Fig. 8
From: Switchable protection and exposure of a sensitive squaraine dye within a redox active rotaxane
Capping-synthesis of Rot by CuII catalyzed azide alkyne Huisgen cycloaddition of trityl phenyl azide with the pseudo[2]rotaxane of Ax and TLM in dichloromethane. TBTA: tris((1-benzyl-4-triazolyl)methyl)amine.
