摘要 |
The present invention relates to a complex comprising a novel and stable ligand and a metal center. The ligand contains a ring, particularly a phenyl group, or a hydrocarbon group which links an amino group and PR<SUP>1</SUP>R<SUP>2</SUP>, NR<SUP>1</SUP>R<SUP>2</SUP>, OR<SUP>1</SUP>, SR<SUP>1</SUP>, or AsR<SUP>1</SUP>R<SUP>2 </SUP>group such that the structure of the ligand can be stabilized.
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