Abstract
Abstract A concise access to C3-symmetric macrocyclic triimines was developed. When biphenyls having a formyl group on one phenyl group and an NHBoc group on the other phenyl group were treated with an excess amount of concentrated HCl in 1,4-dioxane, the detachment of the Boc group followed by a trimerization reaction via imine formation proceeded smoothly to afford C3-symmetric imine-linked macrocycles in good chemical yields.
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