: T 1712 (OTTOKEMI) Tri-tert-butyl borate, 98% by GC Cas 7397-43-5 - used in chemical research can be used as An additive in the synthesis of chiral α-hydroxy esters by reacting dimethylzinc with α-ketoesters using (−)-2-exo-morpholinoisobornane-10-thiol