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ORGANIC LETTERS
卷 12, 期 16, 页码 3598-3601出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol101136a
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资金
- ACS [5001009]
- Boston College
- LaMattina Graduate Fellowship
- NSF [DBI-0619576]
Divergent reactivity is uncovered in the homologation of arylcyclobutanones with trimethylsilyldiazomethane. With Sc(OTf)(3) as catalyst, enolsilanes are obtained with a high preference for methylene migration. By contrast, Sc(hfac)(3) gives beta-ketosilanes with both regio- and diastereocontrol. Each adduct affords the cyclopentanone upon hydrolysis.
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