We present a straightforward one-step process to access a range of novel -diindolepyrazines via an unprecedented [-BuN][Fe(CO)(NO)] (TBA[Fe])-catalyzed intermolecular nitrogenative dimerization of various indole derivatives. Remarkably, tosylazide functions as a N1-synthon forming the central pyrazine unit that joins the two indole subunits. The catalytic transformation shows a good substrate scope, and the obtained products show interesting electronic properties.
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| http://dx.doi.org/10.1021/acs.orglett.3c04209 | DOI Listing |
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