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Metal‐Free Synthesis of Benzophenanthridines from Aromatic Aldehydes, Cyclohexanones, and Aromatic Amines
Comprehensive SummaryA three‐component synthesis of benzo[α]phenanthridines from aromatic aldehydes, cyclohexanones, and aromatic amines has been developed, which is mediated by KI/DMSO/camphorsulfonic acid to afford a variety of functionalized benzo[α]phenanthridines in satisfactory yields. The pre...
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Published in: | Chinese journal of chemistry 2022-02, Vol.40 (3), p.365-370 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | Comprehensive SummaryA three‐component synthesis of benzo[α]phenanthridines from aromatic aldehydes, cyclohexanones, and aromatic amines has been developed, which is mediated by KI/DMSO/camphorsulfonic acid to afford a variety of functionalized benzo[α]phenanthridines in satisfactory yields. The present strategy provides a biaryl motif ortho to the nitrogen atom which has the potential to be used as ligand by further modification. With the advantages of readily available starting materials, transition‐metal‐free conditions, gram‐scale synthesis, and broad substrate scope, this three‐component protocol provides an efficient approach for the preparation of diverse benzo[α]phenanthridines. |
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ISSN: | 1001-604X 1614-7065 |
DOI: | 10.1002/cjoc.202100670 |