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Diazabicycloalkanes with nitrogen atoms in the nodal positions. 4. Intramolecular cyclization of N-(β-x-ethyl)-1,2,3,4-tetrahydroquinoxalines and behavior of benzo[b]-1,4-diazabicyclo[2.2.2]octenes in acidic media

✍ Scribed by B. M. Kopriwa; G. M. Levine; N. J. Nadler


Publisher
Springer US
Year
1980
Tongue
English
Weight
739 KB
Volume
16
Category
Article
ISSN
0009-3122

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Diazabicycloalkanes with nitrogen atoms
✍ N. P. Luk'yanchuk; N. I. Sagalaeva; V. K. Soboleva; G. V. Shishkin 📂 Article 📅 1987 🏛 Springer US 🌐 English ⚖ 588 KB

3, 5, isoquinoline (Ilia). A mixture of 2.27 g (i0 mmole) of compound IIa and 0.68 ml (15 mmole) of hydrazine hydrate was boiled in ethanol for 3 h. On cooling, hydrazone IIIa formed a precipitate, which was filtered off, dried, and recrystallized. ## 2-Semicarbazono-3-oxo-5,5-dimethyl-2,3~5,6-te