The present invention pertains to a process for preparing a compound of Formula I that is achiral, racemic or enantiomerically enriched at the hydroxylation center indicated by comprising contacting a compound of Formula II with an oxidant selected from oxygen, hydrogen peroxide, peracids or alkyl hydroperoxides in the presence of a zirconium complex, wherein R.sup.1, R.sup.2 and R.sup.3 are as defined in the disclosure. This invention also pertains to zirconium complexes useful in this procedure comprising zirconium and a ligand of Formula III or its enantiomer wherein J, R.sup.6 and n are as defined in the disclosure. This invention further pertains to a compound of Formula III or its enantiomer. ##STR00001##

 
Web www.patentalert.com

< Heat transfer and refrigerant compositions comprising 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene and a fluoroether

> Transparent oxide semiconductor thin film transistor

~ 00456