Pyridine compound

Pyridine compound is one of the most widely developed and used heterocyclic compound. As an important fine chemical raw material, its derivatives mainly include alkyl pyridine, halogenated pyridine, aminopyridine, bromo pyridine, picoline , iodine pyridine, chloropyridine, nitropyridine-hydroxypyridine, benzyl pyridine, ethyl pyridine, pyridine cyano, fluoro pyridine, dihydropyridine, etc., in which the pesticide accounts for about 50% of the total consumption of pyridine products, feed additive about 30% and  medicine and other areas 20%.

Pyridine is a colorless or slightly yellow liquid that has weak alkaline and special odor. It is an important chemical raw material and solvent, which naturally presents in coal tar, shale oil, gas and petroleum and is miscible with most of the water, alcohols, ethers, petroleum ether, oils, benzene, chloroform and other organic solvents.

The important derivatives of pyridine mainly include nicotinic acid, nicotinamide, isonicotinic hydrazide, nicotine, strychnine, and vitamin B6.

Pyridine has a close hexagonal structure that is similar to benzene. Because of the electron-withdrawing effect of the nitrogen atom in the ring, the electron density of 2,4,6 positions is less than that of 3,5 positions. In an acidic medium, electrophilic substitution reactions occur in the 3,5 positions and nucleophilic reactions, such as amination, alkylation, arylation, acylation, occur in the 2,4,6 positions. Pyridine is a weak tertiary amine, which can form different water-soluble salts with various acids (such as picric acid, perchloric acid or the like) in an ethanol solution. Due to the alkaline of pyridine, it can generate hydrochloride (C5H5N•HCl)with hydrochloric acid. In the effect of nickel catalyst at 200 ℃ and 15-30MPa, it can generate piperidine via hydrogenation or electrolysis reduction. The reduction of pyridine is easier than benzene, while the oxidation is more difficult than benzene. But we can oxidize pyridine by the catalysis of hydrogen peroxide or peroxy acids. N-pyridine oxide is an important pyridine derivative, which is easier for the happen of aryl group electrophilic substitution reaction because the oxidation of nitrogen atoms make the formation of positively charged pyridinium cation impossible. Electrophilic substitutions, such as pyridine nitration, sulfonation, halogenation, are relatively difficult, but the previous actions are slightly easier than halogenation. We can obtain 3,5-dichloro-pyridine or 3,4,5-trichloro pyridine via pyridine nitration and sulfonation at more than 200℃. Pyridine can form many crystalline complex compounds with various metal ions.

Click on the specific product, view the latest prices of the products, information, serving information
Structure Chemical Name CAS MF
2-Bromopyridine-5-boronic acid 2-Bromopyridine-5-boronic acid 223463-14-7 C5H5BBrNO2
2-Chloro-5-trifluoromethylpyridine 2-Chloro-5-trifluoromethylpyridine 52334-81-3 C6H3ClF3N
2-Bromo-5-cyanopyridine 2-Bromo-5-cyanopyridine 139585-70-9 C6H3BrN2
2-Bromo-5-methylpyridine 2-Bromo-5-methylpyridine 3510-66-5 C6H6BrN
2-Chloro-5-fluoropyridine 2-Chloro-5-fluoropyridine 31301-51-6 C5H3ClFN
2,3-DICHLORO-5-NITROPYRIDINE 2,3-DICHLORO-5-NITROPYRIDINE 22353-40-8 C5H2Cl2N2O2
2-AMINO-3-NITRO-5-FLUOROPYRIDINE 2-AMINO-3-NITRO-5-FLUOROPYRIDINE 212268-12-7 C5H4FN3O2
1-DIMETHYLCARBAMOYL-4-(2-SULFOETHYL)PYRIDINIUM BETAINE 1-DIMETHYLCARBAMOYL-4-(2-SULFOETHYL)PYRIDINIUM BETAINE 136997-71-2 C10H14N2O4S
3-Iodo-4-aminopyridine 3-Iodo-4-aminopyridine 88511-27-7 C5H5IN2
3,5-Lutidine 3,5-Lutidine 591-22-0 C7H9N
5-Ethyl-2-pyridineethanol 5-Ethyl-2-pyridineethanol 5223-06-3 C9H13NO
2-Hydroxy-4-methyl-3-nitropyridine 2-Hydroxy-4-methyl-3-nitropyridine 21901-18-8 C6H6N2O3
2-Amino-6-fluoropyridine 2-Amino-6-fluoropyridine 1597-32-6 C5H5FN2
5-CYANO-2-FLUORO-6-PICOLINE 5-CYANO-2-FLUORO-6-PICOLINE 375368-85-7 C7H5FN2
2-Amino-5-hydroxypyridine 2-Amino-5-hydroxypyridine 55717-46-9 C5H6N2O
3-HYDROXY-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER 3-HYDROXY-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER 62733-99-7 C7H7NO3
IMIDAZO[1,2-A]PYRIDINE-6-CARBOXYLIC ACID IMIDAZO[1,2-A]PYRIDINE-6-CARBOXYLIC ACID 139022-25-6 C8H6N2O2
4-CHLORO-PYRIDINE-2-CARBONITRILE 4-CHLORO-PYRIDINE-2-CARBONITRILE 19235-89-3 C6H3ClN2
3,5-DICHLORO-4-FORMYL PYRIDINE 3,5-DICHLORO-4-FORMYL PYRIDINE 136590-83-5 C6H3Cl2NO
3-Nitro-2-pyridinol 3-Nitro-2-pyridinol 6332-56-5 C5H4N2O3
2,3-Dichloropyridine 2,3-Dichloropyridine 2402-77-9 C5H3Cl2N
2,5-Diiodopyridine 2,5-Diiodopyridine 116195-81-4 C5H3I2N
3-Chloropyridine 3-Chloropyridine 626-60-8 C5H4ClN
1-Aminopyridinium iodide 1-Aminopyridinium iodide 6295-87-0 C5H7IN2
3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 130049-82-0 C11H15ClN2O2
2-AMINO-4-FLUOROPYRIDINE 2-AMINO-4-FLUOROPYRIDINE 944401-77-8 C5H5FN2
2-Methyl-3-nitropyridine 2-Methyl-3-nitropyridine 18699-87-1 C6H6N2O2
2-Fluoro-4-methyl-5-nitropyridine 2-Fluoro-4-methyl-5-nitropyridine 19346-47-5 C6H5FN2O2
3-AMINO-6-CHLORO-4-PICOLINE 3-AMINO-6-CHLORO-4-PICOLINE 66909-38-4 C6H7ClN2
3-Hydroxypyridine-2-carboxaldehyde 3-Hydroxypyridine-2-carboxaldehyde 1849-55-4 C6H5NO2
6-Hydroxy-5-nitro-2-picoline 6-Hydroxy-5-nitro-2-picoline 39745-39-6 C6H6N2O3
3-Amino-4-ethoxypyridine 3-Amino-4-ethoxypyridine 1633-43-8 C7H10N2O
2-AMINO-5-FLUORO-4-PICOLINE 2-AMINO-5-FLUORO-4-PICOLINE 301222-66-2 C6H7FN2
1-Phenacylpyridinium bromide 1-Phenacylpyridinium bromide 16883-69-5 C13H12BrNO
4-BROMO-3-PICOLINE HCL 4-BROMO-3-PICOLINE HCL 40899-37-4 C6H7BrClN
2-Bromo-6-pyridinemethanol 2-Bromo-6-pyridinemethanol 33674-96-3 C6H6BrNO
2-Bromo-4-iodopyridine 2-Bromo-4-iodopyridine 100523-96-4 C5H3BrIN
2-CHLORO-3-FLUORO-4-METHYLPYRIDINE 2-CHLORO-3-FLUORO-4-METHYLPYRIDINE 881891-82-3 C6H5ClFN
2,6-Dimethyl-3-nitropyridine 2,6-Dimethyl-3-nitropyridine 15513-52-7 C7H8N2O2
3-Amino-2-bromo-4-picoline 3-Amino-2-bromo-4-picoline 126325-50-6 C6H7BrN2
Methyl picolinate Methyl picolinate 2459-07-6 C7H7NO2
2,6-Dichloronicotinonitrile 2,6-Dichloronicotinonitrile 40381-90-6 C6H2Cl2N2
5-Amino-2-bromo-3-methylpyridine 5-Amino-2-bromo-3-methylpyridine 38186-83-3 C6H7BrN2
2-Bromo-5-fluoro-6-methylpyridine 2-Bromo-5-fluoro-6-methylpyridine 374633-38-2 C6H5BrFN
2-(Chloromethyl)pyridine 2-(Chloromethyl)pyridine 4377-33-7 C6H6ClN
4-AMINO-2,3,5,6-TETRAFLUOROPYRIDINE 4-AMINO-2,3,5,6-TETRAFLUOROPYRIDINE 1682-20-8 C5H2F4N2
4-Hydroxy-3-nitropyridine 4-Hydroxy-3-nitropyridine 5435-54-1 C5H4N2O3
3-Amino-4-bromopyridine 3-Amino-4-bromopyridine 239137-39-4 C5H5BrN2
5-Methylpyridine-3-boronic acid 5-Methylpyridine-3-boronic acid 173999-18-3 C6H8BNO2
2-Amino-3-picoline 2-Amino-3-picoline 1603-40-3 C6H8N2
6-CHLORO-3,4-PYRIDINEDIAMINE 6-CHLORO-3,4-PYRIDINEDIAMINE 89182-17-2 C5H6ClN3
3-Fluoro-4-bromopyridine 3-Fluoro-4-bromopyridine 2546-52-3 C5H3BrFN
2-Cyano-3,5-difluoropyridine 2-Cyano-3,5-difluoropyridine 298709-29-2 C6H2F2N2
2-Chloro-3-(trifluoromethyl)pyridine 2-Chloro-3-(trifluoromethyl)pyridine 65753-47-1 C6H3ClF3N
2,5-Diaminopyridine 2,5-Diaminopyridine 4318-76-7 C5H7N3
2,5-Dichloro-3-nitropyridine 2,5-Dichloro-3-nitropyridine 21427-62-3 C5H2Cl2N2O2
6-Methoxynicotinaldehyde 6-Methoxynicotinaldehyde 65873-72-5 C7H7NO2
1-(6-BROMO-PYRIDIN-3-YL)-ETHANONE 1-(6-BROMO-PYRIDIN-3-YL)-ETHANONE 139042-59-4 C7H6BrNO
4-Amino-3-fluoropyridine 4-Amino-3-fluoropyridine 2247-88-3 C5H5FN2
3-FLUOROPYRIDINE N-OXIDE 3-FLUOROPYRIDINE N-OXIDE 695-37-4 C5H4FNO
2-Chloromethyl-3,4-dimethoxypyridinium chloride 2-Chloromethyl-3,4-dimethoxypyridinium chloride 72830-09-2 C8H11Cl2NO2
3-Bromo-5-iodo-pyridine 3-Bromo-5-iodo-pyridine 233770-01-9 C5H3BrIN
2-Chloro-6-cyanopyridine 2-Chloro-6-cyanopyridine 33252-29-8 C6H3ClN2
6-BROMO-2-METHOXY-PYRIDIN-3-YLAMINE 6-BROMO-2-METHOXY-PYRIDIN-3-YLAMINE 89466-18-2 C6H7BrN2O
2-HYDROXY-6-(TRIFLUOROMETHYL)PYRIDINE 2-HYDROXY-6-(TRIFLUOROMETHYL)PYRIDINE 34486-06-1 C6H4F3NO
2,3,5,6-Tetrafluoropyridine 2,3,5,6-Tetrafluoropyridine 2875-18-5 C5HF4N
3-FLUORO-2-FORMYLPYRIDINE 3-FLUORO-2-FORMYLPYRIDINE 31224-43-8 C6H4FNO
2-Bromopyridine 2-Bromopyridine 109-04-6 C5H4BrN
3-Chloro-2-fluoro-pyridine 3-Chloro-2-fluoro-pyridine 1480-64-4 C5H3ClFN
2-Methoxy-3-nitropyridine 2-Methoxy-3-nitropyridine 20265-35-4 C6H6N2O3
2-Bromo-6-methyl-3-nitropyridine 2-Bromo-6-methyl-3-nitropyridine 374633-31-5 C6H5BrN2O2
3-CHLORO-4-HYDROXYPYRIDINE 3-CHLORO-4-HYDROXYPYRIDINE 89284-20-8 C5H4ClNO
2,5-Dichloronicotinic acid 2,5-Dichloronicotinic acid 59782-85-3 C6H3Cl2NO2
6,7-Dihydro-5H-pyrrolo[3,4-b]pyridine 6,7-Dihydro-5H-pyrrolo[3,4-b]pyridine 147739-88-6 C7H8N2
(2-CHLORO-PYRIDIN-4-YL)-METHANOL (2-CHLORO-PYRIDIN-4-YL)-METHANOL 100704-10-7 C6H6ClNO
6-Chloropyridn-2-ol 6-Chloropyridn-2-ol 16879-02-0 C5H4ClNO
2 6-DICHLORO-4-NITROPYRIDINE  97 2 6-DICHLORO-4-NITROPYRIDINE 97 25194-01-8 C5H2Cl2N2O2
2-Cyano-5-methylpyridine 2-Cyano-5-methylpyridine 1620-77-5 C7H6N2
6-Hydroxy-5-nitronicotinic acid 6-Hydroxy-5-nitronicotinic acid 6635-31-0 C6H4N2O5
2-BROMO-6-CHLOROPYRIDINE 2-BROMO-6-CHLOROPYRIDINE 5140-72-7 C5H3BrClN
2-Chloro-3-pyridinamine 2-Chloro-3-pyridinamine 6298-19-7 C5H5ClN2
6-Bromo-2-pyridinecarbonitrile 6-Bromo-2-pyridinecarbonitrile 122918-25-6 C6H3BrN2
4-Bromopyridine-2-carboxylic acid 4-Bromopyridine-2-carboxylic acid 30766-03-1 C6H4BrNO2
2-Amino-3-benzyloxypyridine 2-Amino-3-benzyloxypyridine 24016-03-3 C12H12N2O
4-Methyl-2-nitropyridine 4-Methyl-2-nitropyridine 18368-71-3 C6H6N2O2
2-BROMO-3-FORMYLPYRIDINE 2-BROMO-3-FORMYLPYRIDINE 128071-75-0 C6H4BrNO
6-Hydroxypicolinic acid 6-Hydroxypicolinic acid 19621-92-2 C6H5NO3
2-Bromo-5-hydroxypyridine 2-Bromo-5-hydroxypyridine 55717-45-8 C5H4BrNO
2-Fluoro-5-methylpyridine 2-Fluoro-5-methylpyridine 2369-19-9 C6H6FN
2-Chloro-4-methoxypyridine 2-Chloro-4-methoxypyridine 17228-69-2 C6H6ClNO
2-Amino-4,6-dimethylpyridine 2-Amino-4,6-dimethylpyridine 5407-87-4 C7H10N2
3-Pyridinesulfonic acid 3-Pyridinesulfonic acid 636-73-7 C5H5NO3S
4-Methylpyridine 4-Methylpyridine 108-89-4 C6H7N
2-Methyl-4-nitropyridine 2-Methyl-4-nitropyridine 13508-96-8 C6H6N2O2
6-CHLORO-2-PICOLINIC ACID METHYL ESTER 6-CHLORO-2-PICOLINIC ACID METHYL ESTER 6636-55-1 C7H6ClNO2
2,4-Lutidine 2,4-Lutidine 108-47-4 C7H9N
2-Amino-6-methylpyridine 2-Amino-6-methylpyridine 1824-81-3 C6H8N2
2,6-Dibromopyridine-4-carboxylic acid 2,6-Dibromopyridine-4-carboxylic acid 2016-99-1 C6H3Br2NO2
2-Chloropyridine-3-sulfonyl chloride 2-Chloropyridine-3-sulfonyl chloride 6684-06-6 C5H3Cl2NO2S
2-Pyridineboronic acid 2-Pyridineboronic acid 197958-29-5 C5H6BNO2
Email:[email protected] [email protected]
Copyright © 2024 Mywellwork.com All rights reserved.