Ganglionic action of some newly synthesized glutarimide compounds

20 newly synthesized glutarimide compounds and their organic bases were investigated for their action on the autonomic ganglion in cats. Compounds 1 to 7 having piperidine moiety showed mainly ganglionic stimulant activity as evidenced by rise in blood pressure, contraction of nictitating membrane and rise in urinary bladder pressure of cats, which was completely blocked by C6 and partly by atropine. Compound 8 and 9 having diethylamine moiety showed initial stimulation--followed by blockade of the autonomic ganglia. Compounds 10 to 13 having morpholine moiety showed stimulation of both sympathetic and parasympathetic autonomic nervous system. The responses were due to effect partly on ganglia and partly on the receptors. Compounds 14 to 20, which have alkyl substitution chain at position 4 of beta-carbon atom, showed depressor action. The ganglionic activity of the glutarimide compounds in various groups was found to be in inverse ratio to the length of the alkyl side chain at position 4 of the beta-carbon atom.