Spiropyrans based on nitrogen heterocycles
✍ Scribed by V. P. Martynova; N. E. Shelepin; N. S. Loseva; É. R. Zakhs; L. E. Nivorozhkin; V. I. Minkin; L. S. Éfros
- Book ID
- 112327409
- Publisher
- Springer US
- Year
- 1971
- Tongue
- English
- Weight
- 283 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0009-3122
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📜 SIMILAR VOLUMES
Combining atom transfer carbonylations of bifunctional amines with an appropriate choice of cyclization conditions enables the preparation of nitrogen-containing heterocycles via the incorporation of carbon monoxide. © 2001 Académie des sciences / Éditions scientifiques et médicales Elsevier SAS ato
Allenylamides of Boc-protected a-aminoacids easily gave in basic medium heterocyclic products arising from attack of the NH group on the inside C-C double bond of the 1,2-diene moiety, namely imidazolidinones, pyrazinones, and a pyrrole compound. The microwave-assisted heterocyclization occurred cle