Solution Phase Synthesis of Imidazo[1,2-b]pyrazol-2-one, an Interesting 5,5-Fused Heterocyclic Ring System.
β Scribed by Benjamin E. Blass; Anil Srivastava; Keith R. Coburn; Amy L. Faulkner; John J. Janusz; James M. Ridgeway; William L. Seibel
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 112 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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## Abstract magnified image Pyrazolo[1,5β__a__]pyrimidine and imidazo[1,2β__b__]pyrazole derivatives were synthesized __via__ intermolecular azaβWittig reaction of 5β(triphenylphosphoranylideneamino)β3βphenylpyrazole **3** derived from 5βaminoβ3βphenylpyrazole with some selected Ξ±βchloroketones.