
A short and efficient synthesis of (+)-spirolaxine methyl ether, a metabolite of the fungus Sporotrichum laxum with inhibitory activity against Helicobacter pylori, is described. The synthesis has been carried out by a Prins cyclization, to obtain the [6,5]-spiroketal system, and a Wadsworth-Emmons condensation, applied for the installation of the polymethylene chain on the phthalide moiety.
Magnetic Resonance Spectroscopy, Molecular Structure, Spirolaxine; asymmetric synthesis, Spiro Compounds
Magnetic Resonance Spectroscopy, Molecular Structure, Spirolaxine; asymmetric synthesis, Spiro Compounds
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