902140-59-4Relevant academic research and scientific papers
New macrobicyclic triphosphazides and triphosphazenes formed by self-assembly of tripodal triazides with triphosphanes
Alajarín, Mateo,López-Leonardo, Carmen,Berná, José
, p. 6190 - 6202 (2007/10/03)
The self-assembly of tris(3-azidobenzyl)amines with 1,1,1-tris[(diphenylphosphino)methyl]ethane via tripod-tripod coupling proceeds successfully to give chiral macrobicyclic triphosphazides. The heating of these macrobicyclic cages induces a remarkable stepwise triple extrusion of molecular nitrogen to afford tri-λ5-phosphazenes, which preserved the chiral, propeller-like topology of their precursors. The replacement of one benzylic arm by an ortho-phenethylic or propylenic one still allows the success of the self-assembly. However, the quaternization of the pivotal nitrogen atom of the triamine in the form of N-oxide prevented its coupling with the triphosphane.
Design and synthesis of a new macrobicyclic tris(phosphazide)
Alajarin, Mateo,Vidal, Angel,Lopez-Leonardo, Carmen,Berna, Jose,Ramirez De Arellano, M. Carmen
, p. 7807 - 7810 (2007/10/03)
Design, synthesis and full characterization, including X-ray determination, of the first macrobicyclic tris(phosphazide) with two Z and one E PN3 units is described.
