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Chemical Consequences of the Mechanical Bond: A Tandem Active Template-Rearrangement Reaction.


ABSTRACT: We report the unexpected discovery of a tandem active template CuAAC-rearrangement process, in which N2 is extruded on the way to the 1,2,3-triazole product to give instead acrylamide rotaxanes. Mechanistic investigations suggest this process is dictated by the mechanical bond, which stabilizes the CuI -triazolide intermediate of the CuAAC reaction and diverts it down the rearrangement pathway; when no mechanical bond is formed, the CuAAC product is isolated.

SUBMITTER: Modicom F 

PROVIDER: S-EPMC6589916 | biostudies-literature |

REPOSITORIES: biostudies-literature

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