Table 17.

Trifluoromethylation of sulfur and selenium compounds with Ruppert’s reagent.

X	F−	R	Yield, %	Ref.
Cl	TASFa	H	59	[270]
Cl	TASF	4-Cl	72	[270]
Cl	TASF	4-NO2	69	[270]
Cl	Bu4NF	4-NO2	14	[241]
SPh	Bu4NF	H	32 (43b)	[241]
CN	Bu4NF	H	70 (58b)	[271]
CN	Bu4NF	4-NO2	58	[271]
CN	Bu4NF	2,4-(OMe)2	30	[271]

^aTASF = (Me₂N)₃S⁺ Me₃SiF₂⁻.

^bArSeCF₃.