The catalyst is further employed for {HEAD ~ the preparation} of {TAIL ~ aldehydes} by reduction, in the vapor phase, of carboxylic acids, esters and anhydrides 
The catalyst is further employed for { HEAD ~ the preparation } of { TAIL ~ aldehydes } by reduction , in the vapor phase , of carboxylic acids , esters and anhydrides
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH