So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Shen, Yangyang; Cornella, Josep; Julia-Hernandez, Francisco; Martin, Ruben researched the compound: [Ir(dtbbpy)(ppy)2]PF6( cas:676525-77-2 ).Related Products of 676525-77-2.They published the article 《Visible-Light-Promoted Atom Transfer Radical Cyclization of Unactivated Alkyl Iodides》 about this compound( cas:676525-77-2 ) in ACS Catalysis. Keywords: unactivated alkyl iodide visible light iridium; cyclopentylidene iodoalkane preparation mol crystal structure; iridium atom transfer radical cyclization photocatalyst; visible light atom transfer radical cyclization promoter. We’ll tell you more about this compound (cas:676525-77-2).
A visible-light-mediated atom transfer radical cyclization of unactivated alkyl iodides is described. This protocol operates under mild conditions and exhibits high chemoselectivity profile while avoiding parasitic hydrogen atom transfer pathways. Preliminary mechanistic studies challenge the perception that a canonical photoredox catalytic cycle is being operative. A variety of cyclopentylidene iodoalkane derivatives, e.g., I (X-ray single crystal structure shown), and related compounds were prepared by this methodol.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”