Tetrahedron Letters,Vol.26,No.36,pp 4341 ... Abstract: SequentiuZ reactions of 2-chZoro- or 2-bromo-3-tert-butyloxirane with p-chloropheno- 2ate nnd tken uitk sodiwn triasolate Zead in two stereocontro2led ste.ps to tkreo-Triadimenol; by inverse addition of the tuo nucleophiles ...