PUMA publications for /tag/amido%20radicalhttps://puma.ub.uni-stuttgart.de/tag/amido%20radicalPUMA RSS feed for /tag/amido%20radical2024-03-29T10:38:29+01:00- Stabilization of Cp(CO)2Mn fragment radicals?https://puma.ub.uni-stuttgart.de/bibtex/2b5e861120cd2394777729c09ce34bd71/b_schwederskib_schwederski2019-07-15T13:41:23+02:00ESR amido arom;manganese carbonyl cyclopentadienyl manganese radical stabilization <span data-person-type="author" class="authorEditorList "><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Renate Gross" itemprop="url" href="/person/13c6d3d76f99e512699bc162f4f2e921b/author/0"><span itemprop="name">R. Gross</span></a></span>, </span> and <span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Wolfgang. Kaim" itemprop="url" href="/person/13c6d3d76f99e512699bc162f4f2e921b/author/1"><span itemprop="name">W. Kaim</span></a></span></span>. </span><span class="additional-entrytype-information"><span itemtype="http://schema.org/PublicationIssue" itemscope="itemscope" itemprop="isPartOf"><em><span itemprop="journal">Angewandte Chemie</span>, </em> <em><span itemtype="http://schema.org/PublicationVolume" itemscope="itemscope" itemprop="isPartOf"><span itemprop="volumeNumber">97 </span></span>(<span itemprop="issueNumber">10</span>):
<span itemprop="pagination">869--870</span></em> </span>(<em><span>1985<meta content="1985" itemprop="datePublished"/></span></em>)</span>Mon Jul 15 13:41:23 CEST 2019Angewandte Chemie10869--870Stabilization of Cp(CO)2Mn fragment radicals?971985ESR amido arom;manganese carbonyl cyclopentadienyl manganese radical stabilization The neutral complexes Cp1(CO)2MnL (Cp1 = methylcyclopentadienyl; L = 4-cyanopyridine, p-(NC)2C6H4) and [Cp1(CO)2Mn]2L1 (L1 = 4,4'-bipyridine) were reduced by K to give ligand-centered radical anionic complexes Cp1(CO)2Mn(L-.bul.) (I; L = 4-cyanopyridine) and [Cp1(CO)2Mn]2[L2.bul.-] (II; L2 = p-(NC)2C6H4, 4,4'-bipyridine). The ESR spectra of paramagnetic I and II showed they contained neutral Mn(I) fragments, in which the d6 Mn stabilized the radical anionic ligands by \textgreek{p}-backbonding. In contrast, neutral, paramagnetic Cp1(CO)2MnR (R = NHC6H4NMe2-4, imidazolo, NHR1; R1 = 4-pyridyl) and Cp5(CO)2Mn(NHC6H4Me-4) (Cp5 = pentamethylcyclopentadienyl), prepd. by oxidative deprotonation of Cp1(CO)2Mn(RH) or Cp5(CO)2Mn(NH2C6H4Me-4), contained low spin Mn(II) and diamagnetic ligands. [on SciFinder(R)]
- Stabilization of Cp(CO)2Mn fragment radicals?https://puma.ub.uni-stuttgart.de/bibtex/2b5e861120cd2394777729c09ce34bd71/huebleriachuebleriac2022-06-15T11:26:56+02:00ESR amido arom;manganese carbonyl cyclopentadienyl manganese radical stabilization <span data-person-type="author" class="authorEditorList "><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Renate Gross" itemprop="url" href="/person/13c6d3d76f99e512699bc162f4f2e921b/author/0"><span itemprop="name">R. Gross</span></a></span>, </span> and <span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Wolfgang. Kaim" itemprop="url" href="/person/13c6d3d76f99e512699bc162f4f2e921b/author/1"><span itemprop="name">W. Kaim</span></a></span></span>. </span><span class="additional-entrytype-information"><span itemtype="http://schema.org/PublicationIssue" itemscope="itemscope" itemprop="isPartOf"><em><span itemprop="journal">Angewandte Chemie</span>, </em> <em><span itemtype="http://schema.org/PublicationVolume" itemscope="itemscope" itemprop="isPartOf"><span itemprop="volumeNumber">97 </span></span>(<span itemprop="issueNumber">10</span>):
<span itemprop="pagination">869--870</span></em> </span>(<em><span>1985<meta content="1985" itemprop="datePublished"/></span></em>)</span>Wed Jun 15 11:26:56 CEST 2022Angewandte Chemie10869--870Stabilization of Cp(CO)2Mn fragment radicals?971985ESR amido arom;manganese carbonyl cyclopentadienyl manganese radical stabilization The neutral complexes Cp1(CO)2MnL (Cp1 = methylcyclopentadienyl; L = 4-cyanopyridine, p-(NC)2C6H4) and [Cp1(CO)2Mn]2L1 (L1 = 4,4'-bipyridine) were reduced by K to give ligand-centered radical anionic complexes Cp1(CO)2Mn(L-.bul.) (I; L = 4-cyanopyridine) and [Cp1(CO)2Mn]2[L2.bul.-] (II; L2 = p-(NC)2C6H4, 4,4'-bipyridine). The ESR spectra of paramagnetic I and II showed they contained neutral Mn(I) fragments, in which the d6 Mn stabilized the radical anionic ligands by \textgreek{p}-backbonding. In contrast, neutral, paramagnetic Cp1(CO)2MnR (R = NHC6H4NMe2-4, imidazolo, NHR1; R1 = 4-pyridyl) and Cp5(CO)2Mn(NHC6H4Me-4) (Cp5 = pentamethylcyclopentadienyl), prepd. by oxidative deprotonation of Cp1(CO)2Mn(RH) or Cp5(CO)2Mn(NH2C6H4Me-4), contained low spin Mn(II) and diamagnetic ligands. [on SciFinder(R)]