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A Capping Methodology for the Synthesis of Lower μ-Oxo-phthalocyaninato Silicon Oligomers

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posted on 30.11.2005, 00:00 by Andrew N. Cammidge, Fabien Nekelson, Madeleine Helliwell, Martin J. Heeney, Michael J. Cook
A mixed condensation of a substituted and unsubstituted silicon phthalocyanine monomer, in which the former serves as a “cap” to a growing oligomeric chain, provides unprecedented access to a mixed dimer, trimers, and a tetramer. An important element of product control can be achieved by changing the ratio of the precursor monomers.