PUMA publications for /tag/pterinhttps://puma.ub.uni-stuttgart.de/tag/pterinPUMA RSS feed for /tag/pterin2024-03-29T17:00:05+01:00- Rhenium(I) coordinated lumazine and pterin derivatives: Structure and spectroelectrochemistry of reversibly reducible (6-ATML)Re(CO)3Cl (6-ATML = 6-acetyl-1,3,7-trimethyllumazine)https://puma.ub.uni-stuttgart.de/bibtex/29d1d5ace9c37acec637aa2fb080e20e3/huebleriachuebleriac2022-06-15T11:26:56+02:00IR acetyltrimethyllumazine carbonyl chloro chloro;ESR chloro;IR chloro;lumazine chloro;rhenium crystal lumazine prepn;pterin prepn;redn prepn;spectroelectrochem pterin rev rhenium spectroelectrochem structure substituted <span data-person-type="author" class="authorEditorList "><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Sonia B. Jimenez-Pulido" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/0"><span itemprop="name">S. Jimenez-Pulido</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Monika Sieger" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/1"><span itemprop="name">M. Sieger</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Axel Knodler" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/2"><span itemprop="name">A. Knodler</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Oliver Heilmann" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/3"><span itemprop="name">O. Heilmann</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Matthias Wanner" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/4"><span itemprop="name">M. Wanner</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Brigitte Schwederski" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/5"><span itemprop="name">B. Schwederski</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Jan Fiedler" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/6"><span itemprop="name">J. Fiedler</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Miguel N. Moreno-Carretero" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/7"><span itemprop="name">M. Moreno-Carretero</span></a></span>, </span> and <span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Wolfgang. Kaim" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/8"><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">Inorganica Chimica Acta</span>, </em> <em><span itemtype="http://schema.org/PublicationVolume" itemscope="itemscope" itemprop="isPartOf"><span itemprop="volumeNumber">325 </span></span>(<span itemprop="issueNumber">1,2</span>):
<span itemprop="pagination">65--72</span></em> </span>(<em><span>2001<meta content="2001" itemprop="datePublished"/></span></em>)</span>Wed Jun 15 11:26:56 CEST 2022Inorganica Chimica Acta1,265--72Rhenium(I) coordinated lumazine and pterin derivatives: Structure and spectroelectrochemistry of reversibly reducible (6-ATML)Re(CO)3Cl (6-ATML = 6-acetyl-1,3,7-trimethyllumazine)3252001IR acetyltrimethyllumazine carbonyl chloro chloro;ESR chloro;IR chloro;lumazine chloro;rhenium crystal lumazine prepn;pterin prepn;redn prepn;spectroelectrochem pterin rev rhenium spectroelectrochem structure substituted A no. of complexes between substituted lumazines (2,4-dioxo-(1H,3H)pteridines) or pterins (2-amino-4-oxo-(3H)pteridines) and Re(CO)3Cl were synthesized and characterized electrochem. and spectroscopically. The structure of the (6-ATML)Re(CO)3Cl deriv. (6-ATML = 6-acetyl-1,3,7-trimethyllumazine) was detd. as [fac-(6-ATML)Re(CO)3Cl]·3C6H6. The Re(I) center coordinates in a rather sym. fashion through the O4-N5 \textgreek{a}-carbonylimino chelate site of 6-ATML; the potentially available acetyl function is not involved in the metal coordination. The acetyl acceptor substituent facilitates the reversible 1-electron redn. of this compd. to a persistent anion radical complex [(6-ATML)Re(CO)3Cl]-, which is accompanied by variable low-frequency shifts of the six carbonyl stretching bands and by the appearance of a broad EPR signal. [on SciFinder(R)]
- Rhenium(I) coordinated lumazine and pterin derivatives: Structure and spectroelectrochemistry of reversibly reducible (6-ATML)Re(CO)3Cl (6-ATML = 6-acetyl-1,3,7-trimethyllumazine)https://puma.ub.uni-stuttgart.de/bibtex/29d1d5ace9c37acec637aa2fb080e20e3/b_schwederskib_schwederski2019-07-15T13:41:23+02:00IR acetyltrimethyllumazine carbonyl chloro chloro;ESR chloro;IR chloro;lumazine chloro;rhenium crystal lumazine prepn;pterin prepn;redn prepn;spectroelectrochem pterin rev rhenium spectroelectrochem structure substituted <span data-person-type="author" class="authorEditorList "><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Sonia B. Jimenez-Pulido" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/0"><span itemprop="name">S. Jimenez-Pulido</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Monika Sieger" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/1"><span itemprop="name">M. Sieger</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Axel Knodler" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/2"><span itemprop="name">A. Knodler</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Oliver Heilmann" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/3"><span itemprop="name">O. Heilmann</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Matthias Wanner" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/4"><span itemprop="name">M. Wanner</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Brigitte Schwederski" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/5"><span itemprop="name">B. Schwederski</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Jan Fiedler" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/6"><span itemprop="name">J. Fiedler</span></a></span>, </span><span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Miguel N. Moreno-Carretero" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/7"><span itemprop="name">M. Moreno-Carretero</span></a></span>, </span> and <span><span itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a title="Wolfgang. Kaim" itemprop="url" href="/person/1820506a28d4855ed047ab29acd380e79/author/8"><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">Inorganica Chimica Acta</span>, </em> <em><span itemtype="http://schema.org/PublicationVolume" itemscope="itemscope" itemprop="isPartOf"><span itemprop="volumeNumber">325 </span></span>(<span itemprop="issueNumber">1,2</span>):
<span itemprop="pagination">65--72</span></em> </span>(<em><span>2001<meta content="2001" itemprop="datePublished"/></span></em>)</span>Mon Jul 15 13:41:23 CEST 2019Inorganica Chimica Acta1,265--72Rhenium(I) coordinated lumazine and pterin derivatives: Structure and spectroelectrochemistry of reversibly reducible (6-ATML)Re(CO)3Cl (6-ATML = 6-acetyl-1,3,7-trimethyllumazine)3252001IR acetyltrimethyllumazine carbonyl chloro chloro;ESR chloro;IR chloro;lumazine chloro;rhenium crystal lumazine prepn;pterin prepn;redn prepn;spectroelectrochem pterin rev rhenium spectroelectrochem structure substituted A no. of complexes between substituted lumazines (2,4-dioxo-(1H,3H)pteridines) or pterins (2-amino-4-oxo-(3H)pteridines) and Re(CO)3Cl were synthesized and characterized electrochem. and spectroscopically. The structure of the (6-ATML)Re(CO)3Cl deriv. (6-ATML = 6-acetyl-1,3,7-trimethyllumazine) was detd. as [fac-(6-ATML)Re(CO)3Cl]·3C6H6. The Re(I) center coordinates in a rather sym. fashion through the O4-N5 \textgreek{a}-carbonylimino chelate site of 6-ATML; the potentially available acetyl function is not involved in the metal coordination. The acetyl acceptor substituent facilitates the reversible 1-electron redn. of this compd. to a persistent anion radical complex [(6-ATML)Re(CO)3Cl]-, which is accompanied by variable low-frequency shifts of the six carbonyl stretching bands and by the appearance of a broad EPR signal. [on SciFinder(R)]