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Beilstein J. Org. Chem. 2021, 17, 1447–1452, doi:10.3762/bjoc.17.100
Graphical Abstract
Scheme 1: Reactions of α-nitroketones with unsaturated pyrazolone and with 4-benzylidenepyrrolidine-2,3-dione....
Scheme 2: Reaction of 4-benzylidenedihydrofuran-2,3-dione (4) with α-nitroketones 2b,c. Reaction conditions: ...
Beilstein J. Org. Chem. 2012, 8, 1374–1384, doi:10.3762/bjoc.8.159
Scheme 1: Triflic acid-catalysed synthesis of cyclic aminals.
Scheme 2: PTSA-catalysed synthesis of cyclic aminals.
Scheme 3: Plausible mechanism for cyclic aminal synthesis.
Scheme 4: Annulation cascade reaction with double nucleophiles.
Scheme 5: Mechanism for the indole-annulation cascade reaction.
Scheme 6: Synthesis of N-alkylpyrroles and δ-hydroxypyrroles.
Scheme 7: Synthesis of N-alkylindoles 9 and N-alkylindolines 10.
Scheme 8: Mechanistic study for the N-alkylpyrrole formation.
Scheme 9: Benzoic acid catalysed decarboxylative redox amination.
Scheme 10: Organocatalytic redox reaction of ortho-(dialkylamino)cinnamaldehydes.
Scheme 11: Mechanism for aminocatalytic redox reaction of ortho-(dialkylamino)cinnamaldehydes.
Scheme 12: Asymmetric synthesis of tetrahydroquinolines having gem-methyl ester groups.
Scheme 13: Asymmetric synthesis of tetrahydroquinolines from chiral substrates 18.
Scheme 14: Organocatalytic biaryl synthesis by Kwong, Lei and co-workers.
Scheme 15: Organocatalytic biaryl synthesis by Shi and co-workers.
Scheme 16: Organocatalytic biaryl synthesis by Hayashi and co-workers.
Scheme 17: Proposed mechanism for organocatalytic biaryl synthesis.