Photoinduced Redox Cascade Reaction of Isatins and Aliphatic Carboxylic Acids to Access 6-Hydroxyindoloquinazolinones.
Chemistry
; : e202400655, 2024 Jul 03.
Article
em En
| MEDLINE
| ID: mdl-38959118
ABSTRACT
A visible-light-induced cascade reaction is described for the one-pot synthesis of 6-hydroxyindoloquinazolinones using isatins (or isatins and isatoic anhydrides) and aliphatic carboxylic acids. The method provides 36 desired products in 33-96% yield, exhibiting broad substrate scope and good functional group tolerance. This approach utilizes inexpensive and commercially available starting materials, enabling the direct construction of high-value complex structures under mild conditions without the need for photocatalyst, showcasing significant applicability and environmental friendliness.
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MEDLINE
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En
Ano de publicação:
2024
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Article