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