First synthesis of 4,5-dihydro-3(2H)-pyridazinones via Zn-mediated hydrohydrazination
摘要:
The hydrohydrazination of 4-pentynoic acid with different arylhydrazines proceeds smoothly in the presence of zinc chloride. The domino amination-amiclation sequence leads to aryl-substituted 4,5-dihydro-3(2H)-pyridazinones. (c) 2008 Elsevier Ltd. All rights reserved.
The hydrohydrazination of 4-pentynoic acid with different arylhydrazines proceeds smoothly in the presence of zinc chloride. The domino amination-amiclation sequence leads to aryl-substituted 4,5-dihydro-3(2H)-pyridazinones. (c) 2008 Elsevier Ltd. All rights reserved.