Reactions of 6-aryl-5-benzoyl-4-dichloromethyl-4-hydroxy-hexahydropyrimidin-2-ones with hydrazine hydrate: A new simple and efficient route to 4-aryl-5-phenyl-3,4-dihydropyrimido[4,5- d]pyridazin-2(1 H)-ones
作者:V. A. Mamedov、L. V. Mustakimova、S. V. Vdovina、A. T. Gubaidullin、I. A. Litvinov
DOI:10.1007/s11172-009-0270-5
日期:2009.9
Cyclocondensation of 5-aroyl-4-dichloromethyl-4-hydroxy-6-phenylperhydropyrimidin-2-ones with 85% hydrazinehydrate in boiling toluene afforded pyrimido[4,5- d]pyridazines.