Co(iii)-Catalyzed three-component assembling of N-(2-pyrimidyl) indoles with dienes and formaldehyde?

Chemical Communications Pub Date: 2023-05-04 DOI: 10.1039/D3CC00875D

Abstract

A highly regio- and chemoselective three-component assembling of N-pyrimidyl indoles with dienes and formaldehyde in the presence of a Co(III) catalyst was demonstrated. The scope of the reaction was investigated with a variety of indole derivatives to synthesize substituted homoallylic alcohols. Both butadiene and isoprene units were compatible with the reaction. To understand the reaction mechanism, various investigations were carried out, and suggested the plausibility of a reaction mechanism involving C–H bond activation as a key step.

Graphical abstract: Co(iii)-Catalyzed three-component assembling of N-(2-pyrimidyl) indoles with dienes and formaldehyde
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