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A concise route for the synthesis of the novel compound class tetrazole-diketopiperazines was developed. The approach involves the use of two multicomponent reactions: the Ugi tetrazole four-component reaction (4CR) and the classical intramolecular Ugi 4CR. The tetrazole-diketopiperazines comprise analogs of and are bioisosteric to bioactive diketopiperazines, which thus draws attention for novel bioactive compound design. This scaffold was produced to fill the screening deck of the European lead factory.

Original publication




Journal article


European Journal of Organic Chemistry

Publication Date





51 - 55