Table 2.

Silver-mediated fluorination of functionalized alkenylstannanes.

entry	R1	R2	yield (step 2, %)
1	iBu	Cbz	77
2	iBu	P(O)(OPh)2	84
3	iBu	t-BuSO2	81
4	iBu	Ns	54
5	iPr	Cbz	76
6	Ph	t-BuSO2	76
7	Ph		83