Regioselective conversion of epoxides to β-acetoxy alcohols catalyzed by a novel green and recyclable phase transfer catalyst

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AYASHI NEDA; FALLAH MEHRJARDI MEHDI; Kiasat Alireza

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Journal: JOURNAL OF APPLIED CHEMISTRY Year:2018 | Volume:13 | Issue:47 Page(s): 59-68

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Title

Regioselective conversion of epoxides to β-acetoxy alcohols catalyzed by a novel green and recyclable phase transfer catalyst

Author(s)

AYASHI NEDA | FALLAH MEHRJARDI MEHDI | Kiasat Alireza | Issue Writer Certificate

Keywords

Green chemistryQ1

Phase transfer catalystQ1

Ring opening of epoxidesQ1

β-Acetoxy alcoholsQ1

RecyclabilityQ1

Abstract

A new mild and efficient procedure for the Ring opening of epoxides by acetate anion in the presence of catalytic amounts of silica-bound polyethylene glycol substituted 1-methylimidazolium bromide, SiO2-PEG-ImBr, as an effective heterogeneous Phase transfer catalyst in aqueous media is developed. A variety of β-Acetoxy alcohols are obtained in high yields with excellent regioselectivity in short reaction times. The remarkable features of this procedure are improved yields, high regioselectivity, small quantity of catalyst, easy work-up, ease of Recyclability of catalyst and environmentally friendliness. The recycled catalyst could be reused over four times with almost no loss of catalytic activity. A new mild and efficient procedure for the Ring opening of epoxides by acetate anion in the presence of catalytic amounts of silica-bound polyethylene glycol substituted 1-methylimidazolium bromide, SiO2-PEG-ImBr, as an effective heterogeneous Phase transfer catalyst in aqueous media is developed. A variety of β-Acetoxy alcohols are obtained in high yields with excellent regioselectivity in short reaction times. The remarkable features of this procedure are improved yields, high regioselectivity, small quantity of catalyst, easy work-up, ease of Recyclability of catalyst and environmentally friendliness. The recycled catalyst could be reused over four times with almost no loss of catalytic activity.

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APA: Copy

AYASHI, NEDA, FALLAH MEHRJARDI, MEHDI, & Kiasat, Alireza. (2018). Regioselective conversion of epoxides to β-acetoxy alcohols catalyzed by a novel green and recyclable phase transfer catalyst. JOURNAL OF APPLIED CHEMISTRY, 13(47 ), 59-68. SID. https://sid.ir/paper/380340/en

Vancouver: Copy

AYASHI NEDA, FALLAH MEHRJARDI MEHDI, Kiasat Alireza. Regioselective conversion of epoxides to β-acetoxy alcohols catalyzed by a novel green and recyclable phase transfer catalyst. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2018;13(47 ):59-68. Available from: https://sid.ir/paper/380340/en

IEEE: Copy

NEDA AYASHI, MEHDI FALLAH MEHRJARDI, and Alireza Kiasat, “Regioselective conversion of epoxides to β-acetoxy alcohols catalyzed by a novel green and recyclable phase transfer catalyst,” JOURNAL OF APPLIED CHEMISTRY, vol. 13, no. 47 , pp. 59–68, 2018, [Online]. Available: https://sid.ir/paper/380340/en

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