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Indre Thiel

Synthesis of novel cyclopentadienyl cobalt(I)-complexes and their application in [2+2+2] cycloaddition reactions

Universität Rostock, 2014

https://doi.org/10.18453/rosdok_id00001292

Abstract: This thesis describes the synthesis of cyclopentadienyl (Cp) cobalt(I)-complexes of the type [CpCo(I)L1L2]. Systematic variation of the neutral ligands (L) demonstrated that the use of two different ligands – namely an olefin and a phosphite ligand – proved to be superior to the homoleptic equivalents, providing sufficient activity in catalytic [2+2+2] cycloaddition reactions as well as appropriate stability. Further modifications resulted in air-stable and recyclable catalysts, which could be supported on a solid-phase, representing the first active, supported, CpCo(I)-based catalyst.

doctoral thesis   free access