... Tetrahedron Letters. Volume 52, Issue 52, 28 December 2011, Pages 7199–7201. Cover image Cover image. ... 8, 1h, NO 2, 28, —, 0. a Irradiation of 1g in CH 3 OH/H 2 O (19:1) with 0.09 M KOH for 3 h resulted in a reaction with 76% conversion and 52% yield. ...