期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 35, 页码 12422-12425出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja103916t
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资金
- National Institutes of Health [GM080337]
- ACS [RSG-09-017-01-CDD]
- NIH (NIGMS) [RO1 GM84906-01]
- Eli Lilly
The tandem cyclopropanation/Cope rearrangement between bicyclic dienes and siloxyvinyldiazoacetate, catalyzed by the dirhodium catalyst Rh-2(R-PTAD)(4), effectively accomplishes enantiodivergent [4 + 3] cycloadditions. The reaction proceeds by a cyclopropanation followed by a Cope rearrangement of the resulting divinylcyclopropane. This methodology was applied to the synthesis of (+)-barekoxide (1) and (-)-barekol (2).
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