... Tetrahedron Letters. ... Tetrahedron, 56 (2000), pp. ... at room temperature, and it becomes even larger at higher temperatures, see: M. Grayson, D. Eckroth, GJ Bushey, L. Campbell, A. Klingsberg, L. van Nes (Eds.), Kirk-Othmer Encyclopedia of Chemical Technology (3rd ed.), Vol. ...