1. An expedient synthesis of 2,5-disubstituted-3-oxygenated tetrahydrofurans
Caroline L. Nesbitt and Christopher S.P. McErlean
Tetrahedron Letters
Volume 50, Issue 46, 18 November 2009, Pages 6318-6320
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http://dx.doi.org/10.1016/j.tetlet.2009.08.114 2. Synthesis of the first C2-asymmetric phosphinine and its pyrylium precursor
Jason R. Bell, Andreas Franken and Charles M. Garner
Tetrahedron
Volume 65, Issue 45, 7 November 2009, Pages 9368-9372
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http://dx.doi.org/10.1016/j.tet.2009.08.085