Gold-catalyzed ring expansions of 1-alkynylcyclobutanol derivatives via tandem hydration and α-ketol rearrangement

Ki-Dae Kim, Hyun-Suk Yeom, Sunwoong Shin, Seunghoon Shin

Tetrahedron

Volume 68, Issue 26, 1 July 2012, Pages 5241–5247

http://dx.doi.org/10.1016/j.tet.2012.03.018