1.1: sodium hydrogencarbonate / tetrahydrofuran; methanol; water / 0.5 h / 20 °C 1.2: 2 h / 0 °C 2.1: potassium fluoride supported on Celite / acetonitrile / 0.5 h / Reflux View Scheme
Bloom, Jonathan D.; Dutia, Minu D.; Johnson, Bernard D.; Wissner, Allan; Burns, Michael G.; et al.
Journal of Medicinal Chemistry, 1992 , vol. 35, # 16 p. 3081 - 3084
Davies, Ian W.; Gallagher, Timothy; Lamont, R. Brian; Scopes, David I.C.
Journal of the Chemical Society, Chemical Communications, 1992 , # 4 p. 335 - 337