Abstract:
PURPOSE: Provided are novel 4,5-dihydroisoxazolylalkylpiperazine derivatives having selective biological activity to dopamine D3 and D4 receptors, and their preparation method by reductive amination in the presence of reductant. CONSTITUTION: 4,5-dihydroisoxazolylalkylpiperazine derivative is represented by the formula(1), wherein R1, R2, R3, R4 and R5 are identical or different from each other, and represents individually hydrogen atom, halogen atom, C1-C6 alkyl group, C1-C6 alkoxy group, C2-C6 alkenyl group, hydroxy group , hydroxymethyl group, aryl group, heteroaryl group, amino group, C1-C6 alkyl amino group, carbonyl group, C3-C8 cycloalkyl group, or C3-C8 heterocyclic group; R6 represents hydrogen atom, halogen atom, alkyl group, C1-C6 alkoxy group, aryl group, pyridyl group, heterocyclic group or pyrimidyl group; X represents CH or nitrogen atom; and n is 3 or 4.
Abstract:
PURPOSE: A pyrazole butyl compound and a pharmaceutical composition containing the same are provided to ensure dopamine D4 receptor affinity and to prevent and treat central nervous system diseases. CONSTITUTION: A pyrazole butyl compound and pharmaceutically acceptable salt thereof are denoted by chemical formula 1. The salt includes inorganic acid salt, organic acid salt, amino acid salt, alkali metal salt, or ammonium salt. A method for preparing the pyrazole butyl compounds comprises: a step of performing reductive amination of pyrazole aldehyde compound of chemical formula 2 with heterocycle compounds of chemical formula 3 under the presence of reducing agent and base. A pharmaceutical composition for treating central nervous system diseases contains 1-(4-chlorophenyl)-4-(4-(1-phenyl-3-propyl-1H-pyrazole-5-yl)butyl)piperazine(compound No. 33) or 1-(4-(1-phenyl-3-propyl-1H-pyrazole-5-yl)butyl)-4-(3-(trifluoromethyl)phenyl)piperazine(compound No. 36).
Abstract:
PURPOSE: A pharmaceutical composition containing a novel 3-(methoxymethyl)pyrazole derivative is provided to ensure dopamine D3 and D4 receptor affinity and to suppress psychotic behavior(cage climbing) in a mouse. CONSTITUTION: A novel 3-(methoxymethyl)pyrazole derivative is denoted by chemical formula 1. The compound of chemical formula 1 is prepared by reductive amination of pyrazole aldehyde derivative of chemical formula 2 with piperazine derivative of chemical formula 3 under the presence of reductant and base. A pharmaceutical composition for treating central nervous system diseases contains the compound of chemical formula 1.
Abstract:
The present invention relates to 4,5-dihydroisoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D3 and D4 receptors represented by the following Formula (1), and its preparation method through reductive amination reaction in the presence of reducing agent,wherein R1, R2, X and n are the same as defined in the specification.
Abstract:
본 발명은 피라졸부틸 화합물, 이의 제조방법 및 이를 함유하는 약학적 조성물에 관한 것이다. 본 발명의 피라졸부틸 화합물은 도파민 D 4 수용체 친화력이 우수하고, 중추신경계 질환, 구체적으로는 정신분열증, 주의력결핍 과잉행동장애, 우울증, 스트레스성 질환, 공황장애, 공포증, 강박장애, 외상후 스트레스장애, 인식장애, 알츠하이머병, 파킨슨병, 불안증, 망상분열증, 열광증, 경련장애, 인격장애, 편두통, 약물중독, 알코올 중독, 비만, 섭식 장애, 수면장애 등의 치료 및 예방제로 유용하다.
Abstract:
본 발명은 신규 피페라지닐프로필피라졸 유도체, 이의 제조방법 및 이를 함유하는 약학적 조성물에 관한 것이다. 본 발명의 신규 피페라지닐프로필피라졸 유도체는 도파민 D 4 수용체 친화력이 우수하고, 아포몰핀(Apomorphine)으로 유도된 마우스의 정신병적 행동 (Cage climbing, 철망 기어오르기)을 효과적으로 억제하였을 뿐만 아니라 마우스 로타로드 (rotarod) 시험에서 비교적 약한 부작용을 나타내므로, 중추신경계 질환 구체적으로는 정신분열증, 주의력결핍 과잉행동장애, 우울증, 스트레스성 질환, 공황장애, 공포증, 강박장애, 외상후 스트레스장애, 인식장애, 알츠하이머병, 파킨슨병, 불안증, 망상분열증, 열광증, 경련장애, 인격장애, 편두통, 약물중독, 알코올 중독, 비만, 섭식 장애, 수면장애 등의 치료 및 예방제로 유용하다. 피라졸, 피페라진, 도파민 D4 수용체, 중추신경계 질환, 정신분열증
Abstract:
A piperazinyl-propyl-pyrazole derivative is provided to show excellent dopamine D4 affinity, inhibit the psychotic action of a mouse induced by apomorphine and exhibit relatively weak side effect at a mouse rotarod test, thereby being effectively used as a therapeutic and prophylactic agent of central nervous system diseases. A piperazinyl-propyl-pyrazole derivative is represented by a formula(1). In the formula(1), R^1 is C1-10 alkyl, or substituted or unsubstituted aryl or heteroaryl; one of R^2 or R^3 is H, and the other one of R^2 or and R^3 is C1-10 alkyl, benzyl, or substituted or unsubstituted aryl or heteroaryl; each R^4, R^5, R^6, and R^7 is independently H or C1-10 alkyl; each R^8, R^9, R^10, R^11 and R^12 is independently H, halogen, C1-10 alkyl, C1-C10 alkoxy, bis(substituted or unsubstituted aryl)alkylene, benzyl, nitro, hydroxy, cyano, amino, mono- or di-alkylamino, alkylcarbonylamino, aminosulfonyl, mono- or di-alkylaminosulfonyl, alkylcarbonyl, or alkyloxycarbonyl; and a dotted line is a single-bonded line or a double bond, wherein the aromaticity of a pyrazole-ring should be maintained, the aryl is phenyl, the heteroaryl is thiophenyl or pyridyl, and the substituted aryl or heteroaryl is an aryl or a heteroaryl substituted with one to three substituent(s) selected from the group consisting of halogen, nitro, C1-10 alkyl, C1-10 alkoxy, C1-10 haloalkyl, and C1-10 haloalkoxy. A method for preparing the piperazinyl-propyl-pyrazole derivative comprises a step of subjecting a pyrazole aldehyde derivative represented by a formula(2) and a piperazine derivative represented by a formula(3) to a reductive amination reaction. A pharmaceutical composition for treating central nervous system diseases comprise the compound of the formula(1).
Abstract:
The present invention relates to a novel isoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D3 or D4 receptors represented by the following formula (1), and its preparation method through reductive amination reaction in the presence of reducing agent, wherein R1, R2, R3, R4, R5, R6, X and n are the same as defined in the specification.
Abstract:
PURPOSE: Provided are novel isoxazolylalkylpiperazine derivatives having selective activity for dopamine D3 and D4 receptor represented by the formula(1) and their manufacturing method by reductive amination in the presence of a reductant. The derivatives and their pharmaceutically acceptable salts are useful in the treatment of mental illness. CONSTITUTION: The novel isoxazolylalkylpiperazine derivative of the formula(1) is prepared by reacting amine compound represented by the chemical formula(2) with aldehyde compound shown in the chemical formula(3) in the presence of a reductant selected from NaBH(OAc)3, NaBH3CN and NaBH4 in a reductive amination reaction. In the formulae, R1,R2,R3,R4, and R5 are same or different each other and are hydrogen atom, halogen atom, C1-C6 alkyl, C1-C6 alkoxy, C2-C6 alkenyl, hydroxy, hydroxymethyl, aryl, heteroaryl, amino group, C1-C6 alkylamino, carbonyl, C3-C8 cycloalkyl, or C3-C8 heterocyclic group; R6 is hydrogen atom, halogen atom, alkyl, C1-C6 alkoxy, aryl, pyridyl, heterocyclic, pyrimidyl group; X is CH or nitrogen atom; and n is 3 or 4.