70529-47-4Relevant articles and documents
Obtention selective d'hydroxy-4 pyridazinones-3 et de pyridazones-3. Etude des modalites de la cyclocondensation des acides β-acyl lactiques avec l'hydrazine
Maghioros, G.,Schlewer, G.,Wermuth, C. G.
, p. 865 - 870 (2007/10/02)
The authors reinvestigate the cyclocondensation reaction of β-acyl lactic acids with hydrazine and propose operating conditions allowing a selective and quantitative access either to 4-hydroxypyridazin-3 ones or, directly, to the corresponding pyridazin-3- ones.