AbstractThe (±)-3-methoxybenzodioxane-4,9,9′-triol neolignan 9, and methyl ethers of isoamericanol A 8 and isoamericanin A 7 were synthesized from the readily available materials caffeic acid and ferulic acid, using a coupling reaction as a key step.References1. Fukuyama Y. , Hasegawa T. , Kodama M. , and Okazaki H. , Chem. Pharm. Bull., 1992, 40(1), 252.2. Fang J.-M. , Lee C.-K. , and Cheng Y.-S. , Photochemistry, 1992, 31, 3659.3. Antus S. , Baitz-Gacs E. , Bauer R. , and Wagner H. , Liebigs Ann. Chem., 1989, 1147.4.(a) Yamauchi S. , and Taniguchi E. , Biosci. Biotech. Biochem., 1992, 56, 1751; (b) 1992, 50, 630.5. Merlini L. , and Zanarotti A. , J. Chem. Soc., Perkin Trans. 1, 1980, 775.
