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Report | Regular issue | Vol 22, No. 7, 1984, pp.1537-1544
Published online, 1st January, 1970
DOI: 10.3987/R-1984-07-1537
Synthesis of the Natural Coumarinolignoids Propacin and Cleomiscosin A and B. An Empirical Spectroscopic Method to Distinguish Regioisomers of Natural Benzodioxane Lignoids

Anna Arnoldi, Alberto Arnone, and Lucio Merlini*

*Istituo di Biochimica Generale, Università digli Studi di Milano, Via Venezian 21, 20133 Milano, Italy


The synthesis of the title coumarinolignoids by Ag2O oxidation of fraxetin and isoeugenol or coniferyl alcohol is reported. A simple diagnostic method based on 13C nmr spectra is proposed to distinguish regioisomers of natural benzodioxane lignoids.