title: Mechanistic studies of CO2 reduction to methanol mediated by an N-heterocyclic germylene hydride.
abstract: The labile germylene hydride L(Cy)GeH is capable of activating CO2 affording the corresponding formate L(Cy)GeOCH([double bond, length as m-dash]O) (2) (L(Cy) = cyclo-C6H8-1-NAr-2-C(Ph)NAr, Ar = 2,6-iPr2C6H3). Compound and the previously reported LGeOCH([double bond, length as m-dash]O) (L = CH(MeC[double bond, length as m-dash]NAr)2, Ar = 2,6-iPr2C6H3) (2) could be further converted to methanol with the AlH3 · NMe3 alane-amine adduct as a hydrogen source upon workup with water. A plausible mechanism for the conversion of the formate complexes to methanol is proposed based on additional results from the conversion of with the milder hydride delivery agent LAlH2.
authors.affiliation: Technische Universität Berlin, Department of Chemistry: Metalorganics and Inorganic Materials, Sekr. C2, Strasse des 17. Juni 135, 10623 Berlin, Germany. Matthias.driess@tu-berlin.de.
authors.forename: Gengwen
authors.initials: G
authors.lastname: Tan
authors.forename: Wenyuan
authors.initials: W
authors.lastname: Wang
authors.forename: Burgert
authors.initials: B
authors.lastname: Blom
authors.forename: Matthias
authors.initials: M
authors.lastname: Driess
mesh_terms: D002245:Carbon Dioxide / Q000737:chemistry*; D005561:Formates / Q000737:chemistry; D005857:Germanium / Q000737:chemistry*; D000432:Methanol / Q000737:chemistry*; D009942:Organometallic Compounds / Q000737:chemistry*; D010084:Oxidation-Reduction
chemical_list: D005561:Formates; D009942:Organometallic Compounds; D005857:Germanium; D002245:Carbon Dioxide; D000432:Methanol