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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

2-Hydroxynicotinic acid Manufacturer/High quality/Best price/In stock

Cas:609-71-2

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-Hydroxynicotinic Acid supplier in China

Cas:609-71-2

Min.Order:0 Metric Ton

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-Hydroxynicotinic Acid

Cas:609-71-2

Min.Order:1

Negotiable

Type:Other

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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-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1301.html Product Name 2-Hydroxynicotinic acid CAS No. 609-71-2

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Gram

FOB Price: $34.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Top Purity CAS 609-71-2 with fast shipping

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2-Hydroxynicotinic acid/ LIDE PHARMA- Factory supply / Best price

Cas:609-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Name: 2-Hydroxynicotinic acid Synonyms: 2-Hydroxypyridine-3-carboxylic acid CAS:609-71-2 MF: C6H4NO3 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Pharmaceutical intermediate Tra

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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 serv

2-Hydroxynicotinic acid 609-71-2

Cas:609-71-2

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

2-Hydroxynicotinic acid 609-71-2

Cas:609-71-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

2-Hydroxynicotinic acid CAS:609-71-2 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-Hydroxynicotinic acid CAS:609-71-2

Cas:609-71-2

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

Hydroxynicotinic acid

Cas:609-71-2

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.:609-71-2

Cas:609-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, Nuevo Laredo, Mexico, Vancouver, Canada, Amsterdam, The Netherlands and Melbourne, Australia. Overseas warehouses can provide some of the best selling products. We look forward to cooperating with strong loc

Hot sale product 2-Hydroxynicotinic acid cas 609-71-2

Cas:609-71-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $40.0 / 80.0

Type:Lab/Research institutions

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Leader Biochemical Group

PRODUCT DETAILS 2-Hydroxynicotinic acid Basic information Product Name: 2-Hydr

China Largest Manufacturer factory sales 2-Hydroxynicotinic Acid CAS 609-71-2

Cas:609-71-2

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-Hydroxynicotinic Acid

Cas:609-71-2

Min.Order:0

Negotiable

Type:Manufacturers

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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-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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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

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Gram

Negotiable

Type:Other

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:100 Gram

Negotiable

Type:Other

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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-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:White to light yellow powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical Intermediat

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Tianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma

TIANFU 609-71-2 2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $200.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 2-Hydroxynicotinic Acid CAS No.:609-71-2 Molecule Formula:C6H5NO3 Molecule Weight:139.11 Purity: 98.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality 2-Hydroxynicotinic Acid in stock

Cas:609-71-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

2-Hydroxynicotinic acid Chemical Properties Melting point 258-261 °C(lit.) Boiling point 255.04°C (rough estimate) density 1.4429 (rough estimate) refractive index 1.5423 (estimate) storage temp. Store below +30°C. sol

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

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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

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2-Hydroxynicotinic acid

Cas:609-71-2

Min.Order:0

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Type:Trading Company

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Synthetic route

2-chloronicotinic acid
2942-59-8

2-chloronicotinic acid

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With hydrogenchloride; water for 6h; Heating;92%
With copper(I) oxide; 2-pyridinealdoxime; cesium hydroxide; tetrabutylammomium bromide In water at 110℃; for 48h; Inert atmosphere;63%
Heating;
With sodium hydroxide In ethanol; water
3-bromo-pyridin-2-ol
13466-43-8

3-bromo-pyridin-2-ol

carbon dioxide
124-38-9

carbon dioxide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Stage #1: 3-bromo-pyridin-2-ol With isopropylmagnesium chloride In tetrahydrofuran at 0℃; for 0.166667h;
Stage #2: With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 0.5h;
Stage #3: carbon dioxide In tetrahydrofuran; hexane at -20℃; for 0.5h;
79%
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

acetic anhydride
108-24-7

acetic anhydride

A

6-hydroxy-3-pyridinecarboxylic acid
5006-66-6

6-hydroxy-3-pyridinecarboxylic acid

B

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

C

3-acetoxy-4-aza-3-methyl-1(3H)-isobenzofuranone 4-oxide
111068-01-0

3-acetoxy-4-aza-3-methyl-1(3H)-isobenzofuranone 4-oxide

Conditions
ConditionsYield
for 6h; Heating;A 1.5%
B 5.4%
C 62%
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

A

6-hydroxy-3-pyridinecarboxylic acid
5006-66-6

6-hydroxy-3-pyridinecarboxylic acid

B

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

C

3-acetoxy-4-aza-3-methyl-1(3H)-isobenzofuranone 4-oxide
111068-01-0

3-acetoxy-4-aza-3-methyl-1(3H)-isobenzofuranone 4-oxide

Conditions
ConditionsYield
With acetic anhydride for 6h; Heating;A 1.5%
B 5.4%
C 62%
2-chloronicotinic acid
2942-59-8

2-chloronicotinic acid

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

2-aminopyridin-3-carboxylic acid
5345-47-1

2-aminopyridin-3-carboxylic acid

Conditions
ConditionsYield
With ammonium hydroxide at 155℃; for 20h;A n/a
B 60%
N-(2,4-difluorophenyl)-2-(3-trifluoromethylphenoxy)-3-pyridinecarboxamide
83164-33-4

N-(2,4-difluorophenyl)-2-(3-trifluoromethylphenoxy)-3-pyridinecarboxamide

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

3-Trifluoromethylphenol
98-17-9

3-Trifluoromethylphenol

C

2,4-difluorophenylamine
367-25-9

2,4-difluorophenylamine

D

N-(2,4-Difluorophenyl)-2-hydroxy-3-pyridinecarboxamide
130191-66-1

N-(2,4-Difluorophenyl)-2-hydroxy-3-pyridinecarboxamide

Conditions
ConditionsYield
With hydrogenchloride; acetic acid In water for 48h; Heating;A 57%
B n/a
C n/a
D 28%
With hydrogenchloride; acetic acid In water for 48h; Product distribution; Mechanism; Heating;A 57%
B n/a
C n/a
D 28%
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

propionic acid anhydride
123-62-6

propionic acid anhydride

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

6-hydroxynicotinic acid

6-hydroxynicotinic acid

C

5-aza-3-methyl-4-propionyloxyisocoumarin
115147-79-0

5-aza-3-methyl-4-propionyloxyisocoumarin

D

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone 4-oxide

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone 4-oxide

Conditions
ConditionsYield
at 125℃; for 6h;A n/a
B n/a
C 12.9%
D 54.2%
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

propionic acid anhydride
123-62-6

propionic acid anhydride

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

6-hydroxynicotinic acid

6-hydroxynicotinic acid

C

5-aza-3-methyl-4-propionyloxyisocoumarin
115147-79-0

5-aza-3-methyl-4-propionyloxyisocoumarin

D

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone
115147-80-3

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone

Conditions
ConditionsYield
at 160℃; for 4h; Yield given. Further byproducts given;A n/a
B n/a
C 39.8%
D 16.4%
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

propionic acid anhydride
123-62-6

propionic acid anhydride

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

6-hydroxynicotinic acid

6-hydroxynicotinic acid

C

5-aza-3-methyl-4-propionyloxyisocoumarin
115147-79-0

5-aza-3-methyl-4-propionyloxyisocoumarin

D

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone
115147-80-3

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone

E

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone 4-oxide

4-aza-3-ethyl-3-propionyloxy-1(3H)-isobenzofuranone 4-oxide

F

4-aza-3-ethyl-3,5-dipropionyloxy-1(3H)-isobenzofuranone
115147-81-4

4-aza-3-ethyl-3,5-dipropionyloxy-1(3H)-isobenzofuranone

Conditions
ConditionsYield
at 160℃; for 4h; Product distribution; Mechanism; various temperatures and times;A n/a
B n/a
C 39.8%
D 16.4%
E 8.3%
F 2.1%
2-aminopyridine
504-29-0

2-aminopyridine

2-chloronicotinic acid
2942-59-8

2-chloronicotinic acid

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

2-hydroxy-nicotinic acid-[2]pyridylamide
99973-09-8

2-hydroxy-nicotinic acid-[2]pyridylamide

C

2-(2-hydroxy-nicotinoylimino)-2H-[1,2']bipyridyl-3'-carboxylic acid
109255-91-6

2-(2-hydroxy-nicotinoylimino)-2H-[1,2']bipyridyl-3'-carboxylic acid

Conditions
ConditionsYield
at 180 - 185℃;
2-hydroxy-3-cyanopyridine
20577-27-9

2-hydroxy-3-cyanopyridine

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With hydrogenchloride
2-chloro-3-pyridinecarbonitrile
6602-54-6

2-chloro-3-pyridinecarbonitrile

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With hydrogenchloride
2-bromonicotinic acid
35905-85-2

2-bromonicotinic acid

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With potassium hydroxide; water at 180℃;
2-hydroxynicotinamide
10128-92-4

2-hydroxynicotinamide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

nicotinic acid
59-67-6

nicotinic acid

A

6-hydroxy-3-pyridinecarboxylic acid
5006-66-6

6-hydroxy-3-pyridinecarboxylic acid

B

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With potassium hydroxide; fluorine In water at 0℃; for 3.5h; Yield given. Yields of byproduct given;
With potassium hydroxide; fluorine In water at 0℃; Yield given. Yields of byproduct given;
With water; oxygen Quantum yield; Further Variations:; pH-values; Reagents; Irradiation;
quinoline
91-22-5

quinoline

A

3-pyridinecarboxaldehyde
500-22-1

3-pyridinecarboxaldehyde

B

nicotinic acid
59-67-6

nicotinic acid

C

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

D

2-hydroxyquinoline
59-31-4

2-hydroxyquinoline

Conditions
ConditionsYield
With oxygen at 260 - 280℃; under 15751.3 - 64505.2 Torr; pH=7; Kinetics; Further Variations:; pH-values; Temperatures; Oxidation;
2-amino-pyridine-carboxylic acid-(3)

2-amino-pyridine-carboxylic acid-(3)

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite Diazotization;
hydrogenchloride
7647-01-0

hydrogenchloride

2-fluoronicotinic acid
393-55-5

2-fluoronicotinic acid

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

4-chloro-2-oxy-nicotinic acid

4-chloro-2-oxy-nicotinic acid

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With Pd-BaSO4; ethanol Hydrogenation;
6-oxy-pyridine-dicarboxylic acid-(2.5)

6-oxy-pyridine-dicarboxylic acid-(2.5)

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With acetic anhydride; acetic acid at 210℃; im Rohr;
6--quinoline

6--quinoline

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

Quinoline-6-carboxylic acid
10349-57-2

Quinoline-6-carboxylic acid

Conditions
ConditionsYield
With potassium permanganate; sulfuric acid
2-aminopyridine
504-29-0

2-aminopyridine

2-chloronicotinic acid
2942-59-8

2-chloronicotinic acid

A

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

B

2-hydroxy-nicotinic acid-[2]pyridylamide
99973-09-8

2-hydroxy-nicotinic acid-[2]pyridylamide

C

2-<2-hydroxy-nicotinoylimino>-2H-bipyridyl-3'-carboxylic acid

2-<2-hydroxy-nicotinoylimino>-2H-bipyridyl-3'-carboxylic acid

Conditions
ConditionsYield
at 180 - 185℃;
nicotinic acid
59-67-6

nicotinic acid

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
With sulfuric acid; quinolinium dichromate(VI); acetic acid at 50℃; for 24h; Kinetics;
With sulfuric acid; quinolinium dichromate(VI); acetic acid In water at 49.85℃; for 48h; Kinetics; Further Variations:; Solvents; Temperatures;
With quinolinium dichromate In water; acetic acid at 49.84℃; for 48h; Kinetics; Mechanism; Solvent; Temperature; Inert atmosphere;
nicotinic acid
59-67-6

nicotinic acid

phenyl-β-pyridyl ketone

phenyl-β-pyridyl ketone

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 80 percent / 30percent H2O2 / acetic acid / 3 h / 90 °C
2: PCl5, POCl3
3: conc. NH4OH / 20 h / 155 °C
View Scheme
Multi-step reaction with 3 steps
1: 80 percent / 30percent H2O2 / acetic acid / 3 h / 90 °C
2: 65 percent / POCl3, Et3N / 4 h / 100 °C
3: conc. NH4OH / 20 h / 155 °C
View Scheme
Nicotinic acid N-oxide
2398-81-4

Nicotinic acid N-oxide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: PCl5, POCl3
2: conc. NH4OH / 20 h / 155 °C
View Scheme
Multi-step reaction with 2 steps
1: 65 percent / POCl3, Et3N / 4 h / 100 °C
2: conc. NH4OH / 20 h / 155 °C
View Scheme
Multi-step reaction with 2 steps
1: POCl3 / dimethylformamide
2: Heating
View Scheme
nicotinamide N-oxide
1986-81-8

nicotinamide N-oxide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: PCl5; POCl3 / 115 - 120 °C
2: aqueous HCl
View Scheme
2-fluoronicotinamide
364-22-7

2-fluoronicotinamide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CH3I / 80 °C / Behandeln des Reaktionsprodukts mit H2O
View Scheme
nicotinamide
98-92-0

nicotinamide

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aqueous H2O2; acetic acid
2: PCl5; POCl3 / 115 - 120 °C
3: aqueous HCl
View Scheme
bromo-2 butyl-3 pyridine
100921-66-2

bromo-2 butyl-3 pyridine

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: KMnO4; H2O
2: KOH; H2O / 180 °C
View Scheme
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

2-Chloronicotinoyl chloride
49609-84-9

2-Chloronicotinoyl chloride

Conditions
ConditionsYield
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 20℃; for 4h; Inert atmosphere;100%
With phosphorus pentachloride anschliessendes Erwaermen;
With phosphorus pentachloride anschliessendes Erwaermen;
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

trimethylsilyl 2-(trimethylsilyloxy)nicotinate
183274-22-8

trimethylsilyl 2-(trimethylsilyloxy)nicotinate

Conditions
ConditionsYield
at 150℃; for 7h;100%
With chloro-trimethyl-silane In toluene Heating;
methanol
67-56-1

methanol

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

2-Hydroxy-nicotinic acid methyl ester; hydrochloride

2-Hydroxy-nicotinic acid methyl ester; hydrochloride

Conditions
ConditionsYield
With acetyl chloride at 0 - 20℃;100%
methanol
67-56-1

methanol

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

methyl-2-oxo-1,2-dihydro-3-pyridinecarbonitrile
10128-91-3

methyl-2-oxo-1,2-dihydro-3-pyridinecarbonitrile

Conditions
ConditionsYield
With sulfuric acid Heating / reflux;100%
Stage #1: 2-hydroxy-3-carboxypyridine With thionyl chloride In dichloromethane at 0℃;
Stage #2: In tetrahydrofuran; dichloromethane at 20℃;
Stage #3: methanol In tetrahydrofuran; dichloromethane at 20℃;
81.8%
With sulfuric acid In toluene Dean-Stark; Reflux;74%
methanol
67-56-1

methanol

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

methyl 2-oxo-1,2-dihydropyridine-3-carboxylate hydrochloride
203937-66-0

methyl 2-oxo-1,2-dihydropyridine-3-carboxylate hydrochloride

Conditions
ConditionsYield
Stage #1: 2-hydroxy-3-carboxypyridine With thionyl chloride In tetrahydrofuran; dichloromethane at 20℃; for 1h;
Stage #2: methanol In tetrahydrofuran; dichloromethane at 20℃;
100%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

water
7732-18-5

water

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

diaquabis(2-hydroxynicotinato(1-))cobalt(II)
956331-98-9

diaquabis(2-hydroxynicotinato(1-))cobalt(II)

Conditions
ConditionsYield
With aq. ammonia In water soln. of ligand in H2O added to soln. of Co salt in H2O; pH adjusted to 8 (a few drops of concd. ammonia soln.); stored for a few d; filtered; ppt. washed with H2O; dried in dessicator over NaOH; elem. anal.;100%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

dichloro(2,2'-bipyridine)palladium(II)
14871-92-2

dichloro(2,2'-bipyridine)palladium(II)

[Pd bis(2-hydroxynicotinate)(2,2'-bipyridine)
503811-68-5

[Pd bis(2-hydroxynicotinate)(2,2'-bipyridine)

Conditions
ConditionsYield
With triethylamine In methanol; ethanol stirred suspn. of Pd complex in methanol mixed with methanolic suspn. ofligand and triethylamine, stirred for 1 day; sentrifuged, washed with ethanol, dried (silica gel); elem. anal.;99%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

(2-Hydroxy-pyridin-3-yl)-imidazol-1-yl-methanone
211425-43-3

(2-Hydroxy-pyridin-3-yl)-imidazol-1-yl-methanone

Conditions
ConditionsYield
In tetrahydrofuran for 19h; Heating;98%
In tetrahydrofuran for 24h; Heating;
With Imidazole hydrochloride In tetrahydrofuran at 50℃; for 4h;
C20H15N2PS2
89430-08-0

C20H15N2PS2

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

2-thioxo-2,3-dihydro-4H-pyrido[3,2-e][1,3]oxazin-4-one

2-thioxo-2,3-dihydro-4H-pyrido[3,2-e][1,3]oxazin-4-one

Conditions
ConditionsYield
In dichloromethane97%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

5,5-dibenzyl-2,3,4,5-tetrahydropyridine
1416767-53-7

5,5-dibenzyl-2,3,4,5-tetrahydropyridine

10,10-dibenzyl-8,9,10,10a-tetrahydrodipyrido[2,1-b:3',2'-e][1,3]oxazin-5(7H)-one
1416767-45-7

10,10-dibenzyl-8,9,10,10a-tetrahydrodipyrido[2,1-b:3',2'-e][1,3]oxazin-5(7H)-one

Conditions
ConditionsYield
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In toluene at 90℃; for 20h; Inert atmosphere;97%
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In toluene at 90℃; for 20h;97%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

methyl iodide
74-88-4

methyl iodide

1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid
15506-18-0

1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol; water for 2h; Methylation; Heating;96%
With potassium hydroxide In methanol; water for 12h; Reflux; Inert atmosphere;65%
With potassium hydroxide In methanol; water at 0 - 80℃; for 16h;45%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

1-chloromethyl-4-fluorobenzene
352-11-4

1-chloromethyl-4-fluorobenzene

1,2-dihydro-1-(4-fluorobenzyl)-2-oxopyridine-3-carboxylic acid
66158-41-6

1,2-dihydro-1-(4-fluorobenzyl)-2-oxopyridine-3-carboxylic acid

Conditions
ConditionsYield
Stage #1: 2-hydroxy-3-carboxypyridine With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: 1-chloromethyl-4-fluorobenzene In N,N-dimethyl-formamide at 50℃; for 12h;
Stage #3: With sodium hydroxide In water for 4h; Reflux;
96%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

5-chloro-2-hydroxypyridine-3-carboxylic acid
38076-80-1

5-chloro-2-hydroxypyridine-3-carboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium hypochlorite; chlorine; sodium hydrogensulfite In water; acetone95.6%
With sodium hydroxide; chlorine In water at 0 - 35℃;84%
Stage #1: 2-hydroxy-3-carboxypyridine With sodium hydroxide; sodium hypochlorite In water at 20℃; for 48h;
Stage #2: With sodium sulfite In water at 20℃; for 0.5h;
78%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

3-(hydroxymethyl)pyridin-2(1H)-one
42463-41-2

3-(hydroxymethyl)pyridin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 2-hydroxy-3-carboxypyridine With chloro-trimethyl-silane; 1,1,1,2,2,2-hexamethyldisilane In toluene at 110℃; for 0.5h;
Stage #2: With diisobutylaluminium hydride In dichloromethane; toluene at -40 - 20℃;
Stage #3: With hydrogenchloride; water In dichloromethane; toluene at -10℃; pH=4;
95%
Stage #1: 2-hydroxy-3-carboxypyridine With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane In toluene for 2h; Heating / reflux;
Stage #2: With diisobutylaluminium hydride In toluene at -78℃; for 4h;
Stage #3: With methanol In toluene
59%
methanol
67-56-1

methanol

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

trans-bis(triphenylphosphine)palladium dichloride
28966-81-6

trans-bis(triphenylphosphine)palladium dichloride

trans-[PdCl(2-hydroxynicotinate)(PPh3)2

trans-[PdCl(2-hydroxynicotinate)(PPh3)2

Conditions
ConditionsYield
With triethylamine In methanol; ethanol stirred suspn. of Pd complex mixed with methanolic suspn. of ligand and triethylamine, stirred for 1 week; centrifuged, washed with ethanol, dried (silica gel); elem. anal., XRD;94%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

benzyl bromide
100-39-0

benzyl bromide

1-benzyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid
89960-36-1

1-benzyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol; water for 8.5h; Heating;93%
With potassium hydroxide In methanol; water for 12h; Reflux; Inert atmosphere;71%
Stage #1: 2-hydroxy-3-carboxypyridine With potassium hydroxide In methanol; water for 0.25h; Heating / reflux;
Stage #2: benzyl bromide In methanol; water for 1.5h; Heating / reflux;
Stage #3: With hydrogenchloride; water
55%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

1-bromo-2-(triisopropylsilyl)acetylene
111409-79-1

1-bromo-2-(triisopropylsilyl)acetylene

2-hydroxy-4-((triisopropylsilyl)ethynyl)nicotinic acid

2-hydroxy-4-((triisopropylsilyl)ethynyl)nicotinic acid

Conditions
ConditionsYield
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; potassium carbonate at 90℃; for 14h;92%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

sodium molybdate dihydrate
7631-95-0

sodium molybdate dihydrate

water
7732-18-5

water

Na2[Mo2O4 bis(2-hydroxynicotinate)]*5H2O

Na2[Mo2O4 bis(2-hydroxynicotinate)]*5H2O

Conditions
ConditionsYield
In water ligand added to soln. of Mo salt, suspn. refluxed for 6 h; filtered, washed with water, dried (silica gel);91%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

4-fluoroaniline
371-40-4

4-fluoroaniline

N-(4-fluorophenyl)-2-hydroxynicotinamide
951314-43-5

N-(4-fluorophenyl)-2-hydroxynicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane Reflux;91%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

(2S)-2-phenylglycinol
20989-17-7

(2S)-2-phenylglycinol

2-hydroxy-N-[(1S)-2-hydroxy-1-phenylethyl]pyridine-3-carboxamide

2-hydroxy-N-[(1S)-2-hydroxy-1-phenylethyl]pyridine-3-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at -15 - 20℃; Inert atmosphere;90%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

diethylamine
109-89-7

diethylamine

2-hydroxy-N,N-diethylnicotinamide

2-hydroxy-N,N-diethylnicotinamide

Conditions
ConditionsYield
Stage #1: 2-hydroxy-3-carboxypyridine With 1,1'-carbonyldiimidazole In tetrahydrofuran at 70℃; for 24h;
Stage #2: diethylamine In tetrahydrofuran at 70℃; for 18h;
90%
Stage #1: 2-hydroxy-3-carboxypyridine With 1,1'-carbonyldiimidazole In tetrahydrofuran at 60℃; for 1h; Inert atmosphere;
Stage #2: diethylamine In tetrahydrofuran at 60℃; for 2h; Inert atmosphere;
85%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

[RuCl2(η(6)-1,3,5-C6H3Me3)]2
52462-31-4

[RuCl2(η(6)-1,3,5-C6H3Me3)]2

chloroform
67-66-3

chloroform

[Ru(CH3)3C6H3(C6H3NO3)]2*1.5CHCl3

[Ru(CH3)3C6H3(C6H3NO3)]2*1.5CHCl3

Conditions
ConditionsYield
With NaOMe In methanol byproducts: NaCl; suspn. of Ru-complex and ligand in MeOH was stirred at room temp. for 10min, soln. of NaOMe in MeOH was added, stirred for 30 min under N2; solvent was evapd. under reduced pressure, extd. with CH2Cl2, hexane wasadded, solvent was evapd.; elem. anal.;89%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

2-hydroxy-5-nitropyridine-3-carboxylic acid
6854-07-5

2-hydroxy-5-nitropyridine-3-carboxylic acid

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 0 - 50℃; for 4h;88%
With sulfuric acid; nitric acid 1.) RT, 16 h, 2.) from 50 deg C to 70 deg C, 1.5 h;87%
With sulfuric acid; nitric acid87%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

benzyl bromide
100-39-0

benzyl bromide

2-(Benzyloxy)nicotinic acid
14178-18-8

2-(Benzyloxy)nicotinic acid

Conditions
ConditionsYield
With n-Bu4POH In tetrahydrofuran; water at 0 - 20℃;88%
Stage #1: 2-hydroxy-3-carboxypyridine; benzyl bromide With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere;
Stage #2: With sodium hydroxide Inert atmosphere;
4-(2-AMINOETHYL)MORPHOLINE
2038-03-1

4-(2-AMINOETHYL)MORPHOLINE

2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

2-hydroxy-N-(2-morpholinoethyl)nicotinamide
1221489-81-1

2-hydroxy-N-(2-morpholinoethyl)nicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane Reflux;88%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

4-chloro-aniline
106-47-8

4-chloro-aniline

N-(4-chlorophenyl)-2-hydroxynicotinamide
951314-44-6

N-(4-chlorophenyl)-2-hydroxynicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane Reflux;88%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

5-bromo-2-hydroxynicotinic acid
104612-36-4

5-bromo-2-hydroxynicotinic acid

Conditions
ConditionsYield
Stage #1: With sodium hydroxide; bromine In water at 0℃; for 0.0833333h;
Stage #2: 2-hydroxy-3-carboxypyridine With sodium hydroxide In water at 50℃; for 44h;
Stage #3: With hydrogenchloride In water at 0℃; pH=2;
87%
With sodium hydroxide; bromine at 0 - 50℃; for 18h;78%
With bromine In water; acetic acid78%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

dichloro(2,2'-bipyridine)platinum(II)
13965-31-6

dichloro(2,2'-bipyridine)platinum(II)

[PtCl(2-hydroxynicotinate)(2,2'-bipyridine)
503811-71-0

[PtCl(2-hydroxynicotinate)(2,2'-bipyridine)

Conditions
ConditionsYield
With triethylamine In methanol; ethanol stirred suspn. of Pt complex in methanol mixed with methanolic suspn. ofligand and triethylamine, stirred for 2 weeks; sentrifuged, washed with ethanol, dried (silica gel); elem. anal.;87%
2-hydroxy-3-carboxypyridine
609-71-2

2-hydroxy-3-carboxypyridine

p-toluidine
106-49-0

p-toluidine

2-hydroxy-N-(p-tolyl)nicotinamide
72646-01-6

2-hydroxy-N-(p-tolyl)nicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane Reflux;87%

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