Coordination chemistry and biological activity of bidentate and quadridentate nitrogen–sulfur donor ligands and their complexes
✍ Scribed by M. Tofazzal H. Tarafder; A. Manaf Ali; M. Suhaimi Elias; Karen A. Crouse; Sidik Silong
- Book ID
- 110247258
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 95 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0340-4285
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This article describes the synthesis and coordination chemistry of five broad types of ligands containing both phosphorus and sulfur donor centres, reviewing the literature up to the end of 1997. Phosphino thiolate ligands combine a phosphine centre with a thiol functionality (usually deprotonated o
The reaction of 1,2-diamines la-c with Ph3PBr2 in the presence of triethylamine gives rise to the corresponding diphosphonium salts 2a-c in good yields. Treatment of these salts with NaH at room temperature in CH,Cl, affords the diiminophosphoranes 3a-c in near quantitative yields. Derivatives 3a,b