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Beilstein J. Org. Chem. 2023, 19, 1966–1981, doi:10.3762/bjoc.19.147
Graphical Abstract
Figure 1: Comparison of the hydration reactions of different alkynes in BMIm-BF4 catalysed by BF3·Et2O (blue)...
Scheme 1: Anodic oxidation of tetrafluoroborate anion.
Beilstein J. Org. Chem. 2022, 18, 979–990, doi:10.3762/bjoc.18.98
Scheme 1: Electrochemical generation of NHC.
Scheme 2: Transformation of electrochemically generated NHC into the corresponding thione by its reaction wit...
Scheme 3: Umpolung of the aldehyde carbonyl carbon atom. Formation of the Breslow intermediate using NHCs.
Figure 1: Schematic representation of a plane-parallel plate flow electrochemical reactor.
Figure 2: C/PVDF anode before (A) and after (B) the first experiment (Table 1, entry 1).
Scheme 4: Electrogenerated NHC-catalyzed self-annulation of cinnamaldehyde.
Scheme 5: Byproduct obtained from the reaction between methanol and the Breslow intermediate.
Figure 3: Expanded view of the electrochemical cell components: (a) Aluminium end plates; (b) insulating PTFE...
Beilstein J. Org. Chem. 2018, 14, 891–899, doi:10.3762/bjoc.14.76
Scheme 1: The Corey–Fuchs reaction.
Scheme 2: Electrochemical reduction of a carbon–halogen bond.
Scheme 3: Electrochemical synthesis of vinyl bromides [25].
Scheme 4: Scope of this work.
Figure 1: Voltammetric curves of 1a 0.020 mol dm−3; Pt, glassy carbon (GC) or Ag cathode. ν = 0.2 V s−1, T = ...
Scheme 5: Possible products from the electrolysis of 2-(2,2-dibromovinyl)naphthalene (1a).
Figure 2: Variation of the amounts of 1a, 2a, and 3a with the number of Faradays of 1a.
Scheme 6: Mechanistic hypothesis for the synthesis of alkyne 2a and bromoalkyne 3a from 2-(2,2-dibromovinyl)n...
Scheme 7: Possible reaction using NaClO4 as supporting electrolyte.
Scheme 8: Electrochemical synthesis of 9-ethyl-3-ethynyl-9H-carbazole (2b).
Scheme 9: Electrochemical synthesis of 1-ethynyl-4-methoxybenzene (2c).