Role of metal salts in the synthesis of 1,1,7,7,13,13,19,19-octamethyl-[1.1.1.1](2,5)furanophan
Abstract
The importance of pH, rather than a metal ion template effect, in the synthesis of a macrocycle is demonstrated for the first time; the results are correlated with the effect of added salts on the acidity of the reaction medium.