期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2015, 期 16, 页码 3441-3449出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201500177
关键词
Synthesis design; Cyclization; Natural products; Alkaloids; Polycycles
资金
- Lund University
- Tartu University
- Wenner Gren Foundations
Compound 3, a model system for communesin F, was approached by using a Diels-Alder reaction for the introduction of the vicinal quaternary stereocentres. Subsequent introduction of A/B-ring system followed by D/E-ring closure gave hexacyclic system 22. All attempts to reduce this material to give compound 3 were, however, unproductive.
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