Table 5.

[TAIm]OH ionic liquid catalyzed transesterification reaction^[a]

Entry	R1	R2	Product	Time [h]	Conversion [%][b]
1	Et	Me	10 a	14	75
2	n‐Pr	Me	10 b	9	80
3	n‐Bu	Me	10 c	5	98
4	Me	EtOH	10 d	10	80
5	n‐Pr	EtOH	10 e	12	84
6	n‐Bu	EtOH	10 f	12	85
7	Me	n‐Pr	10 g	7	77
8	Et	n‐Pr	10 h	5	95
9	n‐Bu	n‐Pr	10 i	4	96

[a] Reaction conditions: Benzoate ester (5.0 mmol), alcohol (10 mmol), ionic liquid (1.0 ml, 10.0 mmol OH group), sealed tube. The all reactions were performed under boiling points of alcohols. [b] GC analysis.