89066-15-9Relevant academic research and scientific papers
Heterocyclic Studies. 48. Multiple Rearrangments of a 9-Methyl-1,9-diazabicyclononadienone
Moore, James A.,Rothenberger, Otis S.,Fultz, William C.,Rheingold, Arnold L.
, p. 1261 - 1265 (2007/10/02)
The pyrazolopyran 5 is obtained by thermal rearrangement of the diazabicyclooctadienone 3; a concerted sigmatropic process is suggested.Treatment of 3 with sodium methoxide in methanol leads to the tetrahydropyridazine 14 and the tetrahydroindazolon
