Novel lithium aluminum hydride reduction pathway. Reactions of 2,3-dihydro-1H-imidazo[1,2-b]pyrazol-2-ones with lithium aluminum hydride. Preparations of 2,3-dihydro-1H-imidazo[1,2-b]pyrazoles and side products
Reactions of azines. 9. Rearrangement of 1-oxo-3,4,8-triaza-2,4,6,7-octatetraenes to 2,3-dihydro-1H-imidazo[1,2-b]pyrazol-2-ones and 4,9-dihydropyrazolo[5,1-b]quinazolines