Synthesis and Applications of Stenhouse Salts and Derivatives.

Rafael F A Gomes Jaime A S Coelho Carlos A M Afonso

Published in: Chemistry (Weinheim an der Bergstrasse, Germany) (2018)

In recent years, Stenhouse salts have attracted much attention as intermediates for the synthesis of cyclopenten-2-enones. This Minireview aims to present an overview of the methods for preparation, further transformation and applications of Stenhouse and Stenhouse-like salts. In this context, the Piancatelli rearrangement and its variants, and the recently reported donor-acceptor Stenhouse salts (DASA) will be addressed. The photophysical properties of DASA and its applications in colorimetric detection of amines, functionalization of polymers for detection of heat and nerve agents, photolithography and orthogonal photoswitching systems are discussed.

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