141099-96-9Relevant academic research and scientific papers
FORMATION OF 2,5-DIHYDRO-3H-PYRAZOLOQUINOLIN-3-ONES FROM ETHYL 3-ANILINO-2-(2-tert-BUTYL-2H-TETRAZOL-5-YL)ACRYLATES
Isoda, Sumiro,Kanno, Hideyuki
, p. 273 - 279 (2007/10/02)
Thermal cyclization of ethyl 2-(2-tert-butyl-2H-tetrazol-5-yl)-3-(4-chloroanilino)acrylate (5) did not afford the intended 4-quinolinone derivative (6), but yielded 2,5-dihydro-3H-pyrazoloquinolin-3-one (7).The reaction mechanism is thought to have
