Entry

Oxidant(eq)

[NH4⁺]

Solvent (volumeratio)

Temperature /℃

Time /h

Yield^b(%)

1

AgOAc (2)

NH₄PF₆

HFIP

130

12

Trace

2

AgOAc (2)

NH₄PF₆

DCE

130

12

0

3

AgOAc (2)

NH₄PF₆

CH₃CN

130

12

21

4

AgOAc (2)

NH₄PF₆

HFIP/CH₃CN (1:1)

130

12

70

5

AgOAc (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

93

6

AgOAc (2)

NH₄PF₆

HFIP/t-BuOH ( 1:5 )

130

12

21

7

AgOAc (2)

NH₄PF₆

PrCN/CH₃CN ( 1:5 )

130

12

24

8

AgOAc (2)

NH₄OAc

HFIP/CH₃CN (1:5)

130

12

51

9

AgOAc (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

110

12

84

10

AgOAc (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

90

12

76

11

AgOAc (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

8

81

12

Ag₂O (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

48

13

Ag₂CO₃ (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

Trace

14

AgNO₃(2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

12

15

H₂O₂(2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

59

16

K₂S₂O₈(2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

53

17

V(oacac)₅ (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

17

18

Mn(OAc)₂∙2H₂O (2)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

50

19

AgOAc (1.5)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

53

20

AgOAc (3)

NH₄PF₆

HFIP/CH₃CN (1:5)

130

12

69