Scientific Reports

Table 3 A comparative evaluation of UiO and MIP catalysts highlights the impact of catalyst amount, temperature, time, and solvent on the styrene ring-opening reaction using amine nucleophile.

From: Superior and efficient performance of cost-effective MIP-202 catalyst over UiO-66-(CO₂H)₂ in epoxide ring opening reactions


Entry	Catalyst	Catalyst amount (mol %)^a	Solvent	Time (min)	Temperature (°C)	Conversion (%)	Selectivity (%)
1	MIP	0.34	Solvent free	120	r.t	80	90
2	MIP	0.68	Solvent free	120	r.t	90	90
3	MIP	1.02	Solvent free	60	r.t	95	93
4	MIP	1.02	Solvent free	120	r.t	97	93
5	MIP-a	1.02	Solvent free	120	r.t	63	93
6	MIP	1.02	THF	120	r.t	15	93
7	MIP	1.02	Toluene	120	r.t	40	93
8	MIP	1.02	CH₃CN	120	r.t	30	90
9	MIP	1.02	DCM	120	r.t	18	90
10	No catalyst	0	Solvent free	120	r.t	5	90
11	UiO	0.23	Solvent free	120	r.t	43	90
12	UiO	0.46	Solvent free	120	r.t	48	90
13	UiO	0.69	Solvent free	120	r.t	52	90
14	UiO	0.92	Solvent free	120	r.t	60	90
15	UiO	0.92	Solvent free	120	40	65	90
16	UiO	0.92	Solvent free	120	50	72	93
17	UiO	0.23	Solvent free	120	60	67	90
18	UiO	0.46	Solvent free	120	60	84	90
19	UiO	0.69	Solvent free	120	60	95	93
20	UiO	0.92	Solvent free	60	60	70	90
21	UiO	0.92	Solvent free	90	60	88	93
22	UiO	0.92	Solvent free	120	60	98	93
23	UiO	1.15	Solvent free	120	60	98	93
24	No catalyst	0	Solvent free	120	60	20	90
25	UiO	0.92	THF	120	60	20	87
26	UiO	0.92	Toluene	120	60	42	93
27	UiO	0.92	CH₃CN	120	60	37	42
28	UiO	0.92	DCM	120	60	15	90

Reaction conditions: Each reaction utilized 1 mmol of styrene oxide and 1 mmol of aniline. Conversion and selectivity data were obtained via gas chromatography.
^a \({\text{Mol\% of catalyst}} = \left( {\text{mol of catalyst}} \right)/\left( {\text{mol of epoxide}} \right) \times 100.\)

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