Table 5. Syntheses of α-alkyloxyl-α,α-diaryl imine.

Entry	R1	R2OH	Temperature (oC)	Product	Yield (%)
1	n-C3H7	i-PrOH	0	7a	71
2	Me	i-PrOH	10	7b	68
3	n-C4H9	i-PrOH	0	7c	63
4	n-C3H7	CH3OH	10	7d	52
5	n-C3H7	EtOH	10	7e	62
6	n-C3H7	Butan-1-ol	10	7f	58
7	n-C3H7	Butan-2-ol	0	7g	65
8	n-C3H7	Cyclohexanol	10	7h	70
9	n-C3H7	Prop-2-yn-1-ol	25	7i	54
10	n-C3H7	(E)-but-2-en-1-ol	25	7j	46
11*	Ph	CH3OH	90	7k	66
12*	4-NO2C6H4	CH3OH	90	7l	45
13*	4-acetyl C6H4	CH3OH	90	7m:7m′=1.5:1	41†
14*	4-tBuC6H4	CH3OH	90	7n:7n′=1:2	54†

Reactions condition: 6 (0.5 mmol), NFSI (2 equiv., 1.0 mmol), R²OH (3 equiv., 1.5 mmol), Cu(acac)₂ (5 mol %) in CH₃CN (2 ml) under N₂ atmosphere for 48 h. Isolated yields.

^*Reactions condition: 6 (0.5 mmol), NFSI (2 equiv., 1.0 mmol), CH₃OH (3 equiv., 1.5 mmol), CuCN (5 mol %) in CH₂Cl₂ (2 ml) at 90 °C under N₂ atmosphere for 48 h. Isolated yields.

^†Mixture of two isomers. The ratio was determined by ¹H NMR analysis.