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Efficient Synthesis of Glycoporphyrins by Microwave‐Mediated “Click” Reactions

The Cu'-catalysed Huisgen cycloaddition "click" reaction has been applied to the synthesis of a range of triazole-linked glycoporphyrins. The "click" reaction under microwave-heating conditions has been shown to provide a general and robust methodology for the synthesis of mono-, di-, tri- and tetra-modified glycoporphyrins. A sequential "double-click" process was employed to access a new class of bis-modified 5,10-diglycoporphyrins displaying heterogeneous carbohydrates.