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2000
Volume 22, Issue 10
  • ISSN: 1570-1786
  • E-ISSN: 1875-6255

Abstract

A new method has been developed for the synthesis of pyrano[3,2-] and pyrano[2,3-]carbazole derivatives a three-component reaction of 4-hydroxycarbazole or 2-hydroxycarbazole, aromatic aldehydes, and arylenaminones. This transformation presumably occurs Knoevenagel condensation, Michael addition, -cyclization, elimination, and isomerization sequence of reactions. Noteworthy features of this protocol include easy isolation, good functional group tolerance, and high yields.

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2025-04-30
2025-10-26

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An Efficient One-pot Synthesis of Pyrano[3,2-c]carbazole and Pyrano [2,3-a]carbazole Derivatives
Lett. Org. Chem. 22, 774 (2025); https://doi.org/10.2174/0115701786368691250415064842
/content/journals/loc/10.2174/0115701786368691250415064842
/content/journals/loc/10.2174/0115701786368691250415064842
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  • Article Type:     Research Article
Keyword(s): arylenaminones; Carbazoles; one-pot multicomponent reaction; pyrano[2,3-a]carbazole; pyrano[3,2-c]carbazole; pyranocarbazoles

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