Copper-Catalyzed Oxidative sp3-Carbon Radical Cross-Coupling with Trialkylphosphites Leading to α-Phosphonyl 1,3-Dicarbonyl Compounds
2019
A copper-catalyzed radical Csp3–H/P(OR)3 cross-coupling reaction for the formation of Csp3–P bonds is described. A range of 1,3-dicarbonyl compounds and trialkylphosphites were coupled in this fashion to give the corresponding products in moderate to good yields. This protocol provides direct access to α-phosphonyl 1,3-dicarbonyl compounds.
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