Table 6.

Reactions of thiophenoxides with CF₃Br under UV irradiation and pressure of reaction gas [179].

R	Solvent	Base	p (atm)	T (°C)	Irradiation time, (h)	Conversion of ArSH, (%)	Isolated yields of ArSCF3 (%)
4-CH3	DMF	Et3N	4–5	10–13	1.5		82
4-NH2	DMF	Et3N	4.5–6	10–20	2		76.4
3-NH2	HMPA	morpholine	3–4	17–19	3.25		63.5a
4-NHCOMe	DMF	Et3N	3.5	19	2.7		69
4-NHCO2Me	DMF	Et3N	4.5–5	15–25	1.2	63	55.5
	HMPA	morpholine	2–5	8–10	2.5	73	83.6
4-Cl	CH3CN	Et3N	3–3.5	15–18	2.8	53	43a
	DMF	Et3N	3–3.5	14	1.2	100	48a
	HMPA	Et3N	4	8–10	1	100	69
	HMPA	morpholine	3–4	14–16	3.5	97	62.5
	HMPA	morpholine	3–4.5	29–30	3	36	46
	Sulfolane	morpholine	3.5	23	2	19.5	5.4
	N-Methyl pyrrolidone	morpholine	3.5	17	2.2	35.5	14.3

^aDetermined by GLC.