6-Bromoquinoline-2-carboxylic acid

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6-Bromoquinoline-2-carboxylic acid Basic information
Product Name:6-Bromoquinoline-2-carboxylic acid
Synonyms:6-Bromoquinoline-2-carboxylic acid;6-Bromoquinaldic acid;6-BROMO-2-CARBOXYQUINOLINE;6-BROMO-2-QUINOLINECARBOXYLIC ACID;6-BroMo-quinolin-2-carboxylic acid;2-Quinolinecarboxylic acid, 6-bromo-
CAS:65148-10-9
MF:C10H6BrNO2
MW:252.06
EINECS:
Product Categories:
Mol File:65148-10-9.mol
6-Bromoquinoline-2-carboxylic acid Structure
6-Bromoquinoline-2-carboxylic acid Chemical Properties
Melting point 226 °C(Solv: methanol (67-56-1))
Boiling point 403.1±30.0 °C(Predicted)
density 1.732±0.06 g/cm3(Predicted)
storage temp. 2-8°C
pka4.45±0.43(Predicted)
AppearanceLight brown to brown Solid
Safety Information
MSDS Information
6-Bromoquinoline-2-carboxylic acid Usage And Synthesis
Synthesis
6-bromo-2-(tribromomethyl)quinoline

1020567-35-4

6-Bromoquinoline-2-carboxylic acid

65148-10-9

1b) Synthesis of 6-bromo-2-quinolinecarboxylic acid: Concentrated sulfuric acid (0.75 L) was slowly added to an aqueous (1.75 L) suspension of 6-bromo-2-(tribromomethyl)quinoline (350 g, 0.76 mol) over a period of 15 min under stirring conditions. The reaction mixture was heated at 150 °C (oil bath temperature) for 5 hours. After completion of the reaction, the mixture was cooled, the precipitate was collected by filtration, washed with water and dried to give 6-bromo-2-quinolinecarboxylic acid solid (127.6 g). The filtrate was diluted with water (3 L) to further precipitate a second product (55.7 g) in a combined yield of 183.3 g in 96% yield. The product was characterized by 1H NMR (400 MHz, DMSO-d6): δ 8.50 (d, J = 9 Hz, 1H), 8.38 (d, J = 2 Hz, 1H), 8.13 (d, J = 9 Hz, 1H), 8.06 (d, J = 9 Hz, 1H), 7.96 (m, 1H). an ES-LCMS assay showed m/z 253 ([M + H] +).

References[1] Patent: US2008/96921, 2008, A1. Location in patent: Page/Page column 32
[2] Journal of Labelled Compounds and Radiopharmaceuticals, 1998, vol. 41, # 12, p. 1103 - 1126
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