Hydroxyamine hydrochloride → HCID 11723021, compound

Participants

Reaction Steps

Ethyl 1-ethyl-1,4-dihydro-7-(5-isoxazolyl)-4-oxo-3-quinolinecarboxylate was prepared from 30.8 g ethyl 7-[3-(dimethylamino)-1-oxo-2-propenyl]-1-ethyl-1,4-dihydro-4oxo-3-quinolinecarboxylate and 6.95 g hydroxylamine hydrochloride according to the procedure of Example 23, part (b), and was obtained (28.1 g) in the form of a light-tan solid, m.p. 180-183° C. when recrystallized from ethanol.

Provenance & Evidence