J. Reisch, M. Iding, I. V. Bassewitz
Jul 1, 1993
Citations
0
Influential Citations
3
Citations
Journal
Journal of Heterocyclic Chemistry
Abstract
Ethyl 4-hydroxy-1-methyl-3-quinolin-2(1H)-onecarboxylate (1) which is obtained conveniently by the condensation of N-methylisatoic anhydride with diethyl malonate [4], was reacted with 1,4-dibromo-2-methyl-butene (2) to give the main products ethyl 3-(4-bromo-3-methyl-2-butenyl)-1,2,3,4-tetrahydro-1-methyl-2,4-dioxo-3-quinolinecarboxylate (3) and 4-[(4-bromo-3-methyl-2-butenyl)oxy]-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxylate (4) and the dimeric derivatives 5 and 6