Über pentacyclische Azofarbstoff‐ Chrom (III)‐und kobalt (III)‐komplexe vom «DREW‐PFITZNER»‐Typus

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Abstract
For the first time pentacyclic azo dyestuff chromium(III) and cobalt(III) complexes with Drew‐Pfitzner configuration have been produced. Comparison of their electronic spectra with those of analogous 1:2 complexes enables novel conclusions as to the shape of the octahedron formed by the metal‐binding atoms.