1-(2, 3-Epoxypropyl)-1-cyclohexanol (1) and its methyl analogues (2 and 3), when treated with base in 75% aqueous dimethyl sulfoxide, gave the corresponding oxetanes (9–11) as the main products, while treatment of compound 1 under anhydrous conditions afforded the oxolane dimer (17) as the sole identified product.
[Masamune, Tadashi; Sato, Shingo; Abiko, Atsushi; Ono, Mitsunori; Murai, Akio Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 10 p. 2895 - 2904]