Abstract
Ethylene glycol has the ability to act as a reactant when employed as a co-solvent for the enzymatic synthesis of ampicillin from (R)-phenylglycine methyl ester and 6-aminopenicillanic acid. The side reaction positively affects yield because its product, (R)-phenylglycine hydroxyethyl ester, is an intermediate for ampicillin synthesis.
Keywords:
ampicillin; co-solvent; transesterification; β-lactam antibiotics.
© 2013 Wiley Periodicals, Inc.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Ampicillin / analysis
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Ampicillin / chemistry
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Ampicillin / metabolism*
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Biotechnology
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Escherichia coli / genetics
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Escherichia coli / metabolism
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Escherichia coli Proteins / genetics
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Escherichia coli Proteins / metabolism
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Esterification
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Ethylene Glycol / chemistry*
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Ethylene Glycol / metabolism
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Penicillin Amidase / genetics
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Penicillin Amidase / metabolism
Substances
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Escherichia coli Proteins
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Ampicillin
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Penicillin Amidase
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Ethylene Glycol