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Sparsely substituted chlorins as core constructs in chlorophyll analogue chemistry. I. Synthesis
Authors:Ptaszek Marcin  McDowell Brian E  Taniguchi Masahiko  Kim Han-Je  Lindsey Jonathan S
Institution:Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA
Abstract:Five routes to stable chlorins bearing 0 or 1 meso substituents have been investigated, among which reaction of a 9-bromo-1-formyldipyrromethane and 2,3,4,5-tetrahydro-1,3,3-trimethyldipyrrin proved most effective. Application of this route afforded metallochlorins Cu(II), Zn(II), and Pd(II)] including the chlorin lacking any β-pyrrole and meso substituents.
Keywords:Chlorin  Hydroporphyrin  Hydrodipyrrin  Dipyrromethane
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