Synthesis of N,N′-bis and N,N,N′,N′-tetra-[(3,5-di-substituted-1-pyrazolyl)methyl]para-phenylenediamines: new candidate ligands for metal complex wires
作者:Maria Daoudi、Najib Ben Larbi、Abdelali Kerbal、Brahim Bennani、Jean-Pierre Launay、Jacques Bonvoisin、Taibi Ben Hadda、Pierre H. Dixneuf
DOI:10.1016/j.tet.2006.01.034
日期:2006.3
A series of tridentate ligands N,N-bis-[(di-substituted-1-pyrazolyl)methyl]arylamines 2–3a,b and benzylamine 4a,b, tetradentate N,N′-bis-[(di-substituted-1-pyrazolyl)methyl]para-phenylenediamines 7a,b and hexadentate N,N,N′,N′-tetra-[(di-substituted-1-pyrazolyl)methyl]para-phenylenediamines 8a,b has been prepared in good yield by condensation of arylamines, benzylamine or para-phenylenediamine with
Solid-state detection of gases by use of thin films based on pyrazole units, and morphological characterization of the films by AFM
作者:R. Touzani、S. El Kadiri、A. Zerrouki、G. Vasapollo、S. Scorrano、R. Del Sole、M. G. Manera、R. Rella
DOI:10.1007/s11164-012-0541-x
日期:2012.11
Synthesis of a series of heterocyclic compounds based on pyrazole units is reported. The possibility of using these compounds, as solid-state thin layers deposited on quartz substrates, for optical recognition of hazardous pollutant gases was investigated. The gases SO2, NO2, CO, CH4, and NH3 were studied. Two of the ligand layers had reversible sensitivity toward SO2, with good reaction time. The presence of CO, CH4 NO2, and NH3 had no effect on the optical properties. Morphological characterization by use of AFM microscopy was also investigated.