Table 3 Substrate scope for epoxidation reaction^a of olefins using the IUST-1 as a catalyst.

Alkene	Time(min)	Yield%	TON^b	TOF^c
Cyclooctene	120	99.8	29.35	14.67
Cyclohexene	120	93	27.35	13.68
Alpha-Methyl styrene	150	90	26.47	10.50
Styrene	180	85	25	8.33
1-Hexene	270	72	21.17	4.70
1-Octene	270	70	20.59	4.57
Alpha-Pinene	180	85	25	8.33
2-methylstyrene	300	88	25.88	5.18
4-Methylstyrene	180	90	26.47	8.82
trans-Stilbene	360	93	27.35	4.56
4-Chlorostyrene	330	91	26.76	4.86
4-Nitrostyrene	330	87	25.59	4.65
Cyclopentene	210	94	27.64	7.90

^aReaction conditions: Substrate (1 mmol), 20mg IUST-1 as a catalyst, CCl₄ (0.5 mL), NH₄VO₃ (4mg), TBHP (2 mmol), 76 °C.
^bTON = (mol of substrate /mol of catalyst)*yield of product³³.
^cTOF = TON/Time (h)³³.

Quick links

Search