Table 5.
Pd-catalyzed C–H trifluoromethylation employing Umemoto’s sulfonium tetrafluoroborate salt [67].
![]() | ||||
| Product | Yield (%)a | Product | Yield (%)a | |
![]() |
86 | ![]() |
0c | |
![]() |
82 | ![]() |
88 | |
![]() |
2-Me 3-Me 4-Me |
84 83 83 |
![]() |
75c |
![]() |
2-OMe 3-OMe 4-OMe |
78 54b 68 |
![]() |
58c |
![]() |
2-Cl 3-Cl 4-Cl |
55c 75c 72c |
![]() |
62c |
![]() |
78b | ![]() |
53c | |
![]() |
87b | ![]() |
74 | |
![]() |
88 | |||
aYields for isolated compounds. b15 mol % of Pd(OAc)2 were used. c20 mol % of Pd(OAc)2 were used.















