Resolution of 1-Methyl-3-Amphetamine by Magnetic Fe3O4-APTES-CS2- Lipase in a Non-Aqueous Solvent

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Abstract:

Fe3O4-APTES-CS2 was prepared by modification of Fe3O4 with 3-aminopropyltriethoxysilane (APTES) and carbon disulfide (CS2). Lipase was covalently bonded to Fe3O4-APTES-CS2 to obtain the immobilized lipase Fe3O4-APTES-CS2-lipase. The textural characteristic of Fe3O4-APTES-CS2-lipase was assessed by scanning electron microscopy. The optimal immobilization conditions were 2.5 mg/mL lipase, pH 7.0, 35 °C, 3 h. The loading amount of lipase was 119.0 mg/g carrier. The immobilization efficiency reached 57%. (R)-(+)-N-acetyl-1-methyl-3-amphetamine was synthesized by Fe3O4-APTES-CS2-Li- pase. The conversion, enantiomeric excess of (R)-(+)-N-acetyl-1-methyl-3-amphet-a- mine and E value reached 36.8%, 98.5% and 132, respectivel.

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Materials Science Forum (Volume 1003)

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128-133

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July 2020

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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