4.6 Article

Indium-catalyzed oxidative cross-dehydrogenative coupling of chromenes with 1,3-dicarbonyls and aryl rings

Journal

ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 13, Issue 20, Pages 5710-5715

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ob00277j

Keywords

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Funding

  1. National Science Foundation of China [21202093, 21472112]
  2. Program for New Century Excellent Talents in University [NCET-13-0346]
  3. Shandong Science Fund for Distinguished Young Scholars [JQ201404]
  4. Young Scientist Foundation Grant of Shandong Province [BS2013YY001]
  5. Fundamental Research Funds of Shandong University [2014JC005]
  6. Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Guangxi Normal University), Ministry of Education of China [CHEMR2014-B11]
  7. Program for Changjiang Scholars and Innovative Research Team in University [IRT13028]

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An effective indium-catalyzed oxidative cross-dehydrogenative coupling of electronically varied chromenes with 1,3-dicarbonyl compounds and aryl rings has been established. Both the C-H alkylation and arylation proceed smoothly at room temperature to afford diverse a-substituted chromene compounds in up to 91% yields. Besides these two types of C-H components, simple ketones like cyclohexanones also prove to be well tolerated.

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