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IMINOPHOSPHORANES IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF PYRAZOLO[1,5-a]PYRIMIDINES, IMIDAZO[1,2-b]PYRAZOLE AND PYRAZOLO[1,5-b][1,2,4]TRIAZINE DERIVATIVES VIA INTERMOLECULAR AZA-WITTIG REACTIONS
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IMINOPHOSPHORANES IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF PYRAZOLO[1,5-a]PYRIMIDINES, IMIDAZO[1,2-b]PYRAZOLE AND PYRAZOLO[1,5-b][1,2,4]TRIAZINE DERIVATIVES VIA INTERMOLECULAR AZA-WITTIG REACTIONS

Mohamed Raslan, Mohamed Khalil and Samia Mohamed Sayed
Heterocycles, Vol.87(12), pp.2567-2576
01/12/2013
DOI: https://doi.org/10.3987/COM-13-12848

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
Series of pyrazolo[1,5-a]pyrimidine derivatives, imidazo[1,2-b]pyrazole derivative and pyrazolo[1,5-b][1,2,4]triazine derivatives were obtained by the initial reaction of 5-(triphenylphosphoranylideneamino)-1H-pyrazole derivative with carbonyl compounds and hydrazonyl halides. The newly synthesized compounds were confirmed by spectral and analytical data.

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