Levobunolol does realy have benzylic local permanezca.    From Wordnik.com.  [Wii-volution] Reference

P.A.; Groocock, M.R.; Blacker, A.J.; Goode, P.; Dalton, H.: Stereoselective benzylic hydroxylation of 2-substituted indanes using toluene dioxygenase as biocatalyst.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Y.; Hudlicky, T.; Ribbons, D.W.: A study of substrate specificity of toluene dioxygenase in processing aromatic compounds containing benzylic and/or remote chiral centers.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Oxidation of alcohols to aldehydes and ketones Allylic and benzylic alcohols can be oxidized in presence of other alcohols using certain selective oxidants such as manganese dioxide (MnO2).    From Wordnik.com.  [Recently Uploaded Slideshows] Reference