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Flash Communication: S–N Bond Cleavage in Benzisothiazol Affords Complexes Related to [FeFe]-Hydrogenases Active Site with Peptidic-Type Bridge

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posted on 2025-05-01, 01:53 authored by Mohammad J. Uddin, Subas Rajbangshi, Shariff E. Kabir, Vladimir N. Nesterov, Catherine Elleouet, Shishir Ghosh, Philippe Schollhammer
The reaction of [Fe3(CO)12] with 1,2-benzisothiazol-3­(2H)-one affords a route to the di-iron complex [Fe2(CO)6(μ-S­{C6H4}­CONH)] (1) featuring a {Fe2SN} butterfly core with a peptide-like unit in close proximity to the di-iron site. Redox behaviors of 1 and its substituted derivatives [Fe2(CO)6‑x(PPh3)x(μ-S­{C6H4}­CONH)] (x = 1, 2) have been preliminarily investigated.

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