abstract |
Method for preparing new 2'' (Carboxymethoxy)-chalcones against gastric and duodenal ulcers. More particularly, the invention relates to a method for preparing a new 2''carboxymethoxy)-chalcone of the formula (**formula**) in which one or two of X1, X2, and X3 are 3-methyl-2 -butenyloxy, and the others are hydrogen. |