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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

4-Aminosalicylic acid

Cas:65-49-6

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 4-Aminosalicylic Acid with high purity

Cas:65-49-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical 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:Almost white or slightly yellow powder Storage:Store at 0

Manufacrurer supply 4-Aminosalicylic acid CAS 65-49-6 with reasonable price

Cas:65-49-6

Min.Order:25 Kilogram

FOB Price: $40.0

Type:Trading Company

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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-Amino-2-hydroxybenzoic acid

Cas:65-49-6

Min.Order:1 Kilogram

FOB Price: $5.0

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 4-aminosalicylic acid

Cas:65-49-6

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

Factory Price API 99% 4-Aminosalicylic acid 65-49-6 GMP Manufacturer

Cas:65-49-6

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 4-Aminosalicylic acid

Cas:65-49-6

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

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

4-Aminosalicylic acid / LIDE PHARMA- Factory supply / Best price

Cas:65-49-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/866.html Product Name 4-Aminosalicylic acid CAS No. 65-49-6

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 65-49-6--High purity 4-Aminosalicylic acid in stock 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 busine

TIANFUCHEM-- 65-49-6--High purity 4-Aminosalicylic acid in stock

Cas:65-49-6

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

4-Aminosalicylic acid 65-49-6

Cas:65-49-6

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

Hot CAS 65-49-6 with fast shipping

Cas:65-49-6

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

99%min 4-Aminosalicylic Acid Manufacturer

Cas:65-49-6

Min.Order:10 Gram

Negotiable

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

Benzoic acid,4-amino-2-hydroxy- 65-49-6

Cas:65-49-6

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

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:1 Kilogram

FOB Price: $86.0 / 100.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

4-Aminosalicylic acid CAS:65-49-6 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 interm

4-Aminosalicylic acid CAS:65-49-6

Cas:65-49-6

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

Benzoic acid,4-amino-2-hydroxy-

Cas:65-49-6

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.:65-49-6

Cas:65-49-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

4-Aminosalicylic acid CAS .65-49-6

Cas:65-49-6

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales 4-Aminosalicylic Acid CAS 65-49-6

Cas:65-49-6

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:0 Metric Ton

FOB Price: $18.0 / 20.0

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 have s

4-Aminosalicylic acid ; 65-49-6; self-manufacture high quality

Cas:65-49-6

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

CAS65-49-6 4-Aminosalicylic acid

Cas:65-49-6

Min.Order:1 Kilogram

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-Aminosalicylic acid

Cas:65-49-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

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 existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Lingrui Chemical Co.,Ltd.

advantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packag

4-Aminosalicylic acid

Cas:65-49-6

Min.Order:1 Gram

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

Benzoic acid,4-amino-2-hydroxy-

Cas:65-49-6

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

4-Aminosalicylic acid CAS 65-49-6

Cas:65-49-6

Min.Order:1 Kilogram

FOB Price: $150.0 / 180.0

Type:Trading Company

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Synthetic route

2-hydroxy-4-nitrobenzoic acid
619-19-2

2-hydroxy-4-nitrobenzoic acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With aminomethyl polystyrene resin formic acid salt; zinc In methanol at 20℃; for 2h;96%
With ammoniummethyl polystyrene resin formate; palladium on activated charcoal In methanol at 20℃; for 5h;95%
With polymer-supported formate; magnesium In methanol at 20℃; for 3h;94%
1-amino-3-acetylamino-6-carboxy-benzene
43134-76-5

1-amino-3-acetylamino-6-carboxy-benzene

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite Eintragen der Reaktionsloesung in warme Schwefelsaeure;
m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With carbon dioxide; boric acid; potassium hydrogencarbonate at 95℃; weiteres Reagens: H2O;
With carbon dioxide; potassium hydrogencarbonate; glycerol at 130℃;
With potassium hydroxide; sodium dithionite; carbon dioxide at 100℃; under 73550.8 Torr;
With carbon dioxide; potassium carbonate at 180℃;
With salicylic acid decarboxylase from Trichosporon moniliiforme; potassium hydrogencarbonate at 30℃; for 24h; pH=8.5; aq. phosphate buffer; Enzymatic reaction; regioselective reaction;
m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

A

4-amino-6-hydroxyisophthalic acid
15540-79-1

4-amino-6-hydroxyisophthalic acid

B

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With carbon dioxide; potassium hydrogencarbonate
recorcinol
108-46-3

recorcinol

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With ammonium carbonate at 215℃; under 154457 Torr; anschliessend Erhitzen mit Na2CO3 und CO2 auf 125grad/140 at;
With ammonium hydroxide; boric acid at 200℃; under 33097.9 Torr; anschliessend Erhitzen mit NaHCO3 und CO2 auf 110grad/20 at;
m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

ammonium carbonate

ammonium carbonate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
at 110℃;
ammonium salt of/the/ 2-hydroxy-4-nitro-benzoic acid

ammonium salt of/the/ 2-hydroxy-4-nitro-benzoic acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With water; nickel Hydrogenation;
dipotassium-salt of/the/ 4-amino-2-sulfo-benzoic acid

dipotassium-salt of/the/ 4-amino-2-sulfo-benzoic acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With potassium hydroxide at 260℃;
m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

potassium dicarbonate

potassium dicarbonate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With carbon dioxide at 85 - 90℃;
sodium-salt of/the/ 2-hydroxy-4-nitro-benzoic acid

sodium-salt of/the/ 2-hydroxy-4-nitro-benzoic acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With water; nickel Hydrogenation;
carbon dioxide
124-38-9

carbon dioxide

sodium m-aminophenoxide

sodium m-aminophenoxide

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
at 200℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction;80.0 % Chromat.
carbon dioxide
124-38-9

carbon dioxide

potassium m-aminophenoxide

potassium m-aminophenoxide

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
at 200℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction;80.0 % Chromat.
carbon dioxide
124-38-9

carbon dioxide

cesium m-aminophenoxide

cesium m-aminophenoxide

A

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

B

4-hydroxyanthranilic acid
38160-63-3

4-hydroxyanthranilic acid

Conditions
ConditionsYield
at 250℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction;A 5.9 % Chromat.
B 50.6 % Chromat.
2-hydroxy-4-nitro-benzonitrile
39835-14-8

2-hydroxy-4-nitro-benzonitrile

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous sulfuric acid; acetic acid / Siedetemperatur
2: iron (II)-sulfate; sodium carbonate; water
View Scheme
Multi-step reaction with 2 steps
1: aqueous hydrochloric acid / 160 °C / Reinigung ueber das Barium-Salz
2: Raney nickel; sodium-<4-nitro-2-hydroxy benzoate>; water / Hydrogenation
View Scheme
C16H15N2O4(1-)*Na(1+)

C16H15N2O4(1-)*Na(1+)

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With rat fecal matter at 37℃; pH=7.4; Kinetics; aq. phosphate buffer;
C18H16N3O4(1-)*Na(1+)
1122102-49-1

C18H16N3O4(1-)*Na(1+)

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With rat fecal matter at 37℃; pH=7.4; Kinetics; aq. phosphate buffer;
potassium hydrogencarbonate
298-14-6

potassium hydrogencarbonate

m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With recombinant Escherichia coli cells expressing salicylic acid decarboxylase F195Y at 30℃; pH=6; Kinetics; Reagent/catalyst; Kolbe-Schmitt reaction; aq. phosphate buffer; Enzymatic reaction;
With Trichosporon moniliiforme WU-0401 salicylic acid decarboxylase at 30℃; for 1h; pH=7; enzymatic Kolbe-Schmitt reaction; aq. phosphate buffer; Enzymatic reaction; regioselective reaction;
With salicylic acid decarboxylase Y64T-F195Y mutant In aq. phosphate buffer at 30℃; for 2h; pH=6; Kinetics; Reagent/catalyst; Time; Kolbe-Schmidt Synthesis;
With salicylic acid decarboxylase from Trichosporon moniliiforme In aq. phosphate buffer at 30℃; for 24h; Kolbe-Schmidt Synthesis; Enzymatic reaction; regioselective reaction;
1,1,3,3,5,5-hexamethyl-1,5-divinyltrisiloxane
17980-39-1

1,1,3,3,5,5-hexamethyl-1,5-divinyltrisiloxane

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
In toluene
In toluene
In toluene
4-amino-2-hydroxy-benzoic acid ; hydrochloride
6018-18-4

4-amino-2-hydroxy-benzoic acid ; hydrochloride

cytosinium 4-aminosalicylate
65944-71-0

cytosinium 4-aminosalicylate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
In ethanol Milling;
sodium 4-aminosalicylate dihydrate
6018-19-5

sodium 4-aminosalicylate dihydrate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Conditions
ConditionsYield
With sulfuric acid
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

methyl 4-aminosalicylate
4136-97-4

methyl 4-aminosalicylate

Conditions
ConditionsYield
In diethyl ether at 25℃; for 0.333333h;100%
With diethyl ether
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Formanilid
103-70-8

Formanilid

Conditions
ConditionsYield
In formic acid; diethyl ether99%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

benzyl chloroformate
501-53-1

benzyl chloroformate

4‐{[(benzyloxy)carbonyl]amino}‐2‐hydroxybenzoic acid
6935-15-5

4‐{[(benzyloxy)carbonyl]amino}‐2‐hydroxybenzoic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol at 20℃; for 2.5h;98%
With sodium hydrogencarbonate In methanol at 20℃; for 24h;71%
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 16h;61%
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 16h;
With sodium carbonate In tetrahydrofuran; water at 20℃; for 1h; Inert atmosphere;
boric acid
11113-50-1

boric acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

silver nitrate

silver nitrate

Ag(1+)*C14H10BN2O6(1-)

Ag(1+)*C14H10BN2O6(1-)

Conditions
ConditionsYield
In ethanol; water at 75℃; for 0.5h; Product distribution / selectivity;98%
In ethanol at 80℃; for 0.333333h; Product distribution / selectivity;95%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-carboxy-3-hydroxyphenyl azide
66761-27-1

4-carboxy-3-hydroxyphenyl azide

Conditions
ConditionsYield
Stage #1: 4-Aminosalicylic acid With sulfuric acid; sodium nitrite In water at 0℃; for 1h;
Stage #2: With sodium azide In water at 0℃; for 1h;
97.6%
Stage #1: 4-Aminosalicylic acid With sulfuric acid; sodium nitrite In water at 0℃; for 0.333333h;
Stage #2: With sodium azide; urea In water at 0℃;
86%
Stage #1: 4-Aminosalicylic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 0.25h;
Stage #2: With sodium azide In water at 0℃; for 1h;
57%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

3,4-diethoxy-3-cyclobuten-1,2-dione
5231-87-8

3,4-diethoxy-3-cyclobuten-1,2-dione

C18H12N2O8

C18H12N2O8

Conditions
ConditionsYield
With zinc trifluoromethanesulfonate In 1-methyl-pyrrolidin-2-one; toluene at 100℃; for 24h;96%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

methyl 4-aminosalicylate
4136-97-4

methyl 4-aminosalicylate

Conditions
ConditionsYield
With methanol; sulfuric acid at 0 - 80℃; Large scale reaction;95.1%
acetic anhydride
108-24-7

acetic anhydride

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-acetamidosalicylic acid
50-86-2

4-acetamidosalicylic acid

Conditions
ConditionsYield
In acetone for 24h; Cooling with ice;95%
With sodium hydroxide In water at 60℃; for 4h; pH=6-7;91%
In acetone for 6h;91%
methanol
67-56-1

methanol

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

methyl 4-aminosalicylate
4136-97-4

methyl 4-aminosalicylate

Conditions
ConditionsYield
With sulfuric acid at 20℃; for 10h; Reflux;95%
With sulfuric acid at 0 - 20℃; for 6h; Reflux;93%
With sulfuric acid at 0℃; for 6h; Reflux;93%
2,3,4-trihydroxybenzylaldehyde
2144-08-3

2,3,4-trihydroxybenzylaldehyde

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

(E)-2-hydroxy-4-(2,3,4-trihydroxybenzylidene)aminobenzoic acid

(E)-2-hydroxy-4-(2,3,4-trihydroxybenzylidene)aminobenzoic acid

Conditions
ConditionsYield
In methanol for 1h; Reflux;94%
In methanol at 20℃; for 24h;
3-methoxy-2-hydroxybenzaldehyde
148-53-8

3-methoxy-2-hydroxybenzaldehyde

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

(E)-2-hydroxy-4-((2-hydroxy-3-methoxybenzylidene)amino)benzoic acid

(E)-2-hydroxy-4-((2-hydroxy-3-methoxybenzylidene)amino)benzoic acid

Conditions
ConditionsYield
In methanol for 1h; Reflux;94%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

o-carboxybenzaldehyde
119-67-5

o-carboxybenzaldehyde

2-hydroxy-4-(1-oxoisoindolin-2-yl)benzoic acid

2-hydroxy-4-(1-oxoisoindolin-2-yl)benzoic acid

Conditions
ConditionsYield
With (2,6-dichlorophenyl)bis(2,3,5,6-tetrafluorophenyl)borane; hydrogen In tetrahydrofuran at 100℃; under 60804.1 Torr; for 15h; Sealed tube; Molecular sieve; Autoclave; Green chemistry;94%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-amino-3,5-dichloro-2-hydroxybenzoic acid
84473-96-1

4-amino-3,5-dichloro-2-hydroxybenzoic acid

Conditions
ConditionsYield
With N-chloro-succinimide In 1,4-dioxane at 80 - 85℃; for 4h;94%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-amino-3,5-dibromo-2-hydroxybenzoic acid

4-amino-3,5-dibromo-2-hydroxybenzoic acid

Conditions
ConditionsYield
With N-Bromosuccinimide In 1,2-dichloro-ethane at 80 - 85℃; for 4h;93%
With bromine; acetic acid
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid
184033-42-9

4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water Schlenk technique; Inert atmosphere;93%
With triethylamine In tetrahydrofuran; methanol at 50℃; for 72h;91%
Stage #1: di-tert-butyl dicarbonate; 4-Aminosalicylic acid With triethylamine In 1,4-dioxane; water at 0 - 20℃; for 24.5h;
Stage #2: With hydrogenchloride In water
80%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

dimethyl sulfate
77-78-1

dimethyl sulfate

Methyl 4-amino-2-methoxybenzoate
27492-84-8

Methyl 4-amino-2-methoxybenzoate

Conditions
ConditionsYield
With potassium hydroxide In acetone at 25℃; for 5.5h; Concentration; Reagent/catalyst; Large scale;92.1%
With sodium hydroxide In acetone at 20℃; for 6h; Time;92.82%
With tetrabutylammomium bromide; potassium hydroxide In acetone at 20 - 30℃; for 1.33333h;84%
3-Formylchromone
17422-74-1

3-Formylchromone

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

3-(4-carboxy-3-hydroxyphenyl)aminomethylene-2-hydroxychroman-4-one

3-(4-carboxy-3-hydroxyphenyl)aminomethylene-2-hydroxychroman-4-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 3h; Heating;92%
2,3-dihydroxybenzaldehyde
24677-78-9

2,3-dihydroxybenzaldehyde

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

(E)-4-((2,3-dihydroxybenzylidene)amino)-2-hydroxybenzoicacid

(E)-4-((2,3-dihydroxybenzylidene)amino)-2-hydroxybenzoicacid

Conditions
ConditionsYield
In methanol for 1h; Reflux;92%
In methanol at 20℃; for 24h;
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-acetamidosalicylic acid
50-86-2

4-acetamidosalicylic acid

Conditions
ConditionsYield
With acetic anhydride In ethanol92%
With acetic anhydride In ethanol72.3 g (74.15%)
tert-butyldicarbonate
34619-03-9

tert-butyldicarbonate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid
184033-42-9

4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid

Conditions
ConditionsYield
Stage #1: 4-Aminosalicylic acid With sodium hydroxide In ethanol; water at 5 - 10℃;
Stage #2: tert-butyldicarbonate In ethanol; water at 5 - 10℃;
Stage #3: In ethanol; water
92%
4-(1H-benzo[d]imidazol-2-yl)-4-oxobutane hydrazide
1394140-47-6

4-(1H-benzo[d]imidazol-2-yl)-4-oxobutane hydrazide

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

3-(5-(4-amino-2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)-1-(1H-benzo[d]imidazol-2-yl)propan-1-one
1394140-28-3

3-(5-(4-amino-2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)-1-(1H-benzo[d]imidazol-2-yl)propan-1-one

Conditions
ConditionsYield
With trichlorophosphate Microwave irradiation;92%
ethylenediaminetetraacetic dianhydride
23911-25-3

ethylenediaminetetraacetic dianhydride

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4,4′-((2,2′-(ethane-1,2-diylbis((carboxymethyl) azanediyl)) bis(acetyl))bis(azanediyl))bis(2-hydroxybenzoic acid)
41314-68-5

4,4′-((2,2′-(ethane-1,2-diylbis((carboxymethyl) azanediyl)) bis(acetyl))bis(azanediyl))bis(2-hydroxybenzoic acid)

Conditions
ConditionsYield
With pyridine In N,N-dimethyl-formamide at 30℃; for 24h; Inert atmosphere;92%
ethyl 2-phenyldiazoacetate
22065-57-2

ethyl 2-phenyldiazoacetate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-((2-ethoxy-2-oxo-1-phenylethyl)amino)-2-hydroxybenzoic acid

4-((2-ethoxy-2-oxo-1-phenylethyl)amino)-2-hydroxybenzoic acid

Conditions
ConditionsYield
With C43H37Br2CuN3P2(1+)*ClO4(1-) In methanol at 0 - 20℃; for 3h; Schlenk technique; Inert atmosphere; chemoselective reaction;91%
thallium(I) carbonate

thallium(I) carbonate

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

catena-[bis(μ3-o-aminosalicylato)dithallium(I)]

catena-[bis(μ3-o-aminosalicylato)dithallium(I)]

Conditions
ConditionsYield
In water Tl2CO3 added to water and org. compd., boiled for 2 h with stirring; soln. slowly concd.;90%
4-methoxy-6-hydroxybenzofuran-5-carboxylic acid
88258-42-8

4-methoxy-6-hydroxybenzofuran-5-carboxylic acid

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

7-[2-(4-carboxy-3-hydroxyphenyl)azo]-6-hydroxy-4-methoxy-benzofuran-5-carboxylic acid
1248345-36-9

7-[2-(4-carboxy-3-hydroxyphenyl)azo]-6-hydroxy-4-methoxy-benzofuran-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: 4-Aminosalicylic acid With hydrogenchloride; sodium nitrite In water at 0 - 10℃;
Stage #2: 6-hydroxy-4-methoxybenzofuran-5-carboxylic acid With sodium hydroxide In water at 5℃;
90%
1,2-bis(4'-pyridyl)ethane
4916-57-8

1,2-bis(4'-pyridyl)ethane

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

C7H7NO3*1.5C12H12N2

C7H7NO3*1.5C12H12N2

Conditions
ConditionsYield
In acetone at 20℃;90%
dichloromethane
75-09-2

dichloromethane

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

C8H7NO3
1591954-17-4

C8H7NO3

Conditions
ConditionsYield
With potassium phosphate tribasic trihydrate In N,N-dimethyl-formamide at 100℃; under 760.051 Torr; for 6h; Green chemistry;90%
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

Glyoxilic acid
298-12-4

Glyoxilic acid

4-glyoxyliminosalicylic acid

4-glyoxyliminosalicylic acid

Conditions
ConditionsYield
In 1,4-dioxane at 40℃; for 3.5h; Molecular sieve;90%
formaldehyd
50-00-0

formaldehyd

4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-(1,3,5-dithiazinan-5-yl)-2-hydroxybenzoic acid
1133108-20-9

4-(1,3,5-dithiazinan-5-yl)-2-hydroxybenzoic acid

Conditions
ConditionsYield
With hydrogen sulfide In water at 20℃;89%
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