期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2014, 期 19, 页码 4083-4088出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201402165
关键词
Cycloaddition; Michael addition; Cross-coupling; Natural products; Terpenoids
资金
- Deutsche Forschungsgemeinschaft (DFG) [ME 776/20-1]
Using a highly diastereoselective intramolecular acrylate [4+2] cycloaddition as the key step, a short route from 3-furaldehyde to a bicyclic building block for the synthesis of neoclerodane diterpenes was developed. A first attempt featuring a conjugate methylation of a dienyl lactone failed, but a streamlined sequence using an all-encompassing intramolecular Diels-Alder reaction of a sterically congested 1,3-diene was successful.
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