title: 4,5-Bis(dimethylamino)quinolines: proton sponge versus azine behavior.
abstract: Two first representatives, 5 and 6, of the still unknown 4,5-bis(dimethylamino)quinoline have been synthesized and studied. While the former, being protonated either at the peri-NMe(2) groups or at the ring nitrogen, has been shown to display properties of both a proton sponge and azine, its counterpart 6 behaves exclusively as azine giving only a quinolinium salt.
authors.affiliation: Department of Organic Chemistry, Southern Federal University, Zorge str. 7, Rostov-on-Don 344090, Russian Federation.
authors.forename: Olga V
authors.initials: OV
authors.lastname: Dyablo
authors.forename: Elena A
authors.initials: EA
authors.lastname: Shmoilova
authors.forename: Alexander F
authors.initials: AF
authors.lastname: Pozharskii
authors.forename: Valery A
authors.initials: VA
authors.lastname: Ozeryanskii
authors.forename: Oleg N
authors.initials: ON
authors.lastname: Burov
authors.forename: Zoya A
authors.initials: ZA
authors.lastname: Starikova