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Université de Fribourg

Photochemical C–H activation: generation of indole and carbazole libraries, and first total synthesis of clausenawalline D

Alimi, Isak ; Remy, Richard ; Bochet, Christian G.

In: European Journal of Organic Chemistry, 2017, vol. 2017, no. 22, p. 3197–3210

The photolysis of N-aryltriazoles and N-arylbenzotriazoles leads to indoles and carbazoles, respectively. Because libraries of triazoles can be accessed rapidly, for example by the copper-catalyzed [3+2] cycloaddition reaction between alkynes and azides, this reaction allows the preparation of indoles in a single operation, by the simultaneous photolysis of the precursor library. As an example of...