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Beilstein J. Org. Chem. 2022, 18, 796–808, doi:10.3762/bjoc.18.80
Graphical Abstract
Scheme 1: Construction of diverse tetrahydrocarbazoles via Levy-type reaction.
Scheme 2: Synthesis of spiro[carbazole-3,3'-inolines]. Reaction conditions: 2-methylindole (0.5 mmol), aromat...
Scheme 3: Synthesis of spiro[carbazole-2,3'-indolines]. Reaction conditions: 2-methylindole (0.5 mmol), aroma...
Scheme 4: Synthesis of tetrahydrospiro[carbazole-3,5'-pyrimidines]. Reaction conditions: 2-methylindole (0.5 ...
Scheme 5: Synthesis of tetrahydrospiro[carbazole-3,1'-cycloalkane]-diones. Reaction conditions: 2-methylindol...
Scheme 6: Synthesis of 3,3'-(arylmethylene)bis(2-methyl-1H-indole). Reaction conditions: 2-methylindole (1.0 ...
Scheme 7: Proposed reaction mechanism for the multicomponent reaction.
Beilstein J. Org. Chem. 2021, 17, 2425–2432, doi:10.3762/bjoc.17.159
Figure 1: Representative bioactive carbazole derivatives.
Scheme 1: Synthesis of tetrahydropyrrolo[3,4-c]carbazoles 3a and 3b.
Figure 2: Single crystal structure of the isomer 3a.
Figure 3: Single crystal structure of the isomer 3b.
Figure 4: Single crystal structure of the isomer 4g.
Scheme 2: Proposed domino reaction mechanism for the formation of carbazoles 6.