98321-11-0Relevant academic research and scientific papers
Photochemistry of Diarylsubstituted 2H-Tetrazoles, XI and Sydnones. V. Flashphotolytic Investigations with 2,5-Diaryl-2H-tetrazoles and 3,4-Diarylsydnones. Absolute Rate Constants of Cycloadditionreactions of Diarylnitrile Imines to Dipolarophils
Leihkauf, P.,Lohse, V.,Csongar, Ch.,Tomaschewski, G.
, p. 789 - 798 (2007/10/02)
The flash photolysis of 2,5-Diaryl-2H-tetrazoles 1 and 3,4-Diarylsydnones 2 was investigated.The nitrile imines were detected spectroscopically as short living intermediates.Rate constants of the cycloaddition reaction of nitrile imines and dipolarophiles
Photochemistry of Diarylsubstituted 2H-Tetrazoles. II. The Influence of the Substituents on the Absorption Properties of Diarylsubstituted Nitrilimines
Csongar, Ch.,Leihkauf, P.,Lohse, V.,Tomaschewski, G.
, p. 96 - 102 (2007/10/02)
Irradation of 2,5-diaryl-2H-tetrazoles in an EPA-glass (ether: i-pentan: ethanol = 5:5:2) or in an i-pentan glass at 77-80 K with UV-light of wavelength 290 nm yields diarylnitrilimines by the extrusion of nitrogen.The photoreactions investigated show spe
