Photochemical reactions of bis(η5-cyclopentadienyl)- titanium dichloride
Identifieur interne : 00EF57 ( Main/Exploration ); précédent : 00EF56; suivant : 00EF58Photochemical reactions of bis(η5-cyclopentadienyl)- titanium dichloride
Auteurs : Ed Vitz [États-Unis] ; P. J. Wagner [États-Unis] ; C. H. Brubaker Jr. [États-Unis]Source :
- Journal of Organometallic Chemistry [ 0022-328X ] ; 1976.
English descriptors
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Abstract
Abstract: Irradiation of benzene solutions 10−3 M in both titanocene-d10 dichloride and titanocene dichloride with light of wavelengths 313, 360, 400, and 520 nm leads to the formation of titanocene-d5 dichloride with quantum yields of 0.02, 0.005, 0.01 and 0.007 mol Ei−1, respectively. Photodecomposition of titanocene dichloride is negligible even at much longer photolysis times than those required for isotopic equilibration. Photolysis of benzene solutions 10−2 M in titanocene dichloride and 1.0 M in methanol leads to the formation of cyclopentadienyl(methoxo)titanium dichloride with a quantum yield of about 0.08 mol Ei−1 when the irradiating wavelength is 313 nm.
Url:
DOI: 10.1016/S0022-328X(00)91521-3
Affiliations:
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J." last="Wagner">P. J. Wagner</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Michigan</region></placeName><wicri:cityArea>Department of Chemistry, Michigan State University, East Lansing</wicri:cityArea></affiliation></author><author><name sortKey="Brubaker Jr, C H" sort="Brubaker Jr, C H" uniqKey="Brubaker Jr C" first="C. H." last="Brubaker Jr.">C. H. Brubaker Jr.</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Michigan</region></placeName><wicri:cityArea>Department of Chemistry, Michigan State University, East Lansing</wicri:cityArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Organometallic Chemistry</title><title level="j" type="abbrev">JOM</title><idno type="ISSN">0022-328X</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1976">1976</date><biblScope unit="volume">107</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="301">301</biblScope><biblScope unit="page" to="306">306</biblScope></imprint><idno type="ISSN">0022-328X</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-328X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Absorbance</term><term>Actinometer</term><term>Amer</term><term>Benzene solutions</term><term>Chem</term><term>Cyclopentadienyl ligand</term><term>Dichloride</term><term>Equilibrium value</term><term>Mass spectrum</term><term>Methanol</term><term>Methanol concentration</term><term>Optical absorbance</term><term>Photolysis</term><term>Photomethanolysis</term><term>Quantum yields</term><term>Titanocene</term><term>Titanocene dichloride</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Irradiation of benzene solutions 10−3 M in both titanocene-d10 dichloride and titanocene dichloride with light of wavelengths 313, 360, 400, and 520 nm leads to the formation of titanocene-d5 dichloride with quantum yields of 0.02, 0.005, 0.01 and 0.007 mol Ei−1, respectively. Photodecomposition of titanocene dichloride is negligible even at much longer photolysis times than those required for isotopic equilibration. Photolysis of benzene solutions 10−2 M in titanocene dichloride and 1.0 M in methanol leads to the formation of cyclopentadienyl(methoxo)titanium dichloride with a quantum yield of about 0.08 mol Ei−1 when the irradiating wavelength is 313 nm.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Michigan</li></region></list><tree><country name="États-Unis"><region name="Michigan"><name sortKey="Vitz, Ed" sort="Vitz, Ed" uniqKey="Vitz E" first="Ed" last="Vitz">Ed Vitz</name></region><name sortKey="Brubaker Jr, C H" sort="Brubaker Jr, C H" uniqKey="Brubaker Jr C" first="C. H." last="Brubaker Jr.">C. H. Brubaker Jr.</name><name sortKey="Wagner, P J" sort="Wagner, P J" uniqKey="Wagner P" first="P. J." last="Wagner">P. J. Wagner</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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