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71083-04-0

Ethyl4-oxo-7-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylate synthesis

6synthesis methods
-

Yield:71083-04-0 89%

Reaction Conditions:

in diphenylether at 235; for 1 h;Inert atmosphere;

Steps:

5.1.3. General procedure B: Synthesis of compounds 12 a-d

General procedure: The malonate derivates 11a-d were dispersed in diphenylether(1.7 mL/mmol), flushed with argon and heated to 235 °C for 1 h with aheating jacket. The reaction mixture was poured into petroleum ether,the formed precipitate was collected by filtration and washed with amixture of LP/EtOAc 1/1 to yield the desired product.

References:

Simeone;Iorio;Siebert;Rehman;Schnürch;Mihovilovic;Ernst [Bioorganic and Medicinal Chemistry,2019,vol. 27,# 14,p. 3167 - 3178] Location in patent:supporting information