The synthesis and characterization of some novel polydentate phosphorus-nitrogen ligands

✍ Scribed by Samuel O. Grim; Luis J. Matienzo

• Publisher: Elsevier Science
• Year: 1973
• Tongue: French
• Weight: 135 KB
• Volume: 14
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)96290-2

✦ Synopsis

Polydentate chelating ligands of the Group V elements, particularly nitrogen, phosphorus, and arsenic in various combinations have been extensively studied over the years because of the multitude of ways in which they can bond to metals and because of the varied stereochemistries which they can impose on metal complexes. 1,2,3 Some very recent reports of new ligands show a continued high interest in this area. 4,5 Ne report here an adaptation of the Mannich reaction using ethylene diamine or N-methyl substituted ethylene diamines with diphenylphosphine which leads to a new class of N-phosphinomethylethylene diamine compounds simply and in high yield.