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ChemicalBook CAS DataBase List 4-CHLORO-6-IODO-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER
206257-60-5

4-CHLORO-6-IODO-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER synthesis

6synthesis methods
302949-01-5 Synthesis
AURORA 17787

302949-01-5
17 suppliers
$150.00/500mg

4-CHLORO-6-IODO-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER

206257-60-5
18 suppliers
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Yield:206257-60-5 98%

Reaction Conditions:

with trichlorophosphate for 14 h;Heating / reflux;

Steps:

1.c

c) Preparation of 4-chloro-6-iodo-quinoline-3-carboxylic acid ethyl ester A mixture of 6-iodo-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (56 g, 0.16 mol) in phosphorus oxychloride (180 mL) was refluxed under N2 for 14 h. After cooling, the solvent was removed by rotary evaporator and then by the oil pump. Sat. sodium bicarbonate (200 mL) was slowly added. The solid was collected by filtration, washed with sat. sodium bicarbonate, water and dried to obtain 4-chloro-6-iodo-quinoline-3-carboxylic acid ethyl ester (58 g, 98%) as a yellow solid.

References:

US2006/4046,2006,A1 Location in patent:Page/Page column 12

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