Synthesis of spiro[indoline-3,1$$^\prime $$′-quinolizines] and spiro[indoline-3,4$$^\prime $$′-pyrido[1,2-a]quinolines] via three-component reactions of azaarenes, acetylenedicarboxylate, and 3-methyleneoxindoles
Titel:
Synthesis of spiro[indoline-3,1$$^\prime $$′-quinolizines] and spiro[indoline-3,4$$^\prime $$′-pyrido[1,2-a]quinolines] via three-component reactions of azaarenes, acetylenedicarboxylate, and 3-methyleneoxindoles