, Volume 21, Issue 8, pp 1817-1824
Date: 25 Jun 2011

Investigation of myorelaxant activity of 9-aryl-3,4,6,7-tetrahydroacridine-1,8-(2H,5H,9H,10H)-diones in isolated rabbit gastric fundus

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In this study, twelve compounds having 9-aryl-3,4,6,7-tetrahydroacridine-1,8-(2H,5H,9H,10H)-dione structure were synthesized by reaction of 5-methyl-1,3-cyclohexanedione, the appropriate aromatic aldehydes, and ammonium acetate in methanol. The structures of the compounds were elucidated by infrared, 1H- and 13C-nuclear magnetic resonance spectroscopy (-NMR), mass spectroscopy, and elemental analysis. The maximum relaxant effects (E max) and pD2 values of the compounds 3al and pinacidil were tested on isolated strips of rabbit gastric fundus smooth muscle.