a method wherein {HEAD ~ a solid catalyst} obtained by filtering {TAIL ~ the catalyst slurry} mentioned in is used for the reductive alkylation 
obtained by filtering
a method wherein { HEAD ~ a solid catalyst } obtained by filtering { TAIL ~ the catalyst slurry } mentioned in is used for the reductive alkylation
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH