title: Alumina-entrapped Ag catalyzed nitro compounds coupled with alcohols using borrowing hydrogen methodology.
abstract: Supported silver catalysts were reported for the first time to be able to catalyze the coupling reaction between nitroarenes and alcohols via the borrowing hydrogen scheme. The recyclable, non-leaching catalyst is synthesized by the entrapment method, which allows entrapping of silver nanoparticles in an alumina matrix. Alcohols, acting as the reducing agents for nitro-groups, alkylated the resultant amines smoothly over these silver catalysts giving a yield of >98% towards the N-substituted amines. In this process, multiple steps were realized in one-pot over a single catalyst with very high efficiency. It offers another clean and economic way to achieve amination of alcohols.
authors.affiliation: Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543. mdcliuh@nus.edu.sg chmcgk@nus.edu.sg chmsj@nus.edu.sg.
authors.forename: Huihui
authors.initials: H
authors.lastname: Liu
authors.forename: Gaik Khuan
authors.initials: GK
authors.lastname: Chuah
authors.forename: Stephan
authors.initials: S
authors.lastname: Jaenicke
mesh_terms: D000438:Alcohols / Q000737:chemistry*; D000537:Aluminum Oxide / Q000737:chemistry*; D006859:Hydrogen / Q000737:chemistry*; D008422:Materials Testing; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D017672:Nitrogen Compounds / Q000737:chemistry*; D010316:Particle Size; D012834:Silver / Q000737:chemistry*
chemical_list: D000438:Alcohols; D017672:Nitrogen Compounds; D012834:Silver; D006859:Hydrogen; D000537:Aluminum Oxide