| abstract |
A process for the hydrogenation reduction, using molecular H2, of a C3-C70 substrate containing one or two ester or lactone functional groups in the corresponding alcohol or diol, characterized in that it is carried out in the presence of a base and at least a catalyst or pre-catalyst in the form of a ruthenium complex of a tetradentate ligand, wherein the coordination groups consist of at least one amino or imino group and at least one phosphino group. |