94692-08-7Relevant academic research and scientific papers
Pyrazoles and pyrazolo[4,3-e]pyrrolo[1,2-a]pyrazines, I. Synthesis and antimicrobial activity
Farghaly, Abdel-Rahman,El-Kashef, Hussein
, p. 217 - 227 (2007/10/03)
The synthesis of the title compounds was achieved using 1-phenyl-5-(pyrrol-1-yl)-1H-pyrazole-3-carboxylic acid azide as starting material. The latter compound was allowed to react with alcohols and amines to afford the corresponding carbamates and urea de
NEW CONDENSED TRI- AND TETRACYCLIC PYRAZOLE RING SYSTEMS
Svetlik, Jan
, p. 2513 - 2516 (2007/10/02)
1-Phenylpyrrazolopyrrolopyrazine and its 5-aza analogue were synthesized from ethyl 5-amino-1-phenylpyrazole-4-carboxylate.Additional azolo ring annelations on the pyrazine part of the first heterocycle afforded new tetracyclic systems with two common nitrogen atoms.
