Reaktive π-Komplexe der elektronenreichen Übergangsmetalle
作者： A. Funhoff , H. Schäufele , U. Zenneck
DOI: 10.1016/0022-328X(88)80097-4
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摘要: Abstract The reactive τ-arene complexes bis(ethene)toluene)iron, (toluene)(1-methylnaphthalene)iron, and bis(tolueneiron)cyclooctatetraene are catalysts for the cyclotrimerization of alkynes RCCR′ (R,R′ = H, CH3, C2H5, t-C4H9, C6H5, COOCH3) to benzene derivatives. When R R′ Si(CH3)3, CH2OH or COOH reaction fails. In case bis(ethene)(toluene)iron acetylenedicarbonic acid dimethylester a [2 + 2 2]cycloaddition two one ethene takes place. primary products catalytic were trapped with trialkylphosphite, type tris(trialkylphosphite)(alkynene)iron tris[bis(trimethylsilyl)acetylene]bis(trimethylphosphite)diiron, become readily accessible.
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