期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 24, 期 10, 页码 2375-2378出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201800019
关键词
cycloadditions; cycloisomerization; macrocycles; polycyclic; transannular
资金
- Research Grants Council of Hong Kong [GRF HKU 7016/12P]
- State Key Laboratory of Synthetic Chemistry
- University of Hong Kong
Transannular [4+3] cycloadditions of dienophiles derived from macrocyclic epoxy ketones produce fused ring systems having central cycloheptane subunits. In some cases, the base directly induced cycloisomerization of the epoxy ketones to yield the cycloadducts; in others, the epoxy ketones were transformed into their corresponding enolsilanes before undergoing cycloaddition. Enantiomerically enriched tricyclic arrays were obtained from cycloadditions starting from optically pure epoxy ketones.
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