Exploiting Synergistic Catalysis for an Ambient Temperature Photocycloaddition to Pyrazoles.

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ID: 63999
2019
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Ranked #17 of 117 articles by views in Chemistry (Weinheim an der Bergstrasse, Germany)

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Abstract
Sydnone based cycloaddition reactions are a versatile platform for pyrazole synthesis, however they operate under harsh conditions (high temperature and long reaction times). Herein we report a strategy that addresses this limitation utilizing the synergistic combination of organocatalysis and visible light photocatalysis. This new approach proceeds under ambient conditions and with excellent levels of regiocontrol. Mechanistic studies suggest that photoactivation of sydnones, rather than enamines, is key to the successful implementation of this process.
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harrity2019exploitingchemistry Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Harrity, Joseph P A;Lakeland, Christopher P;Watson, David W;
Journal Chemistry (Weinheim an der Bergstrasse, Germany)
Year 2019
DOI
10.1002/chem.201904210
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