Scandium trifluoromethanesulfonate (cas 144026-79-9) as Catalyst in the Hydrogen/Deuterium Exchange of 1,3,5-Trimethoxybenzene: Evidence for a Direct Interaction of Scandium with the Aromatic Ring

Add time:07/11/2019    Source:sciencedirect.com

Scandium trifluoromethanesulfonate (cas 144026-79-9) in CD3OD is a very active catalyst for hydrogen/deuterium exchange at the aromatic nucleus of 1,3,5-trimethoxybenzene. The very low proticity of the system, spectrophotometric evidence, and easy iodination of the substrate point to the formation of a transient unprecedented arylscandium species as a plausible intermediate of the reaction.

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