An Efficient One-Pot Three-Component Synthesis of Fused 1,4-Dihydropyridines Using HY-Zeolit
β Scribed by Nikpassand, Mohammad; Mamaghani, Manouchehr; Tabatabaeian, Khalil
- Book ID
- 121214220
- Publisher
- Molecular Diversity Preservation International
- Year
- 2009
- Tongue
- English
- Weight
- 113 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1420-3049
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## Abstract The first oneβpot synthesis of pyridazinones and phthalazinones from arenes, cyclic anhydrides, and ArNHNH~2~ in the presence of efficient recyclable heterogeneous catalyst, HYβzeolite, in high yield and short reaction time is reported. J. Heterocyclic Chem., (2011).
## Abstract An efficient approach to 1,4βdihydropyridines containing novel substituted pyrazole is achieved via threeβcomponent reaction of pyrazolyl aldehyde, __Ξ²__βketoester, and ammonium acetate in oneβpot under sulfamic acid catalysis.