Novel piperidine .sigma. receptor ligands as potential antipsychotic drugs
摘要:
Sigma receptor ligands represent a new class of potential antipsychotic drugs. This paper presents the structure-activity relationships leading to novel disubstituted piperidine sigma ligands, which have little or no affinity for dopamine D2 receptors. Selectivity for sigma sites over dopamine D2 or serotonin 5-HT2 receptors appears to be governed by the chemical nature of the piperidine nitrogen substituent, its distance from the basic nitrogen, and its orientation relative to the other piperidine substituent. Several of these compounds have good oral potency in some animal models used to evaluate potential antipsychotic drugs. The N-cyclopropylmethyl ketones and ethers (e.g. 6i (DuP 734), 6q, 18a, and 18n) have the best in vivo potency. Compounds 6i (DuP 734) and 6q did not cause catalepsy in the rat, even at very high doses. On the basis of the pharmacology profiles of these sigma ligands, we propose these compounds may be effective antipsychotic drugs, which do not induce extrapyramidal side effects or tardive dyskinesia.
Novel piperidine .sigma. receptor ligands as potential antipsychotic drugs
摘要:
Sigma receptor ligands represent a new class of potential antipsychotic drugs. This paper presents the structure-activity relationships leading to novel disubstituted piperidine sigma ligands, which have little or no affinity for dopamine D2 receptors. Selectivity for sigma sites over dopamine D2 or serotonin 5-HT2 receptors appears to be governed by the chemical nature of the piperidine nitrogen substituent, its distance from the basic nitrogen, and its orientation relative to the other piperidine substituent. Several of these compounds have good oral potency in some animal models used to evaluate potential antipsychotic drugs. The N-cyclopropylmethyl ketones and ethers (e.g. 6i (DuP 734), 6q, 18a, and 18n) have the best in vivo potency. Compounds 6i (DuP 734) and 6q did not cause catalepsy in the rat, even at very high doses. On the basis of the pharmacology profiles of these sigma ligands, we propose these compounds may be effective antipsychotic drugs, which do not induce extrapyramidal side effects or tardive dyskinesia.
N-aralkyl piperidine derivatives as psychotropic drugs
申请人:THE DU PONT MERCK PHARMACEUTICAL COMPANY
公开号:EP0449186A2
公开(公告)日:1991-10-02
There are provided N-aralkyl piperidine derivatives (I) which are selective sigma receptor antagonists. These compounds and pharmaceutical compositions containing them are useful for treating physiological or drug induced psychosis or dyskinesia in a mammal.
[EN] UREA DERIVATIVES AS CALCIUM CHANNEL BLOCKERS<br/>[FR] DÉRIVÉS DE L'URÉE AGISSANT COMME AGENTS BLOQUANT UN CANAL DE CALCIUM
申请人:NEUROMED TECH INC
公开号:WO2006024160A1
公开(公告)日:2006-03-09
Urea derivatives of formula (1) which comprise piperidine or piperazine ring. Each of A and B is independently hydrogen; alkyl; a 6membered aromatic or nonaromatic, carbocyclic or heterocyclic moiety; an aminoalkyl or an aminoalkenyl; wherein only one of A and B may be hydrogen or alkyl. RI is H, alkyl, alkenyl or alkynyl. Z is N or CHNR2. Each of R3 may be a variety of substituents. Each of R4 may be H or alkyl. Each Ar is a 6-membered or fused aromatic system optionally containing nitrogen atoms; m is 0-3 and n is 0-2. These compounds are effective in ameliorating conditions characterized by unwanted calcium channel activity.