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Intermolecular aza-wittig reaction: One-step synthesis of pyrazolo[1,5-a]pyrimidine and imidazo[1,2-b]pyrazole derivatives

✍ Scribed by Magda A. Barsy; Eman A. El-Rady

Publisher
Journal of Heterocyclic Chemistry
Year
2006
Tongue
English
Weight
243 KB
Volume
43
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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Pyrazolo[1,5‐a]pyrimidine and imidazo[1,2‐b]pyrazole derivatives were synthesized via intermolecular aza‐Wittig reaction of 5‐(triphenylphosphoranylideneamino)‐3‐phenylpyrazole 3 derived from 5‐amino‐3‐phenylpyrazole with some selected α‐chloroketones.

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