Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5424052 | Surface Science | 2009 | 7 Pages |
Abstract
The adsorption and reaction of methyl lactate (CH3CH(OH)COOCH3) is studied in ultrahigh vacuum on a Pd(1 1 1) surface using temperature-programmed desorption (TPD) and reflection-absorption infrared spectroscopy (RAIRS). Methyl lactate reacts at relatively low temperatures (â¼220 K) by O-H bond scission. This intermediate can either react with hydrogen to reform methyl lactate at â¼280-300 K or undergo β-hydride elimination to form flat-lying methyl pyruvate. This decomposes to form acetyl and methoxy carbonyl species as found previously following methyl pyruvate adsorption on Pd(1 1 1). These species predominantly react to form carbon monoxide, methane and hydrogen.
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Authors
Luke Burkholder, Wilfred T. Tysoe,