Abstract: Disclosed is a compound having a strong affinity to serotonin-4 receptors, which is useful as an enterokinesis-promoting agent or a digestive tract function-improving agent. Specifically, disclosed is a compound represented by Formula (1) or a pharmaceutically acceptable salt thereof. Also specifically disclosed is a pharmaceutical composition containing a compound represented by Formula (1) or a pharmaceutically acceptable salt thereof. [In Formula (1), Ar represents a group represented by Formula (Ar-1) or Formula (Ar-2).

Abstract: Disclosed is a compound having a strong affinity to serotonin-4 receptors, which is useful as an enterokinesis-promoting agent or a digestive tract function-improving agent. Specifically, disclosed is a compound represented by Formula (1) or a pharmaceutically acceptable salt thereof. Also specifically disclosed is a pharmaceutical composition containing a compound represented by Formula (1) or a pharmaceutically acceptable salt thereof. [In Formula (1), Ar represents a group represented by Formula (Ar-1) or Formula (Ar-2).

Abstract: (S)-4-Amino-5-chloro-2-methoxy-N-[1-[1-(2-tetrahydrofuryl-carbonyl) -4-piperidinylmethyl]-4-piperidinyl]benzamide of the following formula (I): or a pharmaceutically acceptable acid addition salt thereof, or a hydrate thereof, and a process for preparing the same, a pharmaceutical composition containing the same, and intermediate therefor. The compound of the present invention is useful as a gastrointestinal motility enhancer or a gastrointestinal prokinetic agent, which shows a potent affinity for 5-HT4 receptor, and shows few effects on the heart, and further shows few side effects on the central nervous system based on the dopamine D2 receptor.

Abstract: (S)-4-Amino-5-chloro-2-methoxy-N-[-[1 -(2-tetrahydrofurylcarbonyl)-4-piperidinylmethyl]-4-piperidinyl]benzamide of the following formula (I): 1

Abstract: This invention discloses a compound which is expressed by formula (I) below: ##STR1## or physiologically acceptable acid addition salts thereof. The claimed compound exhibits excellent antiemetic effect based on its potent serotonin S.sub.3 and dopamine D.sub.2 receptor antagonistic activities, and is useful for treatment or prophylaxis of various gastrointestinal symptoms which are associated with various diseases and drug administration.

Abstract: 6-Methoxy-1H-benzotriazole-5-carboxamide derivatives which are represented by the formula (I) below: ##STR1## ?in which R.sup.1 stands for ethyl or cyclopropylmethyl group, R.sup.2 stands for hydrogen atom, methyl or ethyl group,n is 1, 2 or 3, andthe wavy line () signifies that configuration of the substituents on the carbon atom bound to the N-atom in the amide moiety is racemic (RS) or optically active (R or S)!or their pharmaceutically acceptable acid addition salts; processes for their preparation; pharmaceutical compositions containing a compound of formula (I) or its pharmaceutically acceptable acid addition salt; and novel intermediates. The compounds of the present invention possess concurrently excellent antiemetic activity and gastrointestinal motility enhancing activity.

Abstract: An indole derivative of the formula: ##STR1## wherein R.sub.1 is lower alkoxy, lower alkoxycarbonyl-lower alkoxy, carboxy-lower alkoxy, lower alkoxycarbonyl, phenyl-lower alkoxy, lower alkyl being optionally substituted by hydroxy, di-lower alkylaminosulfonyl, etc., R.sub.2 is hydrogen, halogen, lower alkoxy, lower alkoxycarbonyl-lower alkoxy, carboxy-lower alkoxy, etc., R.sub.3 is hydrogen or lower alkyl, R.sub.4 is halogen or trifluoromethyl, R.sub.5 is lower alkyl, or a salt thereof, these compounds being potent .beta..sub.3 -adrenergic receptor-stimulating agent with excellent adrenoceptor selectivity, and being useful in the prophylaxis or treatment of obesity or diabetes mellitus.