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Reaction of 1, 1-disubstituted hydrazines with derivatives of α, β-unsaturated aids Communication 1. Formation of 1, 1-dimethylpyrazolinium 3-oxides [3-hydroxy-1, -1dimethyl-2-pyrazolinium hydroxide inner salts]

✍ Scribed by N. P. Zapevalova; T. A. Sokolova


Book ID
112420114
Publisher
Springer
Year
1965
Tongue
English
Weight
377 KB
Volume
14
Category
Article
ISSN
1573-9171

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Reaction of cyclic imidates with α,β-uns
✍ Shogo Ihara; Takashi Soma; Daigo Yano; Shunichi Aikawa; Yasuhiko Yoshida 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 106 KB

## Abstract The cycloaddition reaction of cyclic imidates, 2‐benzyl‐5,6‐dihydro‐4__H__‐1,3‐oxazines **1a**, **1b**, **1c**, **1d**, **1e**, **1f**, with dimethyl acetylenedicarboxylate **2**, trimethyl ethylenetricarboxylate **4**, or dimethyl 2‐(methoxymethylene)malonate **6** afforded new fused h