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Preparation of the Borane (Fmes)BH 2 and its Utilization in the FLP Reduction of Carbon Monoxide and Carbon Dioxide
Author(s) -
Li Jun,
Daniliuc Constantin G.,
Kehr Gerald,
Erker Gerhard
Publication year - 2019
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201901634
Subject(s) - chemistry , borane , carbon monoxide , ethylene , reagent , dimer , hydride , monomer , trifluoromethyl , medicinal chemistry , ligand (biochemistry) , photochemistry , organic chemistry , catalysis , metal , biochemistry , alkyl , receptor , polymer
Treatment of 1,3,5‐tris(trifluoromethyl)benzene with n‐BuLi, followed by H 3 B⋅SMe 2 and subsequent hydride removal gave the (Fmes)BH 2 reagent, which was isolated as a SMe 2 stabilized monomer or a ligand free ( μ ‐H) 2 ‐bridged dimer. Reaction with Mes 2 P(vinyl) gave the respective ethylene‐bridged P/B(Fmes)H FLP. It reduced carbon monoxide to the formyl stage and carbon dioxide to the formaldehyde oxidation state. Most new compounds were characterized by X‐ray diffraction.