ydro gen ation ▁ ▁The ▁high ▁en ant io - ▁and ▁reg io control ▁afford ed ▁by ▁ph osph ino ox az oline ▁lig ands ▁has ▁fuel led ▁research ▁into ▁their ▁use ▁for ▁asym metric ▁hydro gen ation . ▁I rid ium ▁complex es ▁incorpor ating ▁ph osph ino ox az oline ▁lig ands ▁have ▁been ▁shown ▁to ▁be ▁effective ▁for ▁' class ic ' ▁hydro gen ation ▁using ▁H 2 , ▁with ▁r uth enium ▁and ▁p all ad ium ▁catal yst s ▁having ▁also ▁been ▁investig ated ▁for ▁transfer ▁hydro gen ation . ▁In ▁addition ▁to ▁theoretical ▁studies , ▁the ▁struct ural ▁and ▁kin etic ▁properties ▁of ▁Ir - P HO X ▁complex es ▁have ▁been ▁investig ated ▁to ▁better ▁understand ▁their ▁behaviour ▁as ▁hydro gen ation ▁catal yst s . ▁ ▁See ▁also ▁Other ▁ox az oline ▁based ▁lig ands ▁ ▁( S )- i Pr - P HO X ▁- ▁A ▁specific ▁P HO X ▁lig and ▁ ▁Bis ox az ol ines ▁( BO X ) ▁ ▁Tr is ox az ol ines ▁( TR ISO X ) ▁Struct ur ally ▁related ▁lig ands ▁ ▁Tro st ▁lig and ▁ ▁Di phen yl - 2 - py rid yl ph osph ine ▁ ▁References ▁ ▁Category : C atal ysis ▁Category : Co ord ination ▁chem istry ▁Category : L ig ands ▁Category : O x az ol ines ▁Category : Ph osph ines <0x0A> </s> ▁The ▁Pal azzo ▁P ep oli ▁Camp og ran de , ▁also