... Tetrahedron Letters. Volume 30, Issue 46, 1989, Pages 6413–6416. Cover image Cover image. The diethylisopropylsilyl group: A new protecting group for alcohols. ... 127–138. 3); (a) K. Toshima, K. Tatsuta, M. Kinoshita; Tetrahedron Lett., 27 (1986), p. 4741. ...