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DOI: 10.1055/s-0029-1216983
Straightforward Total Synthesis of 2-O-Feruloyl-l-malate, 2-O-Sinapoyl-l-malate and 2-O-5-Hydroxyferuloyl-l-malate
Publication History
Publication Date:
03 September 2009 (online)
Abstract
A synthetic method for the preparation of 2-O-feruloyl-l-malic acid, 2-O-sinapoyl-l-malic acid and 2-O-5-hydroxyferuloyl-l-malic acid from malic acid and ferulic, sinapic, and hydroxyferulic acids, respectively, using Steglich esterification is described.
Key words
isourea - cross-coupling - esterification - phenol - total synthesis
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References
E/Z ratios were determined from the corresponding ¹H NMR spectra.
12In order to remain consistent throughout the paper, all labeling positions refer to Figure [¹] . Therefore, OCH3 is always at C-3′ regardless of IUPAC numbering rules.