ROOM TEMPERATURE SYNTHESIS OF MEQUINOL BY USING IONIC LIQUIDS AS HOMOGENEOUS RECYCLABLE CATALYSTS

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Aghabarari Behzad

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2018 | Volume:37 | Issue:2 Page(s): 45-52

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Information Journal Paper

Title

ROOM TEMPERATURE SYNTHESIS OF MEQUINOL BY USING IONIC LIQUIDS AS HOMOGENEOUS RECYCLABLE CATALYSTS

Author(s)

Aghabarari Behzad | Issue Writer Certificate

Keywords

MEQUINOL

BAEYER–VILLIGER OXIDATION

ACID CATALYST

IONIC LIQUID

Abstract

For synthesis of MEQUINOL (4-methoxy phenol), two acidic IONIC LIQUIDs based on imidazolium cation (BMSIL and IMSIL) synthesized and characterized with FT-IR, 1H NMR and CHNS analyses. Then, the BAEYER–VILLIGER OXIDATION of para-anisaldehyde was studied with these IONIC LIQUIDs, as the catalysts. The results showed that the BMSIL with more Brønsted acidic functions had higher catalytic activity than IMSIL and even sulfuric acid at room temperature.Furthermore, the different reaction parameters were studied and maximum conversion (99%) and selectivity (95%) of MEQUINOL was observed by using 5% BMSIL as catalyst, H2O2 (30% solution) as oxidant, Methanol as solvent at 3.5 h, and room temperature condition. Also, we investigated the effect of different substituents in the aromatic ring of benzaldehyde and various solvents on the catalyticactivity of BMSIL IONIC LIQUID as the best catalyst in the oxidation of aromatic aldehydes.The results show that the protic solvent and electron-donating substituentsin para position of benzaldehyde favor the phenol product.

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APA: Copy

Aghabarari, Behzad. (2018). ROOM TEMPERATURE SYNTHESIS OF MEQUINOL BY USING IONIC LIQUIDS AS HOMOGENEOUS RECYCLABLE CATALYSTS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 37(2), 45-52. SID. https://sid.ir/paper/715151/en

Vancouver: Copy

Aghabarari Behzad. ROOM TEMPERATURE SYNTHESIS OF MEQUINOL BY USING IONIC LIQUIDS AS HOMOGENEOUS RECYCLABLE CATALYSTS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2018;37(2):45-52. Available from: https://sid.ir/paper/715151/en

IEEE: Copy

Behzad Aghabarari, “ROOM TEMPERATURE SYNTHESIS OF MEQUINOL BY USING IONIC LIQUIDS AS HOMOGENEOUS RECYCLABLE CATALYSTS,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 37, no. 2, pp. 45–52, 2018, [Online]. Available: https://sid.ir/paper/715151/en

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