Table 1.

Reaction Optimization^a

entry	fluoride source	solvent	T (°C)	time (h)	yieldb (%)
1	TBAF	THF	0 to rt	3	37
2	TBAF	MeCN	0 to rt	3	45
3	TBAF	DCM	0 to rt	5	34
4	CsF	THF	rt	18	37
5	CsF	MeCN	rt	18	76

^aAll reactions were carried out on a 0.3 mmol scale in 0.1 M concentration.

^bIsolated yield.