Diethyl Ether → HCID 178470066, compound

Participants

Reaction Steps

35.66 g of the product of Step B were added to 800 ml of anhydrous ether in the presence of sodium ethylate prepared from 2.69 g of sodium and 54 ml of ethanol and the mixture was vacuum filtered. The recovered precipitate was dissolved in water and the pH of the solution was adjusted to 1 by addition of 20% hydrochloric acid to obtain 30.56 g of ethyl 2,4-dihydroxy-8-trifluoromethyl-quinoline-3-carboxylate melting at 190° C which was used as is for the next step.

Provenance & Evidence