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Org Biomol Chem. 2016 Sep 26;14(38):8947-8951. doi: 10.1039/c6ob01764a.

Stabilized pyrrolyl iodonium salts and metal-free oxidative cross-coupling.

Organic & biomolecular chemistry

Koji Morimoto, Yusuke Ohnishi, Daichi Koseki, Akira Nakamura, Toshifumi Dohi, Yasuyuki Kita

Affiliations

  1. Ritsumeikan University, College of Pharmaceutical Sciences, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan.
  2. Ritsumeikan University, Research Organization of Science and Technology, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan. [email protected].

PMID: 27722732 DOI: 10.1039/c6ob01764a

Abstract

Pyrrole-aryl derivatives are important due to their unique biological activities in medicinal chemistry. We now report a new oxidative biaryl coupling for pyrroles and indoles toward various arenes using a hypervalent iodine reagent and an appropriate stabilizer for pyrrolyl iodonium intermediates. The reactions readily provide a variety of desired coupling products in good yields.

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