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syn/anti Mixtures of the substrate esters of 1-alkynyl-2,3-epoxy alcohols were used. The reaction products were not found to be affected by the stereochemical configuration of the substrate. For a full explanation and definition of the terms syn and anti as used herein see: C. M. Marson, D. W. M. Benzies, A. D. Hobson, Tetrahedron 1991, 47, 5491-5506.
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syn/anti Mixtures of the substrate esters of 1-alkynyl-2,3-epoxy alcohols were used. The reaction products were not found to be affected by the stereochemical configuration of the substrate. For a full explanation and definition of the terms syn and anti as used herein see: C. M. Marson, D. W. M. Benzies, A. D. Hobson, Tetrahedron 1991, 47, 5491-5506.
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2O, 2-(α-hydroxyalkyl)furans G might lead to the formation of the cation intermediates H, which undergo the Friedel-Crafts-type reaction to afford the difurylmethanes I. (Chemical Equation Presented)
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2O, 2-(α-hydroxyalkyl)furans G might lead to the formation of the cation intermediates H, which undergo the Friedel-Crafts-type reaction to afford the difurylmethanes I. (Chemical Equation Presented)
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61
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0030722424
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Asimilar mechanism has been reported by Marson, see
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