Table 1.

Variation of the yield of the isolated product resulting from changes to the reaction conditions [see Eq. (1)].

Entry	Deviation from the reaction conditions given in Equation (1)	Yield [%]
1	10 mol % AgBF4	36
2	1 equiv AgSbF6	18
3	1 equiv AgOAc, AgCN and AgF	<5
4	10 mol % AgOAc, 1 equiv Bu4NBF4	<5
5	10 mol % AgOAc, 1 equiv (tBu)3PHBF4	44
6	1 equiv AgBF4, 1 equiv Selectfluor instead of 1	<5
7	1 equiv Zn(BF4)2	46
8	1 equiv Cu(MeCN)4BF4	32
9	1 equiv ZnF2, CuF2	<5
10	MeOH as solvent	<5
11	toluene as solvent	trace