. 2019 Aug 6;10(39):9099–9103. doi: 10.1039/c9sc03175h

Table 1. Screening of reaction conditions ^a .

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^aReaction conditions: 1a (0.2 mmol), catalyst (0.02 mmol), ligand (0.024 mmol) and additive (1.0 equiv.) were stirred in solvent (2.0 mL) at 80 °C under O₂.

^bDetermined by ¹H NMR analysis using 1,1,2,2-tetrachloroethane as the internal standard. The numbers in parentheses are isolated yields.

^cUnder an argon atmosphere.

^dNot detected.

^eThis reaction was carried out under air.

Table 1. Screening of reaction conditions a .

Table 1. Screening of reaction conditions ^a .