[BzMIm]HSO4 synthesis
- Product Name:[BzMIm]HSO4
- CAS Number:956597-95-8
- Molecular formula:C11H14N2O4S
- Molecular Weight:270.3
65039-11-4
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Yield:956597-95-8 93%
Reaction Conditions:
with 1-hexene;sulfuric acid;dihydrogen peroxide at 25; for 3 h;
Steps:
Ionic liquids (Table 1, Entries 1-19, 21); General Procedure
General procedure: A mixture of the appropriate imidazolium bromide (0.2 mol) and hex-1-ene (30 mL) was stirred in a flask, and a mixture of the appropriate protonic acid (0.2 mol) and H2O2 (0.1 mol) was added dropwise at room temperature (25 °C). After the appropriate time (Table 1), the liquid was placed in a separatory funnel and the oil phase was removed. The aqueous phase was washed with portions of CH2Cl2 (50mL) until it was colorless. Residual H2O in the product was removed by azeotropic distillation with cyclohexane. For [BzMim]PF6 (Table 1,entry 18), which has low water solubility, post-processing required only distillation and desiccation of the oil phase.
References:
Li, Wenxiu;Dai, Shangwu;Li, Dong;Zhang, Qinqin;Fan, Hongtao;Zhang, Tao;Zhang, Zhigang [Synthesis,2017,vol. 49,# 5,art. no. SS-2016-H0009-OP,p. 1065 - 1072]