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Paper | Special issue | Vol 74, No. 1, 2007, pp.855-862
Published online, 4th December, 2007
DOI: 10.3987/COM-07-S(W)79
Synthesis of the Cyclobutane Moiety of Providencin

Tanja Gaich, Vladimir Arion, and Johann Mulzer*

*Institute of Organic Chemistry, University of Vienna, Währingerstraße 38, A-1090 Vienna, Austria

Abstract

A short and stereoselective synthesis of the protected cyclobutane diol moiety of the natural compound providencin is reported. Key step is the chemo- and stereoselective hydroboration of the silyl-enol ether obtained from commercially available bicyclo[3.2.0]hept-6-en-2-one.