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Among the available methods to increase the molecular complexity, sigmatropic rearrangements occupy a distinct position in organic synthesis. Despite being known for over a century sigmatropic rearrangement reactions of ylides via carbene transfer reaction have only recently come of age. Most of the ylide mediated rearrangement processes involve rupture of a σ‐bond and formation of a new bond between...
Sigmatropic rearrangement reactions constitute one of the most fundamental reactions of carbenes. While state‐of‐the‐art synthetic methods require the use of expensive precious metal catalysts, the application of visible light for the photolysis of α‐aryldiazoacetates is much less investigated and provides an operationally simple entry to carbenes under mild reaction conditions. Herein, we report...
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