in methanol; water T=25°C; μ = 0.2 M (KCl); reactivity of spiro, 1,1-dimethoxy, and 1-methoxy-1-phenoxy Meisenheimer complexes, stereoelectronic and conformational effects; Equilibrium constant;

With  methoxide anion in  methanol; dimethyl sulfoxide  π and σ complexes investigated;  Mechanism;