NEW ALKOXY DERIVATIVES OF GINKGOLIDES, THEIR PREPARATION AND THERAPEUTIC COMPOSITIONS CONTAINING THE SAME

摘要

This invention relates to 1-alkoxy or 10-alkoxy substituted Ginkgolides or mixtures of the same, to a preparation process of these compounds consisting in reacting a dioxan solution of the selected Ginkgolide on a diethyl ether solution of diazoalkane in excess, at room temperature for 1 to 10 hours and to therapeutic compositions containing the same.