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Synthesis of Quinoxalin-2-ones Linked to Pyrazolines and Pyrazoles.

✍ Scribed by S. Ferfra; N. H. Ahabchane; B. Garrigues; E. M. Essassi


Book ID
101963571
Publisher
John Wiley and Sons
Year
2004
Weight
97 KB
Volume
35
Category
Article
ISSN
0931-7597

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Synthesis and conversion of 2-(pyrazol-1
✍ Ho Sik Kim; Sam Tag Kwag; Kyung Ok Choi; Yoshihisa Okamoto; Shinnosuke Kajiwara; 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 339 KB

## Abstract The reaction of 6‐chloro‐2‐hydrazinoquinoxaline 4‐oxide **1b** with acetylacetone or benzoylacetone gave 6‐chloro‐2‐(3,5‐dimethylpyrazol‐i‐yl)quinoxaline 4‐oxide **5a** or 6‐chloro‐2‐(3‐methyl‐5‐phenylpyrazol‐1‐yl)quinoxaline 4‐oxide **5b**, respXectively. Compound **5a** or **5b** was