公开(公告)号：EP1654209B1

公开(公告)日：2008-11-12

申请号：EP04740380.3

申请日：2004-06-28

申请人： Unilever PLC ,  Unilever N.V.

发明人： BHAT, Ramachandra ,  DHANUKA, Vinodkumar, Ramniranjan ,  HARICHIAN, Bijan Unilever R & D Edgewater

IPC分类号： C07C37/00 ,  C07C39/08

CPC分类号： C07C37/002 ,  C07C39/08

公开(公告)号：EP1654209A1

公开(公告)日：2006-05-10

申请号：EP04740380.3

申请日：2004-06-28

申请人： UNILEVER PLC ,  UNILEVER N.V.

发明人： BHAT, Ramachandra ,  DHANUKA, Vinodkumar, Ramniranjan ,  HARICHIAN, Bijan Unilever R & D Edgewater

IPC分类号： C07C37/00 ,  C07C39/08

CPC分类号： C07C37/002 ,  C07C39/08

摘要： A process for the preparation of a compound of formula (I) wherein R is a hydrogen or a C1-6 alkyl group which is straight chain, branched or cyclic, with or without an oxygen, nitrogen or sulphur heteroatom anywhere in the chain or ring by reacting a compound of formula (II) with a source of hydrogen selected from either hydrogen or water in the presence of a mixture of at least two catalysts selected from nickel, raney nickel, and palladium, at a pH below 7.0 in a solvent medium comprising an alcohol having a carbon chain length of up to 3.