220663-00-3Relevant articles and documents
Direct functionalization of 4,5-dichloropyridazin-6-one
Chung, Hyun-A,Kweon, Deok-Heon,Kang, Young-Jin,Park, Jung-won,Yoon, Yong-Jin
, p. 905 - 910 (2007/10/03)
Direct functionalization of 4,5-dichloropyridazin-6-one with some nucleophiles in seven solvents gave regioselectively 5-halo- 4-substituted-pyridazin-6-ones as main product. Reaction of 4,5- dichloropyridazin-6-one with 2-mercaptopyrimidine (2 equivalents) also afforded 4,5-di(pyrimidin-2-ylsulfanyl)pyridazin-6-one as the main product.