ChemInform Abstract: Synthesis of Indolizidine and Quinolizidine Derivatives via Intramolecular Cyclization of Alkynyltungsten Compounds with N-Acyliminium Ion.
β Scribed by Heh-Lung Huang; Wen-Hsuan Sung; Rai-Shung Liu
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 34 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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Synthesis of Isoindolo [1,3]benzoxazine Derivatives Through Intramolecular Arylation of N-Acyliminium Ions. -A short pathway leads to the N,O-fused heterocyclic systems (IV) and (VII) starting from the easily available educts (I) and (II). The key steps in these syntheses are the acid-catalyzed cyc