From Esters to Alcohols and Back with Ruthenium and Osmium CatalystsReplacing Phosphorus with Sulfur for the Efficient Hydrogenation of EstersRuthenium complexes of tetradentate bipyridine ligands: highly efficient catalysts for the hydrogenation of carboxylic esters and lactonesUnprecedented Iron-Catalyzed Ester Hydrogenation. Mild, Selective, and Efficient Hydrogenation of Trifluoroacetic Esters to Alcohols Catalyzed by an Iron Pincer ComplexHighly Efficient Tetradentate Ruthenium Catalyst for Ester Reduction: Especially for Hydrogenation of Fatty Acid EstersCobalt-Catalyzed Hydrogenation of Esters to Alcohols: Unexpected Reactivity Trend Indicates Ester Enolate IntermediacyHydrogenation of Esters to Alcohols with a Well-Defined Iron ComplexHydrogenation of carboxylic acids with a homogeneous cobalt catalystHydrogenation of Esters to Alcohols Catalyzed by Defined Manganese Pincer ComplexesManganese-Catalyzed Hydrogenation of Esters to AlcoholsNon-Pincer-Type Manganese Complexes as Efficient Catalysts for the Hydrogenation of EstersCobalt Pincer Complexes for Catalytic Reduction of Carboxylic Acid EstersNon-Pincer-Type Manganese Complexes as Efficient Catalysts for the Hydrogenation of Esters