Silyl Radical–Mediated Photocatalytic Decyanation of α-Monosubstituted Malononitriles

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ID: 319018
2026
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Abstract
Abstract This manuscript represents a photocatalytic decyanation of α-monosubstituted malononitriles using a silyl boronic acid pinacol ester as a silyl radical precursor. The reaction proceeds under mild conditions via a radical–polar crossover mechanism, affording a variety of aliphatic nitriles in good to high yields with broad functional group tolerance. This protocol can be extended to decyanative deuteration using D2O, enabling the site-selective synthesis of deuterated nitriles. Mechanistic studies suggest that silyl radical addition to the nitrogen atom of the cyano group triggers decyanation through an imidoyl radical intermediate.
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openalex_W7166345211 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yuto Yoshida, Shuichi Nakamura, Naoki Yasukawa
Journal phytochemistry letters
Year 2026
DOI
10.1093/chemle/upag139
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