Synthesis of aza bicyclic enones via anionic cyclization: Application to the total synthesis of (-)-brunsvigine

Citation
Ck. Sha et al., Synthesis of aza bicyclic enones via anionic cyclization: Application to the total synthesis of (-)-brunsvigine, ORG LETT, 3(14), 2001, pp. 2177-2179
Citations number
30
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
ORGANIC LETTERS
ISSN journal
15237060 → ACNP
Volume
3
Issue
14
Year of publication
2001
Pages
2177 - 2179
Database
ISI
SICI code
1523-7060(20010712)3:14<2177:SOABEV>2.0.ZU;2-B
Abstract
[GRAPHICS] A general approach to the synthesis of aza bicyclic enones was developed vi a a simple two-step annulation involving a Mitsunobu protocol and anionic c yclization. According to this strategy the total synthesis of (-)-brunsvigi ne was accomplished with 12% overall yield.