aluminium trichloride | |
With hydrogenchloride Darst.; |
O-methylresorcine
chloroform
A
2-Hydroxy-4-methoxybenzaldehyde
B
4-hydroxy-2-methoxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide Nebenprod. 2: zwei isomeren Resorcindialdehydmonomethylaethern; |
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride |
O-methylresorcine
N,N'-diphenylformamidine
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
at 185℃; und Kochen des Reaktionsprodukts mit Natronlauge; |
dimethyl sulfate
2,4-Dihydroxybenzaldehyde
A
2-Hydroxy-4-methoxybenzaldehyde
B
4-hydroxy-2-methoxybenzaldehyde
Conditions | Yield |
---|---|
With methanol; sodium carbonate |
Conditions | Yield |
---|---|
With water; sodium carbonate at 70 - 80℃; | |
With sodium ethanolate In ethanol | |
With potassium hydrogencarbonate In N,N-dimethyl-formamide for 3h; Etherification; Heating; | |
With potassium carbonate; potassium iodide In acetone for 48h; Reflux; | |
With potassium hydrogencarbonate; potassium iodide In acetone for 48h; Reflux; |
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran; water at 20℃; for 1h; Dakin reaction; | 100% |
With 7,8-difluoro-1,3-dimethyl-5-ethyl-4a-hydroperoxyalloxazine; dihydrogen peroxide; sodium hydrogencarbonate In methanol; water at 20℃; for 0.166667h; Dakin oxidation; | 95% |
With dihydrogen peroxide at 20℃; for 0.833333h; Dakin Phenol Oxidation; Green chemistry; | 94% |
With dihydrogen peroxide In water at 20℃; for 2.5h; Dakin Phenol Oxidation; Green chemistry; | 92% |
With sodium percarbonate In tetrahydrofuran; water for 2h; ultrasonication; | 83% |
2-Hydroxy-4-methoxybenzaldehyde
ethyl (triphenylphosphoranylidene)acetate
ethyl 3-(2-hydroxy-4-methoxyphenyl)-(E)-2-propenoate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 0.5h; Wittig Olefination; | 100% |
In dichloromethane at 20℃; | 100% |
In toluene at 20℃; Inert atmosphere; | 90% |
2-Hydroxy-4-methoxybenzaldehyde
propargyl bromide
4-methoxy-2-[(prop-2-yn-1-yl)oxy]benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; | 99% |
Stage #1: 2-Hydroxy-4-methoxybenzaldehyde With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere; Stage #2: propargyl bromide In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 95% |
2-Hydroxy-4-methoxybenzaldehyde
methyl (triphenylphosphoranylidene)acetate
(E)-methyl 2’-hydroxy-4’-methoxycinnamate
Conditions | Yield |
---|---|
In tetrahydrofuran at 95℃; for 5h; Wittig reaction; | 100% |
In dichloromethane at 0 - 20℃; for 15h; Wittig Olefination; Inert atmosphere; | 93% |
In toluene at 150℃; for 0.166667h; Wittig Olefination; Inert atmosphere; Microwave irradiation; Sealed tube; stereoselective reaction; | 89% |
In toluene at 20℃; Inert atmosphere; | 86% |
2-Hydroxy-4-methoxybenzaldehyde
N-tertbutylhydroxylamine hydrochloride
α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone
Conditions | Yield |
---|---|
With pyrrolidine In methanol; water at 20℃; for 16h; | 100% |
With magnesium oxide at 20℃; for 0.0916667h; Neat (no solvent); Grinding; | 86% |
2-Hydroxy-4-methoxybenzaldehyde
(1R,2R)-1,2-diaminocyclohexane
Conditions | Yield |
---|---|
In methanol | 100% |
2-Hydroxy-4-methoxybenzaldehyde
4-methoxyphenyl magnesium bromide
2-hydroxy-4,4'-dimethoxydiphenylmethanol
Conditions | Yield |
---|---|
In tetrahydrofuran at -78℃; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In dichloromethane at 0 - 20℃; for 18h; Mitsunobu Displacement; | 100% |
2-Hydroxy-4-methoxybenzaldehyde
2-((tert-butyldimethylsilyl)oxy)-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With 1H-imidazole; tert-butyldimethylsilyl chloride In dichloromethane at 20℃; Inert atmosphere; | 100% |
2-Hydroxy-4-methoxybenzaldehyde
n-butyllithium
3-Methoxy-6-(1'-hydroxypentyl)phenol
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; Alkylation; | 99.5% |
2-Hydroxy-4-methoxybenzaldehyde
2-hydroxy-4-methoxybenzaldehyde oxime
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 0 - 20℃; | 99% |
With hydroxylamine hydrochloride; sodium acetate In ethanol; water for 3h; Reflux; | 83% |
With hydroxylamine hydrochloride; potassium carbonate In water Reflux; | 77% |
2-Hydroxy-4-methoxybenzaldehyde
acetic anhydride
2-formyl-5-methoxyphenyl acetate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 1h; | 99% |
In pyridine for 17h; | 70% |
With pyridine at 20℃; for 24h; | |
With pyridine at 20℃; for 4h; | |
With pyridine |
2-Hydroxy-4-methoxybenzaldehyde
N,N-phenylbistrifluoromethane-sulfonimide
4-methoxy-2-trifluoromethanesulfonyloxybenzaldehyde
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere; | 99% |
With triethylamine In dichloromethane at 0 - 20℃; | 95% |
With triethylamine | 90% |
2-Hydroxy-4-methoxybenzaldehyde
ethylenediamine
N,N′-bis(4-methoxysalicylidene)-1,2-diaminoethane
Conditions | Yield |
---|---|
In ethanol for 3h; Inert atmosphere; Reflux; | 99% |
In methanol Reflux; | 84% |
In ethanol at 20℃; for 6h; | 80% |
2-Hydroxy-4-methoxybenzaldehyde
1-(bromoacetyl)-3-propylazulene
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 9.5h; Heating; | 99% |
2-Hydroxy-4-methoxybenzaldehyde
methyl-triphenylphosphonium iodide
2-hydroxy-4-methoxy-styrene
Conditions | Yield |
---|---|
Stage #1: methyl-triphenylphosphonium iodide With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 2h; Stage #2: 2-Hydroxy-4-methoxybenzaldehyde In tetrahydrofuran; hexane at -78℃; Wittig reaction; | 99% |
2-Hydroxy-4-methoxybenzaldehyde
N-tert-Butylhydroxylamine
α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone
Conditions | Yield |
---|---|
for 0.0583333h; Ionic liquid; Microwave irradiation; | 99% |
72.9% |
2-Hydroxy-4-methoxybenzaldehyde
2-(1-methyl-1H-indol-3-yl)ethylamine
trifluoroacetic anhydride
Conditions | Yield |
---|---|
Stage #1: 2-Hydroxy-4-methoxybenzaldehyde; 2-(1-methyl-1H-indol-3-yl)ethylamine In chloroform at -40℃; for 8h; Molecular sieve; Stage #2: trifluoroacetic anhydride In chloroform at -40℃; Molecular sieve; | 99% |
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; | 99% |
2-Hydroxy-4-methoxybenzaldehyde
trans-1,2-Diaminocyclohexane
Conditions | Yield |
---|---|
In neat (no solvent) for 0.166667h; | 99% |
In ethanol at 20℃; for 6h; | 80% |
2-Hydroxy-4-methoxybenzaldehyde
1-(6-methoxybenzofuran-2-yl)ethan-1-one
Conditions | Yield |
---|---|
With potassium carbonate; chloroacetone In acetone for 24h; Inert atmosphere; Reflux; | 99% |
Multi-step reaction with 2 steps 1: caesium carbonate / N,N-dimethyl-formamide / 18 h / 22 °C 2: toluene-4-sulfonic acid / tetrahydrofuran / 1 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With Fe3O4(at)SiO2(at)Propyl-7-aminonaphthalene-1,3-disulfonic acid In water for 0.583333h; Reflux; | 99% |
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 20℃; for 24h; Inert atmosphere; | 99% |
2-Hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 20℃; | 99% |
Conditions | Yield |
---|---|
With piperidine; acetic acid In acetonitrile for 8h; Reflux; | 98.7% |
With piperidine In ethanol |
2-Hydroxy-4-methoxybenzaldehyde
5-bromo-2-hydroxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With bromine In dichloromethane at -20℃; for 0.333333h; Inert atmosphere; regioselective reaction; | 98% |
With 1,3-di-n-butyl-1H-imidazol-3-ium tribromide at 20℃; Neat (no solvent); regioselective reaction; | 98% |
With bromine; acetic acid at 0 - 20℃; for 2h; | 90% |
2-Hydroxy-4-methoxybenzaldehyde
ethyl bromoacetate
2-ethoxycarbonylmethoxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
Stage #1: 2-Hydroxy-4-methoxybenzaldehyde With sodium carbonate In acetone for 0.5h; Large scale; Stage #2: ethyl bromoacetate In acetone for 2h; Reagent/catalyst; Reflux; Large scale; | 98% |
With potassium carbonate In N,N-dimethyl-formamide | 97% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 97% |
2-Hydroxy-4-methoxybenzaldehyde
allyl bromide
2-allyloxy-4-methoxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide; benzyltri(n-butyl)ammonium chloride In dichloromethane Ambient temperature; | 98% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; | 98% |
With potassium carbonate In N,N-dimethyl-formamide | 98% |
2-Hydroxy-4-methoxybenzaldehyde
1-[4-((E)-4-methoxyl-2-hydroxybenzylidene)]oxime
Conditions | Yield |
---|---|
With pyridine; hydroxylamine hydrochloride In ethanol at 60℃; for 3h; Inert atmosphere; | 98% |
With N-hydroxyphthalimide In water at 90℃; for 3h; Sealed tube; | 90% |
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 0 - 20℃; for 1h; | 71% |
With pyridine; hydroxylamine hydrochloride In ethanol Condensation; | |
With hydroxylamine hydrochloride; triethylamine In ethanol; ethyl acetate |
2-Hydroxy-4-methoxybenzaldehyde
(1R,2S,4aR,8aR)-2-hydroxy-decahydro-5,5,8a-trimethyl-1-naphthylmethanol
Conditions | Yield |
---|---|
With sulfuric acid In dimethyl sulfoxide at 20℃; for 1.5h; | 98% |
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