Design of N-Acylprolyltyrosine “Tripeptoid” Analogues of Neurotensin as Potential Atypical Antipsychotic Agents
摘要:
A series of N-acylprolyltyrosine amides was designed as tripeptoid analogues of neurotensin. The substituted dipeptides were tested in vivo for antidopamine activity by their ability to inhibit the apomorphine-induced climbing in mice and the dopamine-induced extrapolatory behavior impairment in rats. The N-acylprolyltyrosine amides structure-activity relationships have indicated the size of the N-acyl group and the configuration of amino acids that are important for the activity. Pie found that the bioactivity has been increased dramatically when the n-hydrocarbon chain on the N-acyl group was increased from four to five carbon atoms, The activity seems to reside exclusively in the L-Tyr diastereomers. All of the compounds tested were inactive in the cataleptogenic action and did not exhibit the acute toxicity even at doses 500-1000 times higher than ED50 climbing test, On this basis, the N-acylprolyltyrosine amides could potentially be a novel class of atypical antipsychotic agents.
Design of N-Acylprolyltyrosine “Tripeptoid” Analogues of Neurotensin as Potential Atypical Antipsychotic Agents
摘要:
A series of N-acylprolyltyrosine amides was designed as tripeptoid analogues of neurotensin. The substituted dipeptides were tested in vivo for antidopamine activity by their ability to inhibit the apomorphine-induced climbing in mice and the dopamine-induced extrapolatory behavior impairment in rats. The N-acylprolyltyrosine amides structure-activity relationships have indicated the size of the N-acyl group and the configuration of amino acids that are important for the activity. Pie found that the bioactivity has been increased dramatically when the n-hydrocarbon chain on the N-acyl group was increased from four to five carbon atoms, The activity seems to reside exclusively in the L-Tyr diastereomers. All of the compounds tested were inactive in the cataleptogenic action and did not exhibit the acute toxicity even at doses 500-1000 times higher than ED50 climbing test, On this basis, the N-acylprolyltyrosine amides could potentially be a novel class of atypical antipsychotic agents.
The present invention is related to substituted amine derivatives notably for use as pharmaceutically active compounds, as well as to pharmaceutical formulations containing such amine derivatives of formula (I). Said substituted amine derivatives are efficient modulators, in particular inhibitors, of the Bax function and/or activation. The present invention is furthermore related to novel substituted amine derivatives as well as methods of their preparation.