A series of 1,4:5,8-diepoxynaphthalenes, annellated with carbo- and heterocycles, was synthesized based on the tandem intermolecular/intramolecular [4+2] cycloaddition of bis-furyl dienes with moderately to highly reactive cyclic dienophiles (maleic anhydride and maleinimides).
A new drug delivery system using plasma-irradiated pharmaceutical aids. X controlled-release of theophylline from plasma-irradiated double-compressed tablet composed of poly(styrene-maleic anhydride) or poly(styrene-maleic acid) as a single wall material.