193151-04-1

Upstream product

• 78564-50-8 1-(2′-azidophenyl)-3,5-dimethylpyrazole 
• 109-89-7 diethylamine 
• 78564-51-9 2-methylpyrazolo[1,5-a]quinoxaline 

Relevant academic research and scientific papers

Reactivity of singlet and triplet arylnitrenes: Temperature-dependent photodecomposition of 1-(2-azidophenyl)-3,5-dimethylpyrazole

At >200 K photolysis of 1-(2-azidophenyl)-3,5-dimethylpyrazole (5) gives 1,3-dimethylpyrazolobenzotriazole (6, by electrophilic cyclization of singlet nitrene 4) or, in the presence of diethylamine, aminoazepine 8 (by addition of the nucleophile and rearr

Photodecomposition of some para-substituted 2-pyrazolylphenyl azides. Substituents affect the phenylnitrene S-T gap more than the barrier to ring expansion

A series of para-substituted (H, Me, Cl, F, CF3, OMe, NMe2) phenyl azides bearing a dimethylpyrazolyl group in position 2 allowing intramolecular trapping of singlet nitrene have been photolyzed at both 295 and 90 K in ethanol. For t