The reactions of &bromo-(la) and 4-chloro-2, 4, 6-tri-tert-butyl-2, 5-cyclohexadien-l-one (lb) with compounds such as pyridine (44, a-(4b), 8-(4c), and y-picoline (4d), and 3, 5-lutidine (48) were carried out under various conditions to produce the corresponding 1-(3, 5-di-tert ...