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.Stauffer, Molly; Sakhaei, Zeinab; Greene, Christine; Ghosh, Pokhraj; Bertke, Jeffery A.; Warren, Timothy H. researched the compound: 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II)( cas:28903-71-1 ).Safety of 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II).They published the article 《Mechanism of O-Atom Transfer from Nitrite: Nitric Oxide Release at Copper(II)》 about this compound( cas:28903-71-1 ) in Inorganic Chemistry. Keywords: oxygen atom transfer kinetics copper coordinated nitrite phosphine; copper ketiminato nitrito preparation crystal structure nitric oxide release. We’ll tell you more about this compound (cas:28903-71-1).
Nitric oxide (NO) is a key signaling mol. in health and disease. While nitrite acts as a reservoir of NO activity, mechanisms for NO release require further understanding. Electronically varied β-diketiminato-copper(II) nitrite complexes [CuII](κ2-O2N) react with a range of electronically tuned triarylphosphines PArZ3 that release NO with the formation of O=PArZ3. Second-order rate constants are largest for electron-poor Cu(II) nitrite and electron-rich phosphine pairs. Computational anal. reveals a transition-state structure energetically matched with exptl. determined activation barriers. The production of NO follows a pathway that involves nitrite isomerization at CuII from κ2-O2N to κ1-NO2 followed by O-atom transfer (OAT) to form O=PArZ3 and [CuI]-NO that releases NO upon PArZ3 binding at CuI to form [CuI]-PArZ3. These findings illustrate important mechanistic considerations involved in NO formation from nitrite via OAT.
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com