group as defined for Formula I, under conditions suitable to effect elimination of the elements of HX to afford the compound of the Formula CLXIX, for example at a sufficiently elevated temperature or in the presence of a base such as sodium hydride, potassium hydride, diazabicycloundecene, diazabicyclononane, or diazabicyclooctane in solvents such as dimethylformamide or dimethylsulfoxide at ambi