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A photochemical approach to polysubstituted heterocycles using UV‐induced alkene isomerization is described. The method allows for the synthesis of disubstituted furans and pyrroles under mild and neutral conditions and also provides access to a class of trisubstituted furans pertinent to natural‐product synthesis. The method has broad functional‐group tolerance and many richly decorated heterocycles...
The reduction of a series of electron deficient aromatic heterocycles has been examined using electrochemical techniques: the analysis was performed under anhydrous conditions at low temperature, so as to mimic typical synthetic reducing conditions.
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