Linear tetrapyrroles as ligands
作者： Joseph V. Bonfiglio , Raymond Bonnett , Dennis G. Buckley , Dariush Hamzetash , Michael B. Hursthouse
DOI: 10.1016/S0040-4020(01)88700-7
关键词: Paramagnetism 、 Stereochemistry 、 Chemistry 、 Crystal structure 、 Nickel 、 Electronic structure
摘要: The preparation of the difluoroboron(III) complex ( 4 ) octaethyl-21 H ,24 -bilin-1,19-dione is described. X-ray crystal structures are presented for this complex, and corresponding nickel 5 ). Both compounds 1:1 complexes, have Z configuration at all meso bridges. However, anti,syn,anti thus has an open conformation, whereas syn,syn,syn , a helical conformation. Structural features discussed related to electronic structure paramagnetism.
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