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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

4-Bromo-3,5-dihydroxybenzoic acid Manufacturer/High quality/Best price/In stock

Cas:16534-12-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

4-Bromo-3,5-dihydroxybenzoic acid Basic information Product Name: 4-Bromo-3,5-dihydroxybenzoic acid Synonyms: LABOTEST-BB LT00455316;4-BROMO-3,5-DIHYDROXYBENZOIC ACID;4-BROMO-ALPHA-R

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

New production CAS 16534-12-6 with best quality

Cas:16534-12-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

4-Bromo-3,5-dihydroxybenzoic acid 16534-12-6

Cas:16534-12-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

inquiry

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

Benzoicacid, 4-bromo-3,5-dihydroxy- 16534-12-6

Cas:16534-12-6

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.:16534-12-6

Cas:16534-12-6

Min.Order:0

Negotiable

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

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0 Metric Ton

Negotiable

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-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

Benzoicacid, 4-bromo-3,5-dihydroxy-

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used for Pesticide intermediates T

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 4-Bromo-3,5-Dihydroxybenzoic Acid CAS No.:16534-12-6 Molecule Formula:C7H5BrO4 Molecule Weight:233.01 Purity: 99% Package:25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TEST

High Quality 4-Bromo-3,5-Dihydroxybenzoic Acid in stock

Cas:16534-12-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

4-Bromo-3,5-dihydroxybenzoic acid cas no. 16534-12-6 98%

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

4-BroMo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

4-Bromo-3,5-Dihydroxybenzoic Acid

Cas:16534-12-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 4-Bromo-3,5-dihydroxybenzoic acid 25g

Cas:16534-12-6

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

4-BroMo-3,5-dihydroxybenzoic Acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

4-BroMo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

4-Bromo-3,5-dihydroxybenzoic acid

Cas:16534-12-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

3,5-Dihydroxybenzoic acid
99-10-5

3,5-Dihydroxybenzoic acid

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

Conditions
ConditionsYield
With hydrogenchloride; bromine for 2h; Heating;100%
With hydrogenchloride; bromine In water for 2h; Inert atmosphere; Schlenk technique; Reflux;99%
With hydrogenchloride; bromine In water for 2h; Reflux; Inert atmosphere;99%
3,5-Dihydroxybenzoic acid
99-10-5

3,5-Dihydroxybenzoic acid

A

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

B

2-bromo-3,5-dihydroxybenzoic acid

2-bromo-3,5-dihydroxybenzoic acid

Conditions
ConditionsYield
With dihydrogen peroxide; sodium bromide; tetraethoxy orthosilicate; 3-aminopropyltriethoxysilane In 1,4-dioxane; phosphate buffer for 19h;A n/a
B 91%
3,5-Dihydroxybenzoic acid
99-10-5

3,5-Dihydroxybenzoic acid

water
7732-18-5

water

bromine water

bromine water

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

ethanol
64-17-5

ethanol

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

3,5-dihydroxy-4-bromobenzoic acid ethyl ester
350035-53-9

3,5-dihydroxy-4-bromobenzoic acid ethyl ester

Conditions
ConditionsYield
With sulfuric acid for 12h; Reflux;100%
With sulfuric acid for 4h; Reflux;97%
With sulfuric acid for 24h; Reflux;96%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

dimethyl sulfate
77-78-1

dimethyl sulfate

methyl 4-bromo-3,5-dimethoxybenzoate
26050-64-6

methyl 4-bromo-3,5-dimethoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In acetone for 4.5h; Reflux;100%
With potassium carbonate In acetone for 12h; Reflux;90%
With potassium carbonate In acetone for 4h; Heating;76%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

(methoxy)methyl 3,5-bis(methoxymethoxy)-4-bromobenzoate
167832-31-7

(methoxy)methyl 3,5-bis(methoxymethoxy)-4-bromobenzoate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere;100%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃;89%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 48h;
methanol
67-56-1

methanol

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

4-bromo-3,5-dihydroxy-benzoic acid methyl ester
34126-16-4

4-bromo-3,5-dihydroxy-benzoic acid methyl ester

Conditions
ConditionsYield
With sulfuric acid for 16h; Reflux;99%
With thionyl chloride for 2h; Heating;96%
With sulfuric acid for 12h; Heating;96%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

4-bromo-3,5-dihydroxy-benzoic acid methyl ester
34126-16-4

4-bromo-3,5-dihydroxy-benzoic acid methyl ester

Conditions
ConditionsYield
With thionyl chloride In methanol at 60℃; for 3h;99%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

ethyl iodide
75-03-6

ethyl iodide

ethyl 4-bromo-3,5-diethoxybenzoate
149517-92-0

ethyl 4-bromo-3,5-diethoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 15 - 90℃; for 13h;99%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h;98%
With potassium carbonate In N,N-dimethyl-formamide at 50℃;93%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

allyl bromide
106-95-6

allyl bromide

3,5-bis-allyloxy-4-bromo-benzoic acid allyl ester
355121-57-2

3,5-bis-allyloxy-4-bromo-benzoic acid allyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h;97%
With K2CO3 In water; N,N-dimethyl-formamide97%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h;
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl 3,5-bis(benzyloxy)-4-bromobenzoate
158585-09-2

benzyl 3,5-bis(benzyloxy)-4-bromobenzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 4h;96%
With potassium carbonate In N,N-dimethyl-formamide at 20 - 60℃; Inert atmosphere;89%
With potassium carbonate In N,N-dimethyl-formamide for 20h; Ambient temperature;75%
Me2SO4

Me2SO4

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

methyl 4-bromo-3,5-dimethoxybenzoate
26050-64-6

methyl 4-bromo-3,5-dimethoxybenzoate

Conditions
ConditionsYield
95%
methylene chloride
74-87-3

methylene chloride

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

4-bromo-3,5-dimethoxybenzoic acid
56518-42-4

4-bromo-3,5-dimethoxybenzoic acid

Conditions
ConditionsYield
Stage #1: 3,5-dihydroxy-4-bromobenzoic acid With sodium hydride In water at 70℃; for 0.5h; pH=8;
Stage #2: methylene chloride With sodium 4-dodecylbenzenesulfonate In methanol; water at 75℃; under 1500.15 Torr; for 1h; Temperature; pH-value; Pressure; Reagent/catalyst; Autoclave;
94.49%
ethyl bromide
74-96-4

ethyl bromide

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

4-bromo-3,5-diethoxybenzoic acid
363166-41-0

4-bromo-3,5-diethoxybenzoic acid

Conditions
ConditionsYield
With potassium hydroxide In dimethyl sulfoxide at 20℃;92%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

methyl 4-bromo-3,5-dimethoxybenzoate
26050-64-6

methyl 4-bromo-3,5-dimethoxybenzoate

Conditions
ConditionsYield
With potassium carbonate; dimethyl sulfate In acetone for 24h; Reflux; Inert atmosphere;92%
With potassium carbonate; dimethyl sulfate In acetone Reflux; Inert atmosphere;92%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

isopropyl bromide
75-26-3

isopropyl bromide

C16H23BrO4

C16H23BrO4

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 50℃; for 72h;92%
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 50℃; for 72h; Inert atmosphere;92%
Benzyloxymethyl chloride
3587-60-8

Benzyloxymethyl chloride

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

(benzyloxy)methyl 3,5-bis((benzyloxy)methoxy)-4-bromobenzoate
1450741-52-2

(benzyloxy)methyl 3,5-bis((benzyloxy)methoxy)-4-bromobenzoate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 18h; Inert atmosphere; Schlenk technique;87%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h; Inert atmosphere;87%
Dimethoxymethane
109-87-5

Dimethoxymethane

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

(methoxy)methyl 3,5-bis(methoxymethoxy)-4-bromobenzoate
167832-31-7

(methoxy)methyl 3,5-bis(methoxymethoxy)-4-bromobenzoate

Conditions
ConditionsYield
Stage #1: Dimethoxymethane With acetyl chloride; zinc dibromide In dichloromethane at 0℃; for 0.5h;
Stage #2: 3,5-dihydroxy-4-bromobenzoic acid With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 13h;
86%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

4-bromo-3,5-dimethoxymethoxybenzoic acid
167830-45-7

4-bromo-3,5-dimethoxymethoxybenzoic acid

Conditions
ConditionsYield
Stage #1: 3,5-dihydroxy-4-bromobenzoic acid; chloromethyl methyl ether With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 48h;
Stage #2: With sodium hydroxide In methanol at 70℃; for 3h;
Stage #3: With hydrogenchloride In methanol; water at 0℃; pH=5 - 6;
60%
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 48h; Inert atmosphere;60%
diethyl sulfate
64-67-5

diethyl sulfate

3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

ethyl 4-bromo-3,5-diethoxybenzoate
149517-92-0

ethyl 4-bromo-3,5-diethoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In acetone for 8h; Esterification; etherification; Heating;51%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

benzylamine
100-46-9

benzylamine

N-Benzyl-4-bromo-3,5-dihydroxy-benzamide
675850-37-0

N-Benzyl-4-bromo-3,5-dihydroxy-benzamide

Conditions
ConditionsYield
39%
39%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

methyl 4-bromo-3-hydroxy-5-methoxybenzoate
876170-40-0

methyl 4-bromo-3-hydroxy-5-methoxybenzoate

Conditions
ConditionsYield
With potassium carbonate; methyl iodide In N,N-dimethyl-formamide at 20℃; for 60h;13.1%
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

3,4,5-trihydroxybenzoic acid
149-91-7

3,4,5-trihydroxybenzoic acid

Conditions
ConditionsYield
With potassium hydroxide beim Schmelzen;
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

4-bromo-3,5-dihydroxy-2,6-dinitro-benzoic acid
860757-51-3

4-bromo-3,5-dihydroxy-2,6-dinitro-benzoic acid

Conditions
ConditionsYield
With nitric acid
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

dimethyl sulfate
77-78-1

dimethyl sulfate

4-bromo-3,5-dimethoxybenzoic acid
56518-42-4

4-bromo-3,5-dimethoxybenzoic acid

Conditions
ConditionsYield
With sodium hydroxide
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

potash

potash

3,4,5-trihydroxybenzoic acid
149-91-7

3,4,5-trihydroxybenzoic acid

Conditions
ConditionsYield
beim Schmelzen;
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

3-({2,11,13,22-tetraoxa-1,12(1,3,2)-dibenzena-23(2,6)-pyridinabicyclo[10.10.1]tricosaphan-6,17-dien-15-yl}methyloxy)benzoic acid

3-({2,11,13,22-tetraoxa-1,12(1,3,2)-dibenzena-23(2,6)-pyridinabicyclo[10.10.1]tricosaphan-6,17-dien-15-yl}methyloxy)benzoic acid

Conditions
ConditionsYield
Multi-step reaction with 10 steps
1.1: 64 percent / conc. H2SO4 / 18 h / Heating
2.1: 97 percent / PPh3; diisopropyl azodicarboxylate / tetrahydrofuran / 18 h / 20 °C
3.1: 90 percent / diisobutylaluminium hydride / hexane; tetrahydrofuran / 2 h / 20 °C
4.1: 87 percent / imidazole / CH2Cl2 / 1 h / 20 °C
5.1: trimethylborate; n-BuLi / hexane; tetrahydrofuran / 2 h / -78 - 20 °C
5.2: 81 percent / H2O
6.1: 92 percent / aq. Na2CO3; Ba(OH)2*H2O / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O / 19 h / Heating
7.1: 92 percent / benzylidenebis(tricyclohexylphosphane)dichlororuthenium / CH2Cl2 / 48 h / 20 °C
8.1: 98 percent / Bu4NF*3H2O / tetrahydrofuran / 0.75 h / 20 °C
9.1: 87 percent / PPh3; diisopropyl azodicarboxylate / tetrahydrofuran / 18 h / 20 °C
10.1: 84 percent / LiOH / tetrahydrofuran; methanol; H2O / 4 h / 40 °C
View Scheme
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

2-[2,6-bis(pent-4-enyloxy)phenyl]-6-[2,6-bis(pent-4-enyloxy)-4-(tert-butyldimethylsilyloxymethyl)phenyl]pyridine
934990-38-2

2-[2,6-bis(pent-4-enyloxy)phenyl]-6-[2,6-bis(pent-4-enyloxy)-4-(tert-butyldimethylsilyloxymethyl)phenyl]pyridine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: 64 percent / conc. H2SO4 / 18 h / Heating
2.1: 97 percent / PPh3; diisopropyl azodicarboxylate / tetrahydrofuran / 18 h / 20 °C
3.1: 90 percent / diisobutylaluminium hydride / hexane; tetrahydrofuran / 2 h / 20 °C
4.1: 87 percent / imidazole / CH2Cl2 / 1 h / 20 °C
5.1: trimethylborate; n-BuLi / hexane; tetrahydrofuran / 2 h / -78 - 20 °C
5.2: 81 percent / H2O
6.1: 92 percent / aq. Na2CO3; Ba(OH)2*H2O / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O / 19 h / Heating
View Scheme
3,5-dihydroxy-4-bromobenzoic acid
16534-12-6

3,5-dihydroxy-4-bromobenzoic acid

2-[2,6-bis(hex-5-enyloxy)phenyl]-6-[2,6-bis(hex-5-enyloxy)-4-(2-tetrahydropyranyloxymethyl)phenyl]pyridine
934991-07-8

2-[2,6-bis(hex-5-enyloxy)phenyl]-6-[2,6-bis(hex-5-enyloxy)-4-(2-tetrahydropyranyloxymethyl)phenyl]pyridine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: 64 percent / conc. H2SO4 / 18 h / Heating
2.1: 80 percent / K2CO3; KI / dimethylformamide / 16 h / 70 °C
3.1: 87 percent / diisobutylaluminium hydride / hexane; tetrahydrofuran / 3 h / 20 °C
4.1: 88 percent / p-TsOH / CH2Cl2 / 16 h / 20 °C
5.1: trimethylborate; n-BuLi / hexane; tetrahydrofuran / 2 h / -78 - 20 °C
5.2: 60 percent / H2O
6.1: 84 percent / aq. Na2CO3; Ba(OH)2*H2O / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O / 19 h / Heating
View Scheme

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