公开(公告)号：DE50105413D1

公开(公告)日：2005-03-31

申请号：DE50105413

申请日：2001-11-30

Applicant: BASF AG

Inventor： FUNKE DR ,  LIANG DR ,  KRAMER DR ,  STUERMER DR ,  HOEHN DR

IPC: C07B55/00 ,  C07B61/00 ,  C07C209/68 ,  C07C209/88 ,  C07C211/03 ,  C07C209/00 ,  C07C213/00 ,  C07C213/02 ,  C07C217/08

Abstract: Racemization of optically active amines (I) comprises reaction at elevated temperature in the presence of hydrogen and a supported copper and zinc oxide catalyst. Racemization of optically active amines of formula (I) comprises reaction at elevated temperature in the presence of hydrogen and a supported copper and zinc oxide catalyst. R , R = alkyl, cycloalkyl, aralkyl, aryl, heteroaryl or heterocyclyl; all optionally substituted by alkyl, cycloalkyl, alkoxy, aryloxy, amino, alkylamino or dialkylamino, provided that R and R are different; and R = H or a group as defined for R and R .

公开(公告)号：DE50107024D1

公开(公告)日：2005-09-15

申请号：DE50107024

申请日：2001-10-24

Applicant: BASF AG

Inventor： LIANG DR ,  FUNKE DR ,  HOEHN DR

IPC: C07B61/00 ,  C07C209/14 ,  C07C209/26 ,  C07C211/29

公开(公告)号：DE59905262D1

公开(公告)日：2003-06-05

申请号：DE59905262

申请日：1999-02-13

Applicant: BASF AG

Inventor： MERGER DR ,  LIANG DR ,  FISCHER DR ,  WULFF-DOERING DR

IPC: B01J21/06 ,  C07C29/149 ,  C07C31/02 ,  C07C31/13

Abstract: In the production of alcohols by gas phase hydrogenation of carboxylic acids or esters at elevated temperature and pressure in the presence of catalysts containing or consisting of group IV oxide(s) as hydrogenation-active constituent, hydrogenation is carried out (a) at 250-400 degrees C and 5-100 bar in the presence of (b) primary or secondary alcohols, using a hydrogen to alcohol molecular ratio ≤ 800.