Entry

Catalytic System [a]

T

time

Yield [b]

1

[Rh(COD)2]^{+ $B{F}_4^{-}$} /BINAP5 mol%/6 mol%

80˚C

6 h

0% [c]

2

Cp*RuCl(COD) 10 mol%

80˚C

6 h

0%

3

[RhCl(C₈H₁₄)₂]₂/3BINAP3.5 mol%/10 mol%

40˚C

3 h

84%

4

[RhCl(C₈H₁₄)₂]₂/3BINAP3.5 mol%/10 mol%

25˚C

15 h

56%

5

[RhCl(C₈H₁₄)₂]₂/3BINAP3.5 mol%/10 mol%

80˚C

3 h

95%

6

[RhCl(C₈H₁₄)₂]₂/3BINAP2 mol%/6 mol%

80˚C

6 h

67%

7

[RhCl(C₈H₁₄)₂]₂/Xantphos3.5 mol%/10 mol%

80˚C

6 h

0%

8

[RhCl(C₈H₁₄)₂]₂/dppf3.5 mol%/10 mol%

80˚C

6 h

0%