Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Zirconium (IV) oxide coated on the surface of silica gel was used to absorb Cr(VI) from acidic solutions. This material, in conjunction with t-butyl hydroperoxide, proved to be very useful for allylic oxidations, promoting very clean reactions, with high regioselectivity.
