Table 5.

Effect of the fluorinating agent on the catalytic fluorination of F1 with 10 mol % K1.

Entry	Reagent	Time	Conversion (%)	ee (%)
1	F–TEDAa	<5 h	>90	28
2	NFTh	<30 h	>90	32.5
3	NFSI	5 d	90	28.0
4	NFPy	5 d	30	28.8
5	NFColl	5 d	<5	–
6	F2-bipy	7 weeks	80	≤3
7	p-TsN(F)Me	>1 week	0	–
8	SaSu–NF	>1 week	0	–

^a5 mol % of catalyst.