... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 52, Issue 39, 28 September 2011, Pages 5020–5024. Cover image Cover image. ... 4, (i) Acetone, reflux, 5 h, 62, 95–97. (ii) MW irradiation, 3 min, 52, [95–97] 7a. ...