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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

2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2,4-Dihydroxy Benzoic Acid with high purity

Cas:89-86-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name 2,4-Dihydroxybenzoic acid CAS number 89-86-1 Assay ≥99% Appearance White crystalline powder Capacity 100mt/year Application Pharmaceutical/p

2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Off-white powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical intermediate Tra

Manufacturer high quality 2,4-Dihydroxybenzoic acid Cas 89-86-1 with good price

Cas:89-86-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

beta-Resorcylic acid

Cas:89-86-1

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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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 2,4-dihydroxybenzoic acid

Cas:89-86-1

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 Quality 99% 89-86-1 2,4-Dihydroxybenzoic acid Manufacturer

Cas:89-86-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Win-Win chemical Co.Ltd

Stock products, own laboratory Product number 10260 English Name 2,4-Dihydroxy Benzoic Acid CAS Number 89-86-1 Purity 99%+ Molecular form

2,4-Dihydroxy Benzoic Acid cas no. 89-86-1 98%

Cas:89-86-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--89-86-1--2,4-Dihydroxybenzoic acid factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business

TIANFUCHEM--89-86-1--2,4-Dihydroxybenzoic acid factory price

Cas:89-86-1

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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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

2,4-Dihydroxybenzoic acid 89-86-1

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: β-Resorcylic acid CAS No.: 89-86-1 Molecular Formula: C7H6O4 Molecular Weight: 154.12014 EINEC No.: 201-946-9 Appearance:White Powder Storage:Store in cool and dry pl

β-Resorcylic acid

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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

High CAS 89-86-1 with best price

Cas:89-86-1

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen

2,4-Dihydroxybenzoic acid 99% CAS NO.89-86-1

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $2.0 / 6.0

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers

Factory supply 2,4-Dihydroxybenzoic acid 89-86-1 with lower price

Cas:89-86-1

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 8 years exporting experience. for 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 Specializ

High quality 2,4-Dihydroxybenzoic acid 89-86-1

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Hangzhou Fonlynn Health Technology Co., Ltd.

2,4-Dihydroxybenzoic acid 89-86-1 cas β-Resorcypc acid 2,4-dihydroxybenzoate Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our ex

2,4-Dihydroxybenzoic acid 89-86-1 cas β-Resorcypc acid 2,4-dihydroxybenzoate

Cas:89-86-1

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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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

Antibacterial fungicide, 2,4-Dihydroxybenzoic acid CAS:89-86-1

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $65.0 / 69.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2,4-Dihydroxybenzoic acid CAS:89-86-1 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 organic in

2,4-Dihydroxybenzoic acid CAS:89-86-1

Cas:89-86-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Beta-Resorcyclic

Cas:89-86-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 89-86-1 2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:89-86-1

Cas:89-86-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

2,4-Dihydroxybenzoic acid,BRA

Cas:89-86-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Company information Quality: Our products have good quality and we have many old customers. Manufacturer technologly: Our technology person is professinal with the chemical products,which is qualified with many standrad. Price: Our price is low

Factory Price 2, 4-Dihydroxybenzoic Acid CAS 89-86-1 2,4-Dihydroxybenzoic Acid

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $80.0 / 100.0

Type:Trading Company

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales 2,4-Dihydroxybenzoic acid CAS 89-86-1

Cas:89-86-1

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

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

2,4-Dihydroxy Benzoic Acid

Cas:89-86-1

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

2,4-Dihydroxybenzoic acid 89-86-1

Cas:89-86-1

Min.Order:1 Kilogram

FOB Price: $16.0 / 20.0

Type:Lab/Research institutions

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

2,4-Dihydroxybenzoic acid

Cas:89-86-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Synthetic route

recorcinol
108-46-3

recorcinol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With hydrogenchloride; CO2; potassium carbonate In water96.7%
With potassium dicarbonate; water
With sodium hydrogencarbonate anschliessendes Einleiten von Kohlendioxid;
3-methoxy butanol
2517-43-3

3-methoxy butanol

recorcinol
108-46-3

recorcinol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; CO2 In water95.4%
With CO2; potassium carbonate In water87.4%
2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With sodium chlorite; sodium methylate In dimethyl sulfoxide95%
With tert.-butylhydroperoxide; copper(ll) bromide In water; acetonitrile at 20℃; for 9h; Inert atmosphere; chemoselective reaction;91%
With dihydrogen peroxide; silver nitrate In acetonitrile at 50℃; for 1h; chemoselective reaction;90%
With potassium carbonate beim Schmelzen;
salicylic acid
69-72-7

salicylic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water at 20℃; for 1h; UV-irradiation; Green chemistry; regioselective reaction;92%
1,3-dihydroxy-4-dihydroxymethyl benzene
33617-59-3

1,3-dihydroxy-4-dihydroxymethyl benzene

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(ll) bromide In water; dimethyl sulfoxide for 22h; Inert atmosphere; Reflux; chemoselective reaction;89%
2',4'-dihydroxy-4-acetophenone
89-84-9

2',4'-dihydroxy-4-acetophenone

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With N-bromophthalimide; mercury(II) diacetate In chloroform at 20℃; for 2h;86%
Multi-step reaction with 2 steps
1: iodine
2: aq.-ethanolic NaOH-solution
View Scheme
With dihydrogen peroxide In water at 22 - 25℃; for 11688h;
1-methoxy-2-propanol
107-98-2

1-methoxy-2-propanol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With hydrogenchloride; CO2; potassium carbonate In water85%
carbon dioxide
124-38-9

carbon dioxide

recorcinol
108-46-3

recorcinol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 30℃; under 15001.5 Torr; for 28h; Solvent; Reagent/catalyst; Kolbe-Schmidt Synthesis; Autoclave;84%
With water; sodium hydrogencarbonate at 100℃; for 3h; Kolbe-Schmidt Synthesis;64%
With potassium hydrogencarbonate In water for 4h; Reflux;
(2,4-dihydroxyphenyl)acetic acid
614-82-4

(2,4-dihydroxyphenyl)acetic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With iodine; dimethyl sulfoxide at 120℃; for 28h; Sealed tube; Green chemistry;83%
acetic anhydride
108-24-7

acetic anhydride

2,4,4'-Triacetoxy-3'-methoxy-chalkon
89475-40-1

2,4,4'-Triacetoxy-3'-methoxy-chalkon

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

3-methoxy-4-hydroxybenzoic acid
121-34-6

3-methoxy-4-hydroxybenzoic acid

Conditions
ConditionsYield
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetone, water, 20 min : decomposition reaction;A 54%
B 73%
2,4 dimethoxybenzoic acid
91-52-1

2,4 dimethoxybenzoic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With aluminium trichloride In chlorobenzene for 0.75h; Heating;71%
acetic anhydride
108-24-7

acetic anhydride

3'-methoxy-4',7-dihydroxyflavylium chloride
4082-07-9

3'-methoxy-4',7-dihydroxyflavylium chloride

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

3-methoxy-4-hydroxybenzoic acid
121-34-6

3-methoxy-4-hydroxybenzoic acid

Conditions
ConditionsYield
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetone, water, 20 min : decomposition reaction;A 48%
B 64%
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) water, acetone, 20 min; Yield given. Multistep reaction. Yields of byproduct given;
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) water, acetic ester, 20 min; Yield given. Multistep reaction. Yields of byproduct given;
methyl 2,4-dihydroxybenzoate
2150-47-2

methyl 2,4-dihydroxybenzoate

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With sodium hydroxide for 2h; Heating;41%
potassium hydrogencarbonate
298-14-6

potassium hydrogencarbonate

recorcinol
108-46-3

recorcinol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
In water at 160℃; under 30003 Torr; for 0.0902778h; Temperature; Time; Pressure; Kolbe-Schmidt Synthesis;22%
salicylic acid
69-72-7

salicylic acid

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

2,6-Dihydroxybenzoic acid
303-07-1

2,6-Dihydroxybenzoic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water at 20℃; for 1h; UV-irradiation; Green chemistry;A 7%
B 8%
7-hydroxy-2H-chromen-2-one
93-35-6

7-hydroxy-2H-chromen-2-one

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

recorcinol
108-46-3

recorcinol

Conditions
ConditionsYield
Kalischmelze;
7-hydroxycoumarin-4-carboxylic acid
21392-45-0

7-hydroxycoumarin-4-carboxylic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
bei der Natronschmelze;
4,6-dihydroxyisophthalic acid
19829-74-4

4,6-dihydroxyisophthalic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With water at 100℃; im Rohr;
2,2,2-trichloro-1-(2,4-dihydroxy-phenyl)-ethanone
76569-42-1

2,2,2-trichloro-1-(2,4-dihydroxy-phenyl)-ethanone

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With sodium hydroxide
9-(2,4,α-trihydroxy-benzyl)-xanthene-3,6-diol
854869-04-8

9-(2,4,α-trihydroxy-benzyl)-xanthene-3,6-diol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
at 200℃; bei der Natronschmelze;
1,2,5,7,8,9,1',2',5',7',8',9'-dodecahydro-4H,4'H-[9,9']bixanthenyl-3,6,3',6'-tetraone

1,2,5,7,8,9,1',2',5',7',8',9'-dodecahydro-4H,4'H-[9,9']bixanthenyl-3,6,3',6'-tetraone

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

recorcinol
108-46-3

recorcinol

Conditions
ConditionsYield
at 280℃; bei der Natronschmelze;
1-(2,4-dihydroxy-phenacyl)-pyridinium; iodide
35244-15-6

1-(2,4-dihydroxy-phenacyl)-pyridinium; iodide

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With sodium hydroxide
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
Diazotization;
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

diethyl ether
60-29-7

diethyl ether

recorcinol
108-46-3

recorcinol

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

2,6-Dihydroxybenzoic acid
303-07-1

2,6-Dihydroxybenzoic acid

Conditions
ConditionsYield
anschliessendes Behandeln mit festem CO2;
sodium methylate
124-41-4

sodium methylate

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

recorcinol
108-46-3

recorcinol

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

2,6-Dihydroxybenzoic acid
303-07-1

2,6-Dihydroxybenzoic acid

Conditions
ConditionsYield
at 100℃; under 4560 Torr;
methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

recorcinol
108-46-3

recorcinol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With water; potassium hydrogencarbonate
With water; sodium hydrogencarbonate
methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

recorcinol
108-46-3

recorcinol

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

2,6-Dihydroxybenzoic acid
303-07-1

2,6-Dihydroxybenzoic acid

Conditions
ConditionsYield
With sodium methylate at 100℃; under 4560 Torr;
recorcinol
108-46-3

recorcinol

A

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

B

2,6-Dihydroxybenzoic acid
303-07-1

2,6-Dihydroxybenzoic acid

Conditions
ConditionsYield
With n-butyllithium; diethyl ether anschliessend Behandeln mit Kohlendioxid;
With carbon dioxide; potassium hydrogencarbonate at 120℃;
With salicylic acid decarboxylase from Trichosporon moniliiforme; potassium hydrogencarbonate at 30℃; for 24h; pH=8.5; aq. phosphate buffer; Enzymatic reaction;
7-hydroxy-2H-chromen-2-one
93-35-6

7-hydroxy-2H-chromen-2-one

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Conditions
ConditionsYield
With ruthenium tetroxide; trifluoroacetic anhydride 1.) carbon tetrachloride, reflux; Yield given. Multistep reaction;
With hypochlorite In aq. buffer pH=7.4;
methanol
67-56-1

methanol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

methyl 2,4-dihydroxybenzoate
2150-47-2

methyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With sulfuric acid for 72h; Heating;100%
With sulfuric acid In water for 120h; Reflux; Inert atmosphere;100%
With sulfuric acid for 20h; Reflux;99%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

dimethyl sulfate
77-78-1

dimethyl sulfate

methyl 2, 4-dimethoxybenzoate
2150-41-6

methyl 2, 4-dimethoxybenzoate

Conditions
ConditionsYield
With potassium carbonate100%
With potassium hydroxide at 50℃;
With potassium hydroxide
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 70 - 115℃; for 10.5h;
With potassium carbonate In acetone
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

2,4-bis-methoxymethoxy-benzoic acid methoxymethyl ester

2,4-bis-methoxymethoxy-benzoic acid methoxymethyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 0.5h;100%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

tert-butyldimethylsilyl 2,4-bis[(tert-butyldimethylsilyl)oxy]benzoate

tert-butyldimethylsilyl 2,4-bis[(tert-butyldimethylsilyl)oxy]benzoate

Conditions
ConditionsYield
Stage #1: 4-hydroxysalicylic acid With triethylamine In dichloromethane for 1h;
Stage #2: tert-butyldimethylsilyl chloride In dichloromethane at 20℃; for 16h;
100%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

methyl 2, 4-dimethoxybenzoate
2150-41-6

methyl 2, 4-dimethoxybenzoate

Conditions
ConditionsYield
With diiron nonacarbonyl at 180℃; for 1h; Sealed tube;99%
ethyl bromide
74-96-4

ethyl bromide

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

4-ethoxy-2-hydroxybenzoic acid
10435-55-9

4-ethoxy-2-hydroxybenzoic acid

Conditions
ConditionsYield
With alkali hydroxide In ethanol; water at 60℃; for 16h;98%
With potassium hydroxide; ethanol
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

5-(2,4-dichlorophenyl)-4-amino-3-mercapto-4H-1,2,4-triazole
93677-89-5

5-(2,4-dichlorophenyl)-4-amino-3-mercapto-4H-1,2,4-triazole

4-[3-(2,4-Dichloro-phenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-benzene-1,3-diol
128032-44-0

4-[3-(2,4-Dichloro-phenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-benzene-1,3-diol

Conditions
ConditionsYield
With trichlorophosphate for 1h; Heating;98%
With trichlorophosphate for 1h; Heating;98%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl 2,4-bis(benzyloxy)benzoate
121903-70-6

benzyl 2,4-bis(benzyloxy)benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20 - 90℃; for 13h; Inert atmosphere;98%
With potassium carbonate In acetonitrile at 70℃; for 5h;98%
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 16h;77%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

benzyl bromide
100-39-0

benzyl bromide

2,4-bis(benzyloxy)benzoic acid
85593-77-7

2,4-bis(benzyloxy)benzoic acid

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20 - 50℃;96%
With sodium hydroxide; sodium hydride Yield given. Multistep reaction;
2-(4-aminophenyl)benzothiazole
6278-73-5

2-(4-aminophenyl)benzothiazole

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

N-(4-(benzo[d]thiazol-2-yl)phenyl)-2,4-dihydroxybenzamide

N-(4-(benzo[d]thiazol-2-yl)phenyl)-2,4-dihydroxybenzamide

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In acetonitrile Reflux;96%
With dicyclohexyl-carbodiimide Reflux;
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

ethylene glycol
107-21-1

ethylene glycol

2-hydroxyethyl 2,4-dihydroxybenzoate

2-hydroxyethyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With aluminum oxide; methanesulfonic acid at 80℃; for 0.25h;95%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

5-bromo-4-hydroxysalicylic acid
7355-22-8

5-bromo-4-hydroxysalicylic acid

Conditions
ConditionsYield
With bromine; acetic acid at 20℃; regioselective reaction;94%
With bromine; acetic acid at 20℃; regioselective reaction;94%
With bromine; acetic acid90%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

methyl iodide
74-88-4

methyl iodide

methyl 2,4-dihydroxybenzoate
2150-47-2

methyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 40℃;94%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 24h; Ambient temperature;85%
Stage #1: 4-hydroxysalicylic acid With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃;
Stage #2: methyl iodide In N,N-dimethyl-formamide at 40℃; for 10h;
84.4%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

acetic anhydride
108-24-7

acetic anhydride

2,4-bis(acetyloxy)benzoic acid
51-01-4

2,4-bis(acetyloxy)benzoic acid

Conditions
ConditionsYield
With pyridine; dmap at 20℃; for 24h;93%
With dmap; triethylamine In tetrahydrofuran at 20℃; for 4h;93%
With sulfuric acid at 65℃; for 0.5h;80%
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

gentisein
39731-47-0

gentisein

Conditions
ConditionsYield
With Eaton′s Reagent at 80℃; for 1h;92%
With zinc(II) chloride; trichlorophosphate at 75℃; Microwave irradiation;84%
With tin(ll) chloride at 140℃; for 0.0138889h; Microwave irradiation; regioselective reaction;81%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

2,4-dihydroxy-5-iodobenzoic acid
856106-63-3

2,4-dihydroxy-5-iodobenzoic acid

Conditions
ConditionsYield
With Iodine monochloride; acetic acid at 20℃; for 4h;92%
With Iodine monochloride In acetic acid at 20℃; for 5h;91%
With Iodine monochloride; acetic acid for 4h;69%
With diethyl ether; Iodine monochloride
With Iodine monochloride In acetic acid at 20℃;
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl 2,4-dihydroxybenzoate
79557-90-7

benzyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 40℃;92%
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 5h;83%
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 90℃; for 7h;70%
In N,N-dimethyl-formamide
methanol
67-56-1

methanol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

Methyl 2,5-dihydroxybenzoate
2150-46-1

Methyl 2,5-dihydroxybenzoate

Conditions
ConditionsYield
With sulfuric acid for 15h; Reflux;92%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

di-(p-methoxyphenyl)tellurium oxide
57857-70-2

di-(p-methoxyphenyl)tellurium oxide

Di(p-anizyl)tellurium diresorcylate
84438-49-3

Di(p-anizyl)tellurium diresorcylate

Conditions
ConditionsYield
In propan-1-ol91%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

A

5-bromo-4-hydroxysalicylic acid
7355-22-8

5-bromo-4-hydroxysalicylic acid

B

3,5-dibromo-4-hydroxysalicylic acid
3147-46-4

3,5-dibromo-4-hydroxysalicylic acid

Conditions
ConditionsYield
With bromine In acetic acid at 25℃; for 4h;A 91%
B 5%
With bromine In acetic acid at 25℃; for 5h;A 75%
B n/a
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

2,4-dihydroxybenzoyl chloride
57438-38-7

2,4-dihydroxybenzoyl chloride

Conditions
ConditionsYield
With thionyl chloride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 8.5h;90.4%
With thionyl chloride
With thionyl chloride In chloroform Heating;
With thionyl chloride for 4h; Chlorination; Heating;
With thionyl chloride
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

diphenylsilyl dichloride
80-10-4

diphenylsilyl dichloride

C26H20O8Si
129459-91-2

C26H20O8Si

Conditions
ConditionsYield
In benzene at -20℃; for 6h;90.1%
ethanol
64-17-5

ethanol

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

ethyl 2,4-dihydroxybenzoate
4143-00-4

ethyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With thionyl chloride at 0℃; Reflux; Inert atmosphere;90%
With thionyl chloride Inert atmosphere; Reflux;62%
With sulfuric acid for 18h; Reflux;57%
4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

butan-1-ol
71-36-3

butan-1-ol

butyl 2,4-dihydroxybenzoate
37622-42-7

butyl 2,4-dihydroxybenzoate

Conditions
ConditionsYield
With alumina sulfuric acid at 110℃; for 3h;90%
With hydrogenchloride Heating;
With trichlorophosphate In o-xylene Heating;
With sulfuric acid Fischer-Speier Esterification;
C20H15N2PS2
89430-08-0

C20H15N2PS2

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

7-hydroxy-2-thioxo-2,3-dihydro-4H-1,3-benz[e]-1,3-oxazin-4-one

7-hydroxy-2-thioxo-2,3-dihydro-4H-1,3-benz[e]-1,3-oxazin-4-one

Conditions
ConditionsYield
In dichloromethane90%
2 N-hydrochloric acid

2 N-hydrochloric acid

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

acetyl chloride
75-36-5

acetyl chloride

diacetyl-β-resorcylic acid

diacetyl-β-resorcylic acid

Conditions
ConditionsYield
With triethylamine In acetone90%

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