... Tetrahedron. Volume 61, Issue 3, 17 January 2005, Pages 555–564. Cover image Cover image. ... Reagents and conditions: (i) LiAlH 4 , Et 2 O, (yields, see Table 2); (ii) TFAA, DMSO, Et 3 N, CH 2 Cl 2 (yields, see Table 2); (iii) Bu t OK, DMF, 70–80 °C, hν (yields, see Table 2). ...