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A manganese tris quinone oximato pair revealing new structures and magnetic properties in Mn III,II chemistry

1992; Royal Society of Chemistry; Issue: 11 Linguagem: Inglês

10.1039/c39920000809

2050-5639

Partha Basu, Animesh Chakravorty,

Bioactive Compounds and Antitumor Agents

The synthesis and isomerism of the first tris-chelated low-spin MnIII(1a) and MnII(1b) pair of complexes [MnL3]0,–, of the 4-chloro-o-benzoquinone oxime ligand HL is described; MnL3 has strong preference for mer-geometry but mer- and fac-isomers coexist in solution as well as in the crystal lattice of the [Et4N]+ salt of [MnL3]–.