A silicon mediated intramolecular 1,4-conjugate addition of a homoallylic carbon nucleophile leading to cyclopropanation is reported. Specifically, treatment of 6-trimethylsilyl-5,6-dihydroazocinones with fluoride gives 4-azabicyclo(5.1.0)octenones, presenting an unusual extension to the repertoire of silyl group reactivity.
The article was received on 24 Oct 2012, accepted on 20 Nov 2012 and first published on 21 Nov 2012
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