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Dayang Chem (Hangzhou) Co.,Ltd.

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

2-Hydroxy-4-methoxybenzaldehyde Manufacturer/High quality/Best price/In stock

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

Hebei 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

Factory supply 2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product Name 2-Hydroxy-4-methoxybenzaldehyde CAS No. 673-22-3 App

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:10 Gram

FOB Price: $20.0 / 30.0

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

The 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

Factory Supply 4-methoxysalicylaldehyde

Cas:673-22-3

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Content Natural Extract 2-Hydroxy-4-methoxybenzaldehyde HACCP manufacturer

Cas:673-22-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 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,

4-Mthoxysalicylaldehyde

Cas:673-22-3

Min.Order:5 Milligram

Negotiable

Type:Manufacturers

inquiry

COLORCOM LTD.

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

2-Hydroxy-4-Methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our 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

4-Methoxysalicylaldehyde

Cas:673-22-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product 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

673-22-3 2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $8900.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

2-Hydroxy-4-methoxybenzaldehyde 673-22-3

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Factory direct supply CAS 673-22-3 with best quality

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name 2-Hydroxy-4-methoxybenzaldehyde CAS number 673-22-3 Molecular formula C8H8O3 Molecular weight 152.15 Appearance colorless needl

MOSA;2-hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Benzaldehyde,2-hydroxy-4-methoxy- 673-22-3

Cas:673-22-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our 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

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $64.0 / 67.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2-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

2-Hydroxy-4-methoxybenzaldehyde CAS:673-22-3

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Benzaldehyde,2-hydroxy-4-methoxy-

Cas:673-22-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

CAS NO.:673-22-3

Cas:673-22-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

4-Methoxysalicylaldehyde

Cas:673-22-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

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

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan 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

4-Methoxysalicylaldehyde 99%

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

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

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Tianjin Kind Pharma Co., Ltd.

Factory 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

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company 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

2-HYDROXY-4-METHOXYBENZALDEHYDE,673-22-3

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our 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

2-Hydroxy-4-methoxybenzaldehyde CAS NO.673-22-3

Cas:673-22-3

Min.Order:1 Kilogram

FOB Price: $150.0 / 180.0

Type:Trading Company

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Shanghai Massive Chemical Technology Co., Ltd.

Massive 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

2-Hydroxy-4-methoxybenzaldehyde/High quality/Best price

Cas:673-22-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

High purity 2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

4-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(

4-Methoxysalicylaldehyde(60% in NMP)

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Zibo Dorne chemical technology co. LTD

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,

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

2-Hydroxy-4-methoxybenzaldehyde

Cas:673-22-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

formaldehyd
50-00-0

formaldehyd

O-methylresorcine
150-19-6

O-methylresorcine

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
59648-29-2

2-(hydroxymethyl)-5-methoxyphenol

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
954374-77-7

ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate

4-Bromo-1-naphthylamine
2298-07-9

4-Bromo-1-naphthylamine

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

C33H32NO8Br

C33H32NO8Br

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;A n/a
B 95%
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
954374-77-7

ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate

p-toluidine
106-49-0

p-toluidine

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

C30H33NO8
954374-93-7

C30H33NO8

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;A n/a
B 95%
2,4-Dimethoxybenzaldehyde
613-45-6

2,4-Dimethoxybenzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
50-00-0

formaldehyd

O-methylresorcine
150-19-6

O-methylresorcine

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

6-methoxysalicylaldehyde
700-44-7

6-methoxysalicylaldehyde

Conditions
ConditionsYield
With triethylamine; magnesium chloride In acetonitrile for 2h; Heating;A 91%
B 5%
With triethylamine; magnesium chloride
formic acid
64-18-6

formic acid

2-iodo-5-methoxyphenol
41046-70-2

2-iodo-5-methoxyphenol

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
20503-09-7

2-(2-hydroxy-4-methoxyphenyl)acetic acid

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With benzyltriphenylphosphonium peroxodisulfate In acetonitrile for 0.5h; Oxidation; decarboxylation; Heating;90%
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
954374-77-7

ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate

3-chloro-aniline
108-42-9

3-chloro-aniline

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

C29H30ClNO8

C29H30ClNO8

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;A n/a
B 90%
ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate
954374-77-7

ethyl (E)-3-(2-formyl-5-methoxyphenoxy)acrylate

isopropylamine
75-31-0

isopropylamine

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

C26H33NO8

C26H33NO8

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;A n/a
B 89%
dimethyl sulfate
77-78-1

dimethyl sulfate

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
40138-18-9

(2-formyl-5-methoxyphenyl)boronic acid

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With N,N-dimethyl-p-toluidine N-oxide In dichloromethane at 20℃; for 0.0166667h;86%
dimethylsulfone
67-71-0

dimethylsulfone

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With sodium hydrogencarbonate In toluene at 90℃; for 10h;83%
4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

methyl iodide
74-88-4

methyl iodide

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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%
chloro-(2,3-dimethyl-but-2-enyl)-dimethyl-silane

chloro-(2,3-dimethyl-but-2-enyl)-dimethyl-silane

methyl p-toluene sulfonate
80-48-8

methyl p-toluene sulfonate

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 1h; Heating;65%
3-methoxyphenyl formate
30114-41-1

3-methoxyphenyl formate

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With boron tribromide In 1,2-dichloro-ethane at -10 - 20℃; for 23h; Fries rearrangement;59%
2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

methyl iodide
74-88-4

methyl iodide

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

2,4-Dimethoxybenzaldehyde
613-45-6

2,4-Dimethoxybenzaldehyde

Conditions
ConditionsYield
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
67-71-0

dimethylsulfone

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

2,4-Dimethoxybenzaldehyde
613-45-6

2,4-Dimethoxybenzaldehyde

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetone for 10h; Reflux;A 51%
B 33%
4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

4-methoxybenzoic acid
100-09-4

4-methoxybenzoic acid

Conditions
ConditionsYield
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%
2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
In diethyl ether at 0℃;40%
With diethyl ether
3-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
13198-99-7

3-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

1-(2-hydroxy-4-methoxyphenyl)-2-(4-methoxyphenyl)ethanedione
77184-86-2

1-(2-hydroxy-4-methoxyphenyl)-2-(4-methoxyphenyl)ethanedione

C

4-methoxybenzoic acid
100-09-4

4-methoxybenzoic acid

D

6-methoxy-2-(4-methoxybenzoyloxy)-3(2H)-benzofuranone

6-methoxy-2-(4-methoxybenzoyloxy)-3(2H)-benzofuranone

Conditions
ConditionsYield
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
150-19-6

O-methylresorcine

Dichloromethyl methyl ether
4885-02-3

Dichloromethyl methyl ether

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

6-methoxysalicylaldehyde
700-44-7

6-methoxysalicylaldehyde

C

4-hydroxy-2-methoxybenzaldehyde
18278-34-7

4-hydroxy-2-methoxybenzaldehyde

Conditions
ConditionsYield
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%
diethyl ether
60-29-7

diethyl ether

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

2,4-Dimethoxybenzaldehyde
613-45-6

2,4-Dimethoxybenzaldehyde

O-methylresorcine
150-19-6

O-methylresorcine

hydrogen cyanide
74-90-8

hydrogen cyanide

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

4-hydroxy-2-methoxybenzaldehyde
18278-34-7

4-hydroxy-2-methoxybenzaldehyde

Conditions
ConditionsYield
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
150-19-6

O-methylresorcine

chloroform
67-66-3

chloroform

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

4-hydroxy-2-methoxybenzaldehyde
18278-34-7

4-hydroxy-2-methoxybenzaldehyde

Conditions
ConditionsYield
With sodium hydroxide Nebenprod. 2: zwei isomeren Resorcindialdehydmonomethylaethern;
2-hydroxy-4-methoxy-benzoic acid-(N-methyl-anilide)

2-hydroxy-4-methoxy-benzoic acid-(N-methyl-anilide)

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
With lithium aluminium tetrahydride
O-methylresorcine
150-19-6

O-methylresorcine

N,N'-diphenylformamidine
864131-95-3

N,N'-diphenylformamidine

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
at 185℃; und Kochen des Reaktionsprodukts mit Natronlauge;
dimethyl sulfate
77-78-1

dimethyl sulfate

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

A

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

B

4-hydroxy-2-methoxybenzaldehyde
18278-34-7

4-hydroxy-2-methoxybenzaldehyde

Conditions
ConditionsYield
With methanol; sodium carbonate
methyl bromide
74-83-9

methyl bromide

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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;
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

4-methoxycatechol
3934-97-2

4-methoxycatechol

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

ethyl 3-(2-hydroxy-4-methoxyphenyl)-(E)-2-propenoate
139386-27-9

ethyl 3-(2-hydroxy-4-methoxyphenyl)-(E)-2-propenoate

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

propargyl bromide
106-96-7

propargyl bromide

4-methoxy-2-[(prop-2-yn-1-yl)oxy]benzaldehyde
236390-57-1

4-methoxy-2-[(prop-2-yn-1-yl)oxy]benzaldehyde

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

methyl (triphenylphosphoranylidene)acetate
21204-67-1

methyl (triphenylphosphoranylidene)acetate

(E)-methyl 2’-hydroxy-4’-methoxycinnamate
93198-68-6

(E)-methyl 2’-hydroxy-4’-methoxycinnamate

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

N-tertbutylhydroxylamine hydrochloride
57497-39-9

N-tertbutylhydroxylamine hydrochloride

α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone
255052-05-2

α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

(1R,2R)-1,2-diaminocyclohexane
20439-47-8

(1R,2R)-1,2-diaminocyclohexane

N,N'-bis(4-methoxysalicylidene)-(R,R')-1,2-cyclohexanediamine

N,N'-bis(4-methoxysalicylidene)-(R,R')-1,2-cyclohexanediamine

Conditions
ConditionsYield
In methanol100%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

4-methoxyphenyl magnesium bromide
13139-86-1

4-methoxyphenyl magnesium bromide

2-hydroxy-4,4'-dimethoxydiphenylmethanol
433331-87-4

2-hydroxy-4,4'-dimethoxydiphenylmethanol

Conditions
ConditionsYield
In tetrahydrofuran at -78℃; Inert atmosphere;100%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

3-(3,4-dimethoxyphenyl)prop-2-yn-1-ol
6258-35-1

3-(3,4-dimethoxyphenyl)prop-2-yn-1-ol

2-((3-(3,4-dimethoxyphenyl)prop-2-yn-1-yl)oxy)-4-methoxybenzaldehyde

2-((3-(3,4-dimethoxyphenyl)prop-2-yn-1-yl)oxy)-4-methoxybenzaldehyde

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In dichloromethane at 0 - 20℃; for 18h; Mitsunobu Displacement;100%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

2-((tert-butyldimethylsilyl)oxy)-4-methoxybenzaldehyde
192711-11-8

2-((tert-butyldimethylsilyl)oxy)-4-methoxybenzaldehyde

Conditions
ConditionsYield
With 1H-imidazole; tert-butyldimethylsilyl chloride In dichloromethane at 20℃; Inert atmosphere;100%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

3-Methoxy-6-(1'-hydroxypentyl)phenol
137362-04-0

3-Methoxy-6-(1'-hydroxypentyl)phenol

Conditions
ConditionsYield
In tetrahydrofuran at 0℃; Alkylation;99.5%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

2-hydroxy-4-methoxybenzaldehyde oxime
17861-16-4

2-hydroxy-4-methoxybenzaldehyde oxime

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

acetic anhydride
108-24-7

acetic anhydride

2-formyl-5-methoxyphenyl acetate
62536-84-9

2-formyl-5-methoxyphenyl acetate

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

N,N-phenylbistrifluoromethane-sulfonimide
37595-74-7

N,N-phenylbistrifluoromethane-sulfonimide

4-methoxy-2-trifluoromethanesulfonyloxybenzaldehyde
197015-32-0

4-methoxy-2-trifluoromethanesulfonyloxybenzaldehyde

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere;99%
With triethylamine In dichloromethane at 0 - 20℃;95%
With triethylamine90%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

ethylenediamine
107-15-3

ethylenediamine

N,N′-bis(4-methoxysalicylidene)-1,2-diaminoethane
157982-82-6

N,N′-bis(4-methoxysalicylidene)-1,2-diaminoethane

Conditions
ConditionsYield
In ethanol for 3h; Inert atmosphere; Reflux;99%
In methanol Reflux;84%
In ethanol at 20℃; for 6h;80%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

1-(bromoacetyl)-3-propylazulene
490038-99-8

1-(bromoacetyl)-3-propylazulene

1-(6-methoxybenzofuran-2-carbonyl)-3-propylazulene

1-(6-methoxybenzofuran-2-carbonyl)-3-propylazulene

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 9.5h; Heating;99%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

methyl-triphenylphosphonium iodide
2065-66-9

methyl-triphenylphosphonium iodide

2-hydroxy-4-methoxy-styrene
522592-59-2

2-hydroxy-4-methoxy-styrene

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

N-tert-Butylhydroxylamine
16649-50-6

N-tert-Butylhydroxylamine

α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone
255052-05-2

α-(2-hydroxy-4-methoxyphenyl)-N-tert-butylnitrone

Conditions
ConditionsYield
for 0.0583333h; Ionic liquid; Microwave irradiation;99%
72.9%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

2-(1-methyl-1H-indol-3-yl)ethylamine
7518-21-0

2-(1-methyl-1H-indol-3-yl)ethylamine

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

C21H19F3N2O3

C21H19F3N2O3

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

3,4,5-tri(2’,3’-dihydrophytyloxy)benzylchloride

3,4,5-tri(2’,3’-dihydrophytyloxy)benzylchloride

2-(3’,4’,5’-tri(2",3"-dihydrophytyloxy)benzyloxy)-4-methoxybenzaldehyde

2-(3’,4’,5’-tri(2",3"-dihydrophytyloxy)benzyloxy)-4-methoxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃;99%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

(±)-trans-N,N′-1,2-cyclohexylenebis(2-hydroxy-4-methoxybenzylideneamine)

(±)-trans-N,N′-1,2-cyclohexylenebis(2-hydroxy-4-methoxybenzylideneamine)

Conditions
ConditionsYield
In neat (no solvent) for 0.166667h;99%
In ethanol at 20℃; for 6h;80%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

1-(6-methoxybenzofuran-2-yl)ethan-1-one
52814-92-3

1-(6-methoxybenzofuran-2-yl)ethan-1-one

Conditions
ConditionsYield
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
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

dimedone
126-81-8

dimedone

malononitrile
109-77-3

malononitrile

C19H20N2O4

C19H20N2O4

Conditions
ConditionsYield
With Fe3O4(at)SiO2(at)Propyl-7-aminonaphthalene-1,3-disulfonic acid In water for 0.583333h; Reflux;99%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

ethyl 2-amino-3-phenylpropanoate hydrochloride
3182-93-2

ethyl 2-amino-3-phenylpropanoate hydrochloride

ethyl (E)-2-((2-hydroxy-4-methoxybenzylidene)amino)-3-phenylpropanoate

ethyl (E)-2-((2-hydroxy-4-methoxybenzylidene)amino)-3-phenylpropanoate

Conditions
ConditionsYield
With triethylamine In acetonitrile at 20℃; for 24h; Inert atmosphere;99%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

C8H10N2O2

C8H10N2O2

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 20℃;99%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

1H-benzimidazol-2-acetonitrile
4414-88-4

1H-benzimidazol-2-acetonitrile

3-(1H-benzoimidazol-2-yl)-7-methoxy-chromen-2-ylideneamine

3-(1H-benzoimidazol-2-yl)-7-methoxy-chromen-2-ylideneamine

Conditions
ConditionsYield
With piperidine; acetic acid In acetonitrile for 8h; Reflux;98.7%
With piperidine In ethanol
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

5-bromo-2-hydroxy-4-methoxybenzaldehyde
57543-36-9

5-bromo-2-hydroxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

ethyl bromoacetate
105-36-2

ethyl bromoacetate

2-ethoxycarbonylmethoxy-4-methoxybenzaldehyde
76322-06-0

2-ethoxycarbonylmethoxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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-formamide97%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;97%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

allyl bromide
106-95-6

allyl bromide

2-allyloxy-4-methoxybenzaldehyde
71186-58-8

2-allyloxy-4-methoxybenzaldehyde

Conditions
ConditionsYield
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-formamide98%
2-Hydroxy-4-methoxybenzaldehyde
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

1-[4-((E)-4-methoxyl-2-hydroxybenzylidene)]oxime
155912-26-8

1-[4-((E)-4-methoxyl-2-hydroxybenzylidene)]oxime

Conditions
ConditionsYield
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
673-22-3

2-Hydroxy-4-methoxybenzaldehyde

(1R,2S,4aR,8aR)-2-hydroxy-decahydro-5,5,8a-trimethyl-1-naphthylmethanol
190451-39-9

(1R,2S,4aR,8aR)-2-hydroxy-decahydro-5,5,8a-trimethyl-1-naphthylmethanol

1-[(3R,4aS,6aR,10aR,10bR)-decahydro-7,7,10a-trimethyl-1H-naphtho-[2,1-d][1,3]-dioxin-3-yl]-4-methoxy-2-phenol

1-[(3R,4aS,6aR,10aR,10bR)-decahydro-7,7,10a-trimethyl-1H-naphtho-[2,1-d][1,3]-dioxin-3-yl]-4-methoxy-2-phenol

Conditions
ConditionsYield
With sulfuric acid In dimethyl sulfoxide at 20℃; for 1.5h;98%
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