Various 3,4-substituted quinoline sulfides possessing a propargylthio and/or propargyloxy groups at the 3- and 4- positions were prepared by the reaction of thioquinanthrene with alkoxides.
Marciniec; Banasiak; Maslankiewicz, Polish Journal of Chemistry, 1999, vol. 73, # 7, p. 1171 - 1176