Journal
TETRAHEDRON
Volume 75, Issue 12, Pages 1605-1611Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2018.11.066
Keywords
Indolo[2,3-c]coumarin; Indolo[2,3-c]quinolinone; Palladium; Cross dehydrogenative coupling; Microwave-assisted synthesis; Fused polyheterocycles
Categories
Funding
- National Natural Science Foundation of China [21472205, 81521005, 21325209]
- Shanghai Municipal Committee of Science and Technology [18ZR1447600]
- SA-SIBS Scholarship Program
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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. (C) 2018 Elsevier Ltd. All rights reserved.
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