Quinoline compounds

Quinoline and isoquinoline are two isomers of benzo pyridine, both present in coal tar. The quinoline and isoquinoline and their many substituted derivatives, all can get from cyclizing benzene derivatives by the ring system. The basic reaction of synthesizing quinoline ring compound is that get aniline, glycerol, sulfuric acid and oxidizing agent (nitrobenzene, etc.) heated together. Since glycerol is dehydrated to become acrolein and then react with aniline, various aniline derivatives and other α, β- unsaturated carbonyl compounds can be used to synthesize quinoline compounds which has a substituent on a ring. Such as 4-methyl-quinoline (Le Puy-pyridine) is obtained from aniline and methyl - vinyl ketone . The way to synthesize Other quinoline compounds synthesis including the condensation of anthranilic ketone formaldehyde condensation. Such as 2-methyl-quinoline (QUINALDINIC) is prepared by the condensation of o-benzaldehyde and acetone.

Quinoline compound refers quinoline and its homologue, a bicyclic aromatics with nitrogen(hetero). Quinoline compounds are known as the heavy pyridine which is called tar base together with pyridine bases, a basic product obtained from high-temperature coal tar processing, including quinoline,isoquinoline, quinoline methyl and dimethyl quinoline and so on. Quinoline compounds mainly exist in the coal tar naphthalene oil fraction and wash oil fraction.The content of quinoline compounds in coal tar is about 0.3% to 0.5%. Quinoline compounds have a special smell, when they are exposed to air or sunlight the color becomes deeper gradually.

Quinoline compounds can be used to produce medicine, dyes, photographic materials, rubber, solvents and chemical reagents. Quinoline medicine is primarily used in the manufacture of niacin-based, 8-hydroxy quinoline and quinine-based drugs. Niacin-based drugs including nicotinamide, tonic, stimulant and treatment of tapeworm medicine; 8-hydroxy quinoline can be used to make the treatment of amoebic coccidiosis medicine, trauma disinfectants, mildew and textile auxiliaries and the like. Primaquine Ning, quinine chloride and hydroxylamine quinine is a synthetic treatment of malaria medicine. Isoquinoline can be used in the manufacture of pesticides, antimalarials, rubber vulcanization accelerator and determination of rare metals by chemical agents. Methyl-quinoline can be used for the manufacture of color film sensitizing agent and dye, also used as a solvent, impregnating agents, corrosion inhibitors, quinine-based drugs and pesticides. The extraction of quinoline compounds is same as the heavy pyridine refined.

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Structure Chemical Name CAS MF
4-Chlorophenethylamine 4-Chlorophenethylamine 156-41-2 C8H10ClN
Quinolin-2-amine Quinolin-2-amine 580-22-3 C9H8N2
6-Bromo-2-methylquinoline 6-Bromo-2-methylquinoline 877-42-9 C10H8BrN
2,2'-Biquinoline 2,2'-Biquinoline 119-91-5 C18H12N2
2-HYDROXY-4-METHYLQUINOLINE 2-HYDROXY-4-METHYLQUINOLINE 607-66-9 C10H9NO
4-Chloro-7-methoxyquinoline 4-Chloro-7-methoxyquinoline 68500-37-8 C10H8ClNO
2,8-BIS(TRIFLUOROMETHYL)-4-CHLOROQUINOLINE 2,8-BIS(TRIFLUOROMETHYL)-4-CHLOROQUINOLINE 83012-13-9 C11H4ClF6N
7,8-BENZOQUINOLINE 7,8-BENZOQUINOLINE 230-27-3 C13H9N
8-Quinolineboronic acid 8-Quinolineboronic acid 86-58-8 C9H8BNO2
Quinoxaline Quinoxaline 91-19-0 C8H6N2
8-Aminoisoquinoline 8-Aminoisoquinoline 23687-27-6 C9H8N2
4-NITROQUINOLINE N-OXIDE 4-NITROQUINOLINE N-OXIDE 56-57-5 C9H6N2O3
1-METHYLISOQUINOLINE 1-METHYLISOQUINOLINE 1721-93-3 C10H9N
7-Methylquinoline 7-Methylquinoline 612-60-2 C10H9N
6-CHLOROQUINOLINE 6-CHLOROQUINOLINE 612-57-7 C9H6ClN
1-Chloroisoquinoline 1-Chloroisoquinoline 19493-44-8 C9H6ClN
4-CHLOROQUINOLINE 4-CHLOROQUINOLINE 611-35-8 C9H6ClN
8-Chloroquinoline 8-Chloroquinoline 611-33-6 C9H6ClN
6,7-Dimethoxyquinazoline-2,4-dione 6,7-Dimethoxyquinazoline-2,4-dione 28888-44-0 C10H10N2O4
Isocarbostyril Isocarbostyril 491-30-5 C9H7NO
8-Hydroxyquinoline-5-sulfonic acid 8-Hydroxyquinoline-5-sulfonic acid 84-88-8 C9H7NO4S
ISOQUINOLINE N-OXIDE ISOQUINOLINE N-OXIDE 1532-72-5 C9H7NO
6-Fluoroquinaldine 6-Fluoroquinaldine 1128-61-6 C10H8FN
2-CHLOROQUINOLINE-3-CARBALDEHYDE 2-CHLOROQUINOLINE-3-CARBALDEHYDE 73568-25-9 C10H6ClNO
2-Quinolinecarboxaldehyde 2-Quinolinecarboxaldehyde 5470-96-2 C10H7NO
8-(TRIFLUOROMETHYL)QUINOLIN-4-OL 8-(TRIFLUOROMETHYL)QUINOLIN-4-OL 23779-96-6 C10H6F3NO
5-Nitroisoquinoline 5-Nitroisoquinoline 607-32-9 C9H6N2O2
2,6-DIMETHYLQUINOLINE 2,6-DIMETHYLQUINOLINE 877-43-0 C11H11N
3-Hydroxyisoquinoline 3-Hydroxyisoquinoline 7651-81-2 C9H7NO
2-Methyl-6-quinolinecarboxylic acid 2-Methyl-6-quinolinecarboxylic acid 635-80-3 C11H9NO2
6-Bromoisoquinoline 6-Bromoisoquinoline 34784-05-9 C9H6BrN
8-Mercaptoquinoline hydrochloride 8-Mercaptoquinoline hydrochloride 34006-16-1 C9H8ClNS
6-Bromoquinoline 6-Bromoquinoline 5332-25-2 C9H6BrN
7-Bromoquinoline 7-Bromoquinoline 4965-36-0 C9H6BrN
QUINOLINE-4-CARBOXYLIC ACID QUINOLINE-4-CARBOXYLIC ACID 486-74-8 C10H7NO2
Quinoline Quinoline 91-22-5 C9H7N
6-NITROQUINOLINE 6-NITROQUINOLINE 613-50-3 C9H6N2O2
4-CHLORO-8-(TRIFLUOROMETHYL)QUINOLINE 4-CHLORO-8-(TRIFLUOROMETHYL)QUINOLINE 23779-97-7 C10H5ClF3N
Decahydroquinoline Decahydroquinoline 2051-28-7 C9H17N
4-Hydroxyquinoline 4-Hydroxyquinoline 611-36-9 C9H7NO
8-Methylquinoline 8-Methylquinoline 611-32-5 C10H9N
3-Hydroxy-2-methyl-4-quinolinecarboxylic acid 3-Hydroxy-2-methyl-4-quinolinecarboxylic acid 117-57-7 C11H9NO3
6-Quinolinecarboxylic acid 6-Quinolinecarboxylic acid 10349-57-2 C10H7NO2
3-Quinolinecarboxaldehyde 3-Quinolinecarboxaldehyde 13669-42-6 C10H7NO
2-Hydroxy-4-quinolincarboxylic acid 2-Hydroxy-4-quinolincarboxylic acid 15733-89-8 C10H7NO3
5-Bromoisoquinoline 5-Bromoisoquinoline 34784-04-8 C9H6BrN
2,4-DIMETHYLQUINOLINE 2,4-DIMETHYLQUINOLINE 1198-37-4 C11H11N
1-Isoquinolinecarbonitrile 1-Isoquinolinecarbonitrile 1198-30-7 C10H6N2
6-BROMO-4-CHLOROQUINOLINE 6-BROMO-4-CHLOROQUINOLINE 65340-70-7 C9H5BrClN
7-FLUORO-2-METHYLQUINOLINE 7-FLUORO-2-METHYLQUINOLINE 1128-74-1 C10H8FN
8-Bromoquinoline 8-Bromoquinoline 16567-18-3 C9H6BrN
6-Aminoquinoxaline 6-Aminoquinoxaline 6298-37-9 C8H7N3
5-Bromoquinoline 5-Bromoquinoline 4964-71-0 C9H6BrN
3-Bromoquinoline 3-Bromoquinoline 5332-24-1 C9H6BrN
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one 13794-72-4 C10H10N2O3
4-Chloro-6-fluoroquinoline 4-Chloro-6-fluoroquinoline 391-77-5 C9H5ClFN
4-Chloro-7-(trifluoromethyl)quinoline 4-Chloro-7-(trifluoromethyl)quinoline 346-55-4 C10H5ClF3N
6-Methoxyquinaldine 6-Methoxyquinaldine 1078-28-0 C11H11NO
4-Hydroxy-2-methylindole 4-Hydroxy-2-methylindole 35320-67-3 C9H9NO
5-Nitroquinoline 5-Nitroquinoline 607-34-1 C9H6N2O2
4-Hydroxy-6,7-dimethoxyqunioline 4-Hydroxy-6,7-dimethoxyqunioline 13425-93-9 C11H11NO3
5,7-Dichloro-8-hydroxyquinaldine 5,7-Dichloro-8-hydroxyquinaldine 72-80-0 C10H7Cl2NO
8-Quinolinecarboxylic acid 8-Quinolinecarboxylic acid 86-59-9 C10H7NO2
6-BROMO-4-HYDROXYQUINOLINE 6-BROMO-4-HYDROXYQUINOLINE 145369-94-4 C9H6BrNO
METHYL QUINOLINE-6-CARBOXYLATE METHYL QUINOLINE-6-CARBOXYLATE 38896-30-9 C11H9NO2
4-Quinolinecarboxaldehyde 4-Quinolinecarboxaldehyde 4363-93-3 C10H7NO
7-Methoxy-4-quinolinol 7-Methoxy-4-quinolinol 82121-05-9 C10H9NO2
6,7-Dihydro-5H-quinolin-8-one 6,7-Dihydro-5H-quinolin-8-one 56826-69-8 C9H9NO
5-Hydroxyquinoline 5-Hydroxyquinoline 578-67-6 C9H7NO
6-HYDROXYQUINOLINE 6-HYDROXYQUINOLINE 19315-93-6 C9H7NO2
8-FLUORO-4-HYDROXYQUINOLINE 8-FLUORO-4-HYDROXYQUINOLINE 63010-71-9 C9H6FNO
4-Hydroxyquinazoline 4-Hydroxyquinazoline 491-36-1 C8H6N2O
8-Bromoisoquinoline 8-Bromoisoquinoline 63927-22-0 C9H6BrN
5-Amino-8-quinolinol dihydrochloride 5-Amino-8-quinolinol dihydrochloride 21302-43-2 C9H10Cl2N2O
3-Quinolinecarboxylic acid 3-Quinolinecarboxylic acid 6480-68-8 C10H7NO2
8-Aminoquinaldine 8-Aminoquinaldine 18978-78-4 C10H10N2
3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0 C9H9NO2
2-HYDRAZINOQUINOLINE 2-HYDRAZINOQUINOLINE 15793-77-8 C9H9N3
2,4-Quinolinediol 2,4-Quinolinediol 86-95-3 C9H7NO2
2-Chloroquinoline 2-Chloroquinoline 612-62-4 C9H6ClN
2-Bromoquinoline 2-Bromoquinoline 2005-43-8 C9H6BrN
3-Methylquinoline 3-Methylquinoline 612-58-8 C10H9N
2-Quinolinol 2-Quinolinol 59-31-4 C9H7NO
1,2,3,4-Tetrahydroquinolin-2-one 1,2,3,4-Tetrahydroquinolin-2-one 553-03-7 C9H9NO
7-Hydroxyisoquinoline 7-Hydroxyisoquinoline 7651-83-4 C9H7NO
2-(Chloromethyl)quinoline hydrochloride 2-(Chloromethyl)quinoline hydrochloride 3747-74-8 C10H9Cl2N
2-CHLOROQUINOLINE-4-CARBOXYLIC ACID 2-CHLOROQUINOLINE-4-CARBOXYLIC ACID 5467-57-2 C10H6ClNO2
4-AMINO-2-METHYLQUINOLINE 4-AMINO-2-METHYLQUINOLINE 6628-04-2 C10H10N2
3-Quinolineboronic acid 3-Quinolineboronic acid 191162-39-7 C9H8BNO2
6-Methoxyisoquinoline 6-Methoxyisoquinoline 52986-70-6 C10H9NO
2,3-Cyclohexeno pyridine 2,3-Cyclohexeno pyridine 10500-57-9 C9H11N
4-Chloro-3-nitroquinoline 4-Chloro-3-nitroquinoline 39061-97-7 C9H5ClN2O2
8-Aminoquinoline 8-Aminoquinoline 578-66-5 C9H8N2
8-Hydroxyquinaldine 8-Hydroxyquinaldine 826-81-3 C10H9NO
2,3-DIHYDROXYQUINOXALINE 2,3-DIHYDROXYQUINOXALINE 15804-19-0 C8H6N2O2
XANTHURENIC ACID XANTHURENIC ACID 59-00-7 C10H7NO4
8-Hydroxyquinoline sulfate 8-Hydroxyquinoline sulfate 134-31-6 2C9H7NO.H2O4S
1,2,3,4-Tetrahydroquinoline 1,2,3,4-Tetrahydroquinoline 635-46-1 C9H11N
2,4-Dichloro-6,7-dimethoxyquinazoline 2,4-Dichloro-6,7-dimethoxyquinazoline 27631-29-4 C10H8Cl2N2O2
5-Aminoquinoline 5-Aminoquinoline 611-34-7 C9H8N2
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