Lithiation of 4-bromobenzotrifluoride (I) by means of butyllithium provided the organolithium derivative (II), which was condensed with 8-methyl-8-azabicyclo[3.2.1]octan-3-one (III) to give the carbinol adduct (IV). Subsequent dehydration of (IV) employing HCl in AcOH produced the title olefin.