7-[3-(1-Piperidinyl)propoxy]chromenones as Potential Atypical Antipsychotics
摘要:
Compound 1 (1-benzyl-3-methyl-4-[4-(4-fluorophenyl)- a synthetic intermediate identified as a potential atypical antipsychotic, was selected as the starting point for pharmacological improvement. From 1, sequential structural variations were conducted in order to improve its potency and oral bioavailability. These variations included a series of piperazine, ethanediamine, and piperidine derivatives. The piperidine series afforded some orally potent compounds in the inhibition of apomorphine-induced climbing and hyperactivity in mice, which are regarded as behavioral models predictive of antipsychotic efficacy. Further optimization of these structures led to the highly potent 7-[3-(1-piperidinyl)propoxy]chromenones. Inhibition of stereotypies and induction of catalepsy in rats at doses substantially higher than required for inhibition of climbing suggest an atypical antipsychotic profile, which is assumed to predict a reduced induction of extrapyramidal side effects in humans.
7-[3-(1-Piperidinyl)propoxy]chromenones as Potential Atypical Antipsychotics
摘要:
Compound 1 (1-benzyl-3-methyl-4-[4-(4-fluorophenyl)- a synthetic intermediate identified as a potential atypical antipsychotic, was selected as the starting point for pharmacological improvement. From 1, sequential structural variations were conducted in order to improve its potency and oral bioavailability. These variations included a series of piperazine, ethanediamine, and piperidine derivatives. The piperidine series afforded some orally potent compounds in the inhibition of apomorphine-induced climbing and hyperactivity in mice, which are regarded as behavioral models predictive of antipsychotic efficacy. Further optimization of these structures led to the highly potent 7-[3-(1-piperidinyl)propoxy]chromenones. Inhibition of stereotypies and induction of catalepsy in rats at doses substantially higher than required for inhibition of climbing suggest an atypical antipsychotic profile, which is assumed to predict a reduced induction of extrapyramidal side effects in humans.
AGENT FOR PROPHYLAXIS AND TREATMENT OF PANCREATITIS
申请人:Yamaguchi Isamu
公开号:US20090075974A1
公开(公告)日:2009-03-19
Disclosed is a pharmaceutical composition for prophylaxis and treatment of pancreatitis comprising a 5-HT2A receptor antagonist as an effective component, wherein the binding activity (pKi) of the 5-HT2A receptor antagonist to a 5-HT2A receptor is higher at least by 1.0 than the binding activities to a 5-HT2B receptor and a 5-HT2C receptor. Preferably the binding activity (pKi) of the 5-HT2A receptor antagonist to the 5-HT2A receptor is at least 7.0, and more preferably at least 8.0. The present invention also provides a method of identifying a candidate substance for prophylactic and therapeutic agent for pancreatitis, comprising determining whether a test substance has a 5-HT2A receptor antagonistic activity.