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Photoreaction of silyliron(II) complex Cp*Fe(CO)(2)SiMe(3) (Cp*=eta(5)-C(5)Me(5)) in the presence of p-tolylgermane

被引：13
作者：
ElMaradny, A [1 ]
Tobita, H [1 ]
Ogino, H [1 ]
机构：
[1] TOHOKU UNIV,GRAD SCH SCI,DEPT CHEM,SENDAI,MIYAGI 98077,JAPAN
来源：
ORGANOMETALLICS | 1996年 / 15卷 / 23期
关键词：
D O I：
10.1021/om960504z
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Photolysis of Cp(*)Fe(CO)(2)SiMe(3) (3) in the presence of p-TolGeH(3) (4) gave a mixture of cia and trans mono(germylene)-bridged diiron complexes, Cp*Fe-2(2)(CO)(2)(mu-CO)(mu-Gep-TolH) (cis-5, trans-5), a mixture of two kinds of trans bis(germylene)-bridged diiron complexes, Cp*Fe-2(2)(CO)(2)(mu-Gep-TolH)(2) (syn-trans-6, anti-trans-6), and a complex with two Fe ... H ... Gs 3-center 2-electron bonds, Cp*Fe-2(2)(CO)(2)(mu-Gep-TolH(2))(2) (7). A cis isomer of complex 6 (syn-cis(H)-6)) was formed as the sole product by the thermolysis of complex 7, Photolysis of 7 or syn-cis(H)-6 resulted in the conversion to a mixture of syn-trans-6 and anti-trans-6, Reversible thermal and photochemical interconversion between cis and trans isomers of complex 5 was observed. The molar ratio of the cis and trans isomers of complex 5 in C6D6 was 7:93 at thermal equilibrium at 55 degrees C and 84:16 at the photostationary state at 6 degrees C.
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页码：4954 / 4958
页数：5
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