Zankowska-Jasińska W, Burgieł M, Golus J, Kolasa A, Walocha K, Zaleska B, Chojnacka-Wójcik E, Wiczyńska B, Tatarczyńska E
Pol J Pharmacol Pharm. 1982 Nov-Dec;34(5-6):391-8.
New 2,3-dihydrofuran-2,3-dione derivatives (1-11) were obtained by condensation of oxalyl chloride with Schiff bases of acetyl- or benzoylacetone and aromatic amines. These compounds showed only weak sedative action and weak analgesic effect.