申请人:FIRMENICH SA
公开号:US20140243526A1
公开(公告)日:2014-08-28
The present invention relates to processes for the reduction by hydrogenation, using molecular H
2
, of a C
5
-C
20
substrate containing one or two aldehydes functional groups into the corresponding alcohol or diol, characterized in that said process is carried out in the presence of —at least one catalyst or pre-catalyst in the form of a ruthenium complex having a coordination sphere of the N
2
P
2
O
2
, wherein the coordinating atoms N
2
are provided by a first bidentate ligand, the coordinating atoms P
2
are provided by a second bidentate ligand and the coordinating atoms O
2
are provided by two non-linear carboxylate ligands; and —optionally of an acidic additive.
本发明涉及利用分子H2对含有一个或两个醛基官能团的C5-C20底物进行加氢还原的过程,将其转化为相应的醇或二醇,其特征在于所述过程在以下条件下进行:—至少一种催化剂或前驱体存在,其形式为具有N2P2O2配位球的钌配合物,其中配位原子N2由第一双齿配体提供,配位原子P2由第二双齿配体提供,配位原子O2由两个非线性羧酸盐配体提供;和—可选地加入酸性添加剂。