公开(公告)号：AT419060T

公开(公告)日：2009-01-15

申请号：AT02019883

申请日：2002-09-10

Applicant: BASF SE

Inventor： SCHAEFER MARTIN ,  BOETTCHER ARND ,  KRAMER ANDREAS ,  HOEHN ARTHUR ,  KACZMAREK REINHARD ,  HENKES ERHARD

IPC: B01J23/42 ,  B01J23/44 ,  B01J23/63 ,  C07B61/00 ,  C07D207/32 ,  C07D207/323 ,  C07D213/06 ,  C07D213/133 ,  C07D213/16

Abstract: Production of pyrroles (I) or pyridines (III), comprises dehydrogenating the corresponding pyrrolidines (II) or piperidines (IV) in the presence of a supported noble metal catalyst comprises performing the reaction in the presence of 1-50 wt.% water. Production of pyrroles of formula (I) or pyridines of formula (III), comprises dehydrogenating the corresponding pyrrolidines of formula (II) or piperidines of formula (IV) in the presence of a supported noble metal catalyst comprises performing the reaction in the presence of 1-50 wt.% water. R -R = H or 1-6C aliphatic group.