S. Goyal et al., SYNTHETIC APPROACH TO EUSIDERIN TYPE NEOLIGNANS .2., Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 34(2), 1995, pp. 87-92
trans-Methyl 5-methoxy-2-(3', 4', 5'-trimethoxyphenyl)-3-methylbenzo-1
, 4-dioxane-7-carboxylate (5) and trans-methyl 5-methoxy-2-(3', 4'-met
hylenedioxyphenyl)3-methylbenzo-1, 4-dioxane-7-caroxylate (15) have be
en synthesized and modified into a number of analogues of neolignans e
usiderin-A, B and G.