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
1,3-Dichloro-7-methylisoquinoline 1,3-Dichloro-7-methylisoquinoline 21902-37-4 C10H7Cl2N
5-Amino-1-chloroisoquinoline 5-Amino-1-chloroisoquinoline 374554-54-8 C9H7ClN2
QUINOLINE-6-CARBOXYLIC ACID ETHYL ESTER QUINOLINE-6-CARBOXYLIC ACID ETHYL ESTER 73987-38-9 C12H11NO2
5,7-difluoroquinoline 5,7-difluoroquinoline 34522-72-0 C9H5F2N
4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC ACID 4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC ACID 13721-01-2 C10H7NO3
6-chloroquinoline-8-carboxylic acid 6-chloroquinoline-8-carboxylic acid 6456-78-6 C10H6ClNO2
2,2'-BI-4-LEPIDINE 2,2'-BI-4-LEPIDINE 7654-51-5 C20H16N2
8-HYDROXYQUINOLINE-2-CARBONITRILE 8-HYDROXYQUINOLINE-2-CARBONITRILE 6759-78-0 C10H6N2O
TERT-BUTYL 7-BROMO-3,4-DIHYDROISOQUINOLINE-2(1H)-CARBOXYLATE TERT-BUTYL 7-BROMO-3,4-DIHYDROISOQUINOLINE-2(1H)-CARBOXYLATE 258515-65-0 C14H18BrNO2
6-CHLORO-2-HYDROXYQUINOLINE 6-CHLORO-2-HYDROXYQUINOLINE 1810-67-9 C9H6ClNO
3-Chloroquinoline 3-Chloroquinoline 612-59-9 C9H6ClN
QUINALDIC ACID SODIUM SALT QUINALDIC ACID SODIUM SALT 16907-79-2 C10H8NNaO2
8-Bromoacetylquinoline hydrobromide 8-Bromoacetylquinoline hydrobromide 859962-48-4 C11H9Br2NO
8-Fluoroisoquinoline 8-Fluoroisoquinoline 1075-00-9 C9H6FN
6-METHOXYQUINOLINE N-OXIDE 6-METHOXYQUINOLINE N-OXIDE 6563-13-9 C10H9NO2
LEPIDINE ISOAMYL IODIDE LEPIDINE ISOAMYL IODIDE 94319-01-4 C15H20IN
N-BENZYLQUINIDINIUM CHLORIDE N-BENZYLQUINIDINIUM CHLORIDE 77481-82-4 C27H31ClN2O2
6,8-DIMETHOXY-4-METHYLQUINOLINE 6,8-DIMETHOXY-4-METHYLQUINOLINE 51049-14-0 C12H13NO2
5-Chloro-3H-quinazolin-4-one 5-Chloro-3H-quinazolin-4-one 60233-66-1 C8H5ClN2O
2,7-DIMETHYLQUINOLINE 2,7-DIMETHYLQUINOLINE 93-37-8 C11H11N
4-HYDROXY-6-METHYLQUINAZOLINE 4-HYDROXY-6-METHYLQUINAZOLINE 19181-53-4 C9H8N2O
ETHYL 8-BROMO-4-HYDROXYQUINOLINE-3-CARBOXYLATE ETHYL 8-BROMO-4-HYDROXYQUINOLINE-3-CARBOXYLATE 35975-57-6 C12H10BrNO3
6-Chloroquinazoline-2,4(1H,3H)-dione 6-Chloroquinazoline-2,4(1H,3H)-dione 1640-60-4 C8H5ClN2O2
8-Quinolinamine,5,6,7,8-tetrahydro-,(8S)-(9CI) 8-Quinolinamine,5,6,7,8-tetrahydro-,(8S)-(9CI) 369656-57-5 C9H12N2
1-METHYL-1,2,3,4-TETRAHYDRO-QUINOLINE-6-CARBOXYLIC ACID 1-METHYL-1,2,3,4-TETRAHYDRO-QUINOLINE-6-CARBOXYLIC ACID 162648-46-6 C11H13NO2
6-CHLORO-5-NITROQUINOLINE 6-CHLORO-5-NITROQUINOLINE 86984-32-9 C9H5ClN2O2
QUINOLINE SULPHATE QUINOLINE SULPHATE 54957-90-3 C9H9NO4S
6-Bromo-7-fluoroquinoline 6-Bromo-7-fluoroquinoline 127827-52-5 C9H5BrFN
4-Amino-3-bromoquinoline 4-Amino-3-bromoquinoline 36825-36-2 C9H7BrN2
6-TERT-BUTYLQUINOLINE 6-TERT-BUTYLQUINOLINE 68141-13-9 C13H15N
5-METHOXYQUINOLINE 5-METHOXYQUINOLINE 6931-19-7 C10H9NO
6-CHLOROQUINOXALINE 6-CHLOROQUINOXALINE 5448-43-1 C8H5ClN2
4-CHLORO-7-(3-CHLORO-PROPOXY)-6-METHOXY-QUINOLINE-3-CARBONITRILE 4-CHLORO-7-(3-CHLORO-PROPOXY)-6-METHOXY-QUINOLINE-3-CARBONITRILE 214470-68-5 C14H12Cl2N2O2
6-Bromo-4-methylquinoline 6-Bromo-4-methylquinoline 41037-28-9 C10H8BrN
QUINOLINIUM DICHROMATE QUINOLINIUM DICHROMATE 56549-24-7 C18H16Cr2N2O7
8-METHYL-4-QUINAZOLONE 8-METHYL-4-QUINAZOLONE 19181-54-5 C9H8N2O
ETHYL 4-HYDROXY-2-QUINOLINECARBOXYLATE ETHYL 4-HYDROXY-2-QUINOLINECARBOXYLATE 24782-43-2 C12H11NO3
2-METHYL-1,5-NAPHTHYRIDINE 2-METHYL-1,5-NAPHTHYRIDINE 7675-32-3 C9H8N2
8-Quinolinamine,5,6,7,8-tetrahydro-,(8R)-(9CI) 8-Quinolinamine,5,6,7,8-tetrahydro-,(8R)-(9CI) 369655-84-5 C9H12N2
6-HYDROXY-1,2,3,4-TETRAHYDRO-ISOQUINOLINE-3-CARBOXYLIC ACID 6-HYDROXY-1,2,3,4-TETRAHYDRO-ISOQUINOLINE-3-CARBOXYLIC ACID 76824-99-2 C10H11NO3
QUINIDINE HYDROCHLORIDE QUINIDINE HYDROCHLORIDE 6151-40-2 C20H27ClN2O3
3-Methoxyquinoline 3-Methoxyquinoline 6931-17-5 C10H9NO
8-METHOXYQUINOLINE 8-METHOXYQUINOLINE 938-33-0 C10H9NO
5,7-Difluoro-6-bromoquinoline 5,7-Difluoro-6-bromoquinoline 1022091-49-1 C9H4BrF2N
7-Benzyloxy-4-chloro-6-methoxy-quinoline 7-Benzyloxy-4-chloro-6-methoxy-quinoline 286371-49-1 C17H14ClNO2
8-CHLORO-2-HYDROXYQUINOLINE 8-CHLORO-2-HYDROXYQUINOLINE 23981-25-1 C9H6ClNO
1-Ethyl-7-nitro-1,2,3,4-tetrahydroquinoline 1-Ethyl-7-nitro-1,2,3,4-tetrahydroquinoline 57883-28-0 C11H14N2O2
2-QUINOLINETHIOL 2-QUINOLINETHIOL 2637-37-8 C9H7NS
OXINE-COPPER OXINE-COPPER 13014-03-4 C18H12CuN2O2
4-HYDROXY-8-METHOXY-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER 4-HYDROXY-8-METHOXY-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER 27568-04-3 C13H13NO4
ETHYL 4-HYDROXY-7-(TRIFLUOROMETHYL)QUINOLINE-3-CARBOXYLATE ETHYL 4-HYDROXY-7-(TRIFLUOROMETHYL)QUINOLINE-3-CARBOXYLATE 391-02-6 C13H10F3NO3
8-Hydroxyquinoline sulfate monohydrate 8-Hydroxyquinoline sulfate monohydrate 207386-91-2 C9H11NO6S
7-TRIFLUOROMETHYL-4-QUINOLINETHIOL 7-TRIFLUOROMETHYL-4-QUINOLINETHIOL 64415-07-2 C10H6F3NS
5-Methylquinoline 5-Methylquinoline 7661-55-4 C10H9N
2-Methoxyquinoline-3-boronic acid 2-Methoxyquinoline-3-boronic acid 886853-93-6 C10H10BNO3
8-Bromo-7-methoxyquinoline 8-Bromo-7-methoxyquinoline 36023-06-0 C10H8BrNO
7-methoxy-4-methylquinoline 7-methoxy-4-methylquinoline 6238-12-6 C11H11NO
4-HYDROXY-2-METHYLQUINOLINE-6-CARBOXYLIC ACID ETHYL ESTER 4-HYDROXY-2-METHYLQUINOLINE-6-CARBOXYLIC ACID ETHYL ESTER 300590-94-7 C13H13NO3
3-QUINOLINEBORONIC ACID HYDROCHLORIDE 3-QUINOLINEBORONIC ACID HYDROCHLORIDE 850568-71-7 C9H9BClNO2
8-HYDROXYQUINOLINE-5-SULFONIC ACID 8-HYDROXYQUINOLINE-5-SULFONIC ACID 207386-92-3 C9H7NO4S
7-CHLORO-4-IODOQUINOLINE  97 7-CHLORO-4-IODOQUINOLINE 97 98591-57-2 C9H5ClIN
4-CHLORO-7-HYDROXY-6-METHOXY-QUINOLINE-3-CARBONITRILE 4-CHLORO-7-HYDROXY-6-METHOXY-QUINOLINE-3-CARBONITRILE 263149-10-6 C11H7ClN2O2
Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate Ethyl 7-chloro-4-hydroxy-8-methylquinoline-3-carboxylate 5350-94-7 C13H12ClNO3
8-Amino-4-methylquinoline 8-Amino-4-methylquinoline 62748-01-0 C10H10N2
4-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-QUINOLINE 4-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-QUINOLINE 1035458-54-8 C15H18BNO2
2-PHENYL-QUINOLINE-4-CARBOXYLIC ACID METHYL ESTER 2-PHENYL-QUINOLINE-4-CARBOXYLIC ACID METHYL ESTER 4546-48-9 C17H13NO2
3,4,5,6,7,8-HEXAHYDRO-2(1H)-QUINOLINONE 3,4,5,6,7,8-HEXAHYDRO-2(1H)-QUINOLINONE 10333-11-6 C9H13NO
ethyl2-methylquinoline-6-carboxylate ethyl2-methylquinoline-6-carboxylate 855763-77-8 C13H13NO2
Indolo[3,2-b]carbazole Indolo[3,2-b]carbazole 6336-32-9 C18H12N2
Ethyl 6,8-difluoro-4-hydroxyquinoline-3-carboxylate Ethyl 6,8-difluoro-4-hydroxyquinoline-3-carboxylate 107555-38-4 C12H9F2NO3
QUINOLINE-3-CARBOXYLIC ACID QUINOLINE-3-CARBOXYLIC ACID 118803-81-9 C10H7NO2
2-METHYL-QUINOLINE-4-CARBOXYLIC ACID 2-METHYL-QUINOLINE-4-CARBOXYLIC ACID 634-38-8 C11H9NO2
6-(TRIFLUOROMETHYL)QUINOLINE,95% MIN(HPLC) 6-(TRIFLUOROMETHYL)QUINOLINE,95% MIN(HPLC) 325-13-3 C10H6F3N
8-Bromo-7-quinolinol 8-Bromo-7-quinolinol 90224-71-8 C9H6BrNO
3-BROMOQUINOLIN-5-OL 3-BROMOQUINOLIN-5-OL 1123738-15-7 C9H6BrNO
4-AMINO-3-NITROQUINOLINE 4-AMINO-3-NITROQUINOLINE 42606-33-7 C9H7N3O2
QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER 50741-46-3 C12H11NO2
[99010-09-0], C13H17N3,215.30 [99010-09-0], C13H17N3,215.30 935521-01-0 C13H18ClN3
3-BROMO-6-METHOXYQUINOLINE 3-BROMO-6-METHOXYQUINOLINE 14036-96-5 C10H8BrNO
ETHYL 2-(QUINOLIN-6-YL)ACETATE ETHYL 2-(QUINOLIN-6-YL)ACETATE 5622-38-8 C13H13NO2
4-HYDROXYQUINOLINE 4-HYDROXYQUINOLINE 529-37-3 C9H7NO
8,8'-DIQUINOLYL DISULFIDE 8,8'-DIQUINOLYL DISULFIDE 1160-28-7 C18H12N2S2
7,8-Dichloroisoquinoline 7,8-Dichloroisoquinoline 61563-36-8 C9H5Cl2N
ethyl4-amino-2-methylquinoline-6-carboxylate ethyl4-amino-2-methylquinoline-6-carboxylate 100795-25-3 C13H14N2O2
8-Chloro-2-methylquinazolin-4(3H)-one 8-Chloro-2-methylquinazolin-4(3H)-one 19407-54-6 C9H7ClN2O
2(1H)-Quinolinone, 1,4-dimethyl- 2(1H)-Quinolinone, 1,4-dimethyl- 2584-47-6 C11H11NO
4-(8-HYDROXY-5-QUINOLYLAZO)-1-NAPHTHALENESULFONIC ACID DISODIUM SALT 4-(8-HYDROXY-5-QUINOLYLAZO)-1-NAPHTHALENESULFONIC ACID DISODIUM SALT C19H13N3Na2O4S+2
6-AMINOQUINOLINE HYDROCHLORIDE 6-AMINOQUINOLINE HYDROCHLORIDE 53472-17-6 C9H9ClN2
1,3-Dichloro-7-fluoroisoquinoline 1,3-Dichloro-7-fluoroisoquinoline 941294-25-3 C9H4Cl2FN
8-BROMO-4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID 8-BROMO-4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID 35973-17-2 C10H6BrNO3
2-CHLORO-3-CYANOQUINOLINE 2-CHLORO-3-CYANOQUINOLINE 95104-21-5 C10H5ClN2
6-Bromo-4-methoxyquinoline 6-Bromo-4-methoxyquinoline 874792-20-8 C10H8BrNO
6,7-Dichloro-3-(trifluoromethyl)quinoxalin-2(1H)-one 6,7-Dichloro-3-(trifluoromethyl)quinoxalin-2(1H)-one 477857-25-3 C9H3Cl2F3N2O
6(5H)-quinolinone,7,8-dihydro- 6(5H)-quinolinone,7,8-dihydro- 27463-91-8 C9H9NO
3-Bromo-6-quinolineacetic acid 3-Bromo-6-quinolineacetic acid 1022091-93-5 C11H8BrNO2
8-HYDROXYQUINOLINE-2-SULFONIC ACID MONOHYDRATE 8-HYDROXYQUINOLINE-2-SULFONIC ACID MONOHYDRATE 20946-17-2 C9H7NO4S
N-(tert-Butyl)-3,6,7-trichloroquinoxalin-2-amine N-(tert-Butyl)-3,6,7-trichloroquinoxalin-2-amine 281211-09-4 C12H12Cl3N3
6,7-Dichloroquinoline 6,7-Dichloroquinoline 40635-11-8 C9H5Cl2N
8-acetylquinoline 8-acetylquinoline 56234-20-9 C11H9NO
4-Amino-6-bromo-2-(trifluoromethyl)quinoline-3-carbonitrile 4-Amino-6-bromo-2-(trifluoromethyl)quinoline-3-carbonitrile 1209063-53-5 C11H5BrF3N3
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