One-Pot, One-Step Mn-bis(imino)pyridine Complexes through Sonochemistry.

Authors

Justin A Arami, Xinzheng Yang, Alexander W Brodie, Lisa McElwee-White, Glenn P A Yap, Xiaosong Li, Titel Jurca

Published in

Inorganic chemistry. Jul 14, 2026. Epub Jul 14, 2026.

Abstract

Schiff base complexes of Mn have garnered significant attention as homogeneous catalysts. Among that class of compounds, bis(imino)pyridine-supported variants feature prominently. Synthesis of these species typically entails multistep, multiday processes and often under forcing conditions to drive condensation of less favorable nucleophiles. We report the multigram-scale one-pot, one-step synthesis of bis(imino)pyridine-Mn complexes using ultrasound-assisted synthesis, or sonochemistry, via acoustic cavitation. Complexes are assembled from their ligand components (diacetylpyridine, anilines, and MnCl₂·(H₂O)₄), without the aid of an additional acid catalyst, using methanol as a solvent, and without any effort to remove H₂O, in only 30 min of reaction time. The process is additionally amenable to electron-poor fluorinated anilines, giving rise to new complexes with novel steric and electronic environments around the Mn center.

PMID:
42444299
Bibliographic data and abstract were imported from PubMed on 14 Jul 2026.

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