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Issue 10, 2004
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Tailor-made aggregates of α-hydroxy esters in supersonic jets

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Hydrogen-bonded clusters of methyl glycolate and methyl α-hydroxyisobutyrate are investigated by ragout-jet FTIR-spectroscopy to elucidate the influence of α-C hydrogens on the unusual aggregation of α-hydroxy esters. Highly structured OH-stretching spectra, stagnation pressure studies, and argon coating experiments show that two α-C hydrogens enable the formation of small oligomers such as trimers and tetramers, whereas the lack of α-C hydrogens stops selective aggregation beyond dimers. Methyl lactate with a single chiral α-C hydrogen is suggested to be intermediate in its clustering behavior, with a homochiral preference for trimers and a strong heterochiral preference for tetramers.

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Publication details

The article was received on 04 Dec 2003, accepted on 26 Jan 2004 and first published on 25 Feb 2004

Article type: Paper
DOI: 10.1039/B315765B
Citation: Phys. Chem. Chem. Phys., 2004,6, 2885-2890

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    Tailor-made aggregates of α-hydroxy esters in supersonic jets

    N. Borho and M. A. Suhm, Phys. Chem. Chem. Phys., 2004, 6, 2885
    DOI: 10.1039/B315765B

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