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Synthesis of indolo[2,3-c]coumarins and indolo[2,3-c]quinolinones via microwave-assisted base-free intramolecular cross dehydrogenative coupling
- Source :
- Tetrahedron. 75:1605-1611
- Publication Year :
- 2019
- Publisher :
- Elsevier BV, 2019.
-
Abstract
- A microwave-assisted base-free intramolecular cross dehydrogenative coupling (CDC) of 3-aniline substituted coumarins and quinolinones have been developed. A broad range of indolo[2,3-c]coumarins and indolo[2,3-c]quinolinones can be easily afforded in good to high yields (up to 93%) under palladium catalysis. The method is among the most straightforward and convenient ways to access these fused polyheterocycles.
Details
- ISSN :
- 00404020
- Volume :
- 75
- Database :
- OpenAIRE
- Journal :
- Tetrahedron
- Accession number :
- edsair.doi...........9712000eb5a09975a8a0cd392df87f89