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:
본 발명은 결명자 추출물 또는 이로부터 분리된 에모딘(emodin)을 포함하는 미백용 피부 외용 조성물에 대한 것으로서, 보다 구체적으로 본 발명에 따른 결명자 추출물 및 이로부터 분리된 에모딘은 자외선에 의한 멜라닌 합성의 촉진과 관련된 신호전달에서 중요하게 관여하는 c-Kit 활성을 저해함으로써, 멜라닌 세포의 성숙 및 분화를 저해할 뿐만 아니라 멜라닌 색소의 합성을 저해하는 효과가 있기 때문에 피부 톤을 밝게 하는 피부 미백, 및 자외선, 호르몬, 유전에 기인한 기미와 주근깨 등의 피부 과색소 침착증 예방 및 치료를 목적으로 하는 미백용 피부 외용 조성물 뿐만 아니라 c-Kit 저해제 및 멜라닌 생성 저해제로 유용하게 사용될 수 있다. 결명자, 에모딘, c-Kit
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:
본 발명은 5HT6 수용체 길항제로 작용하는 3-아릴-3-메틸-퀴놀린-2,4-디온 화합물, 약학적으로 허용 가능한 이의 염, 이의 제조방법 및 이를 함유하는 중추신경계 질환 치료용 약학적 조성물에 관한 것으로 본 발명의 3-아릴-3-메틸-퀴놀린-2,4-디온은 5HT6 수용체에의 결합력이 우수하고, 다른 수용체에 대한 5HT6 수용체에의 선택성이 뛰어나 5HT6 수용체와 관련된 질환의 치료에 유용하게 사용될 수 있다.
Abstract:
PURPOSE: 1,2,5,6/1,2,3,6- Tetrahydropyridinyltetrahydrocyclopenta/-hexaisoxazole derivatives and a method for preparing the same are provided. The compounds are useful for treatment of dementia and brain disease as muscarinic receptor agonist and operated as tetrahydropyridine bioisostere. CONSTITUTION: 1,2,5,6/1,2,3,6- Tetrahydropyridinyltetrahydrocyclopenta/ -hexaisoxazole derivatives are represented by the formula(1), wherein X is CH2, O or S; n is an integer of 1 or 2; HA is inorganic or organic salt selected from HCl, oxalic acid, p-toluenesulfonic acid, tartaric acid and fumaric acid. A method for preparing the 1,2,5,6/1,2,3,6- Tetrahydropyridinyltetrahydrocyclopenta/-hexaisoxazole derivatives comprises the steps of: (a) adding NaOCl to 3/4-pyridinealdoxime of the formula(2) and cyclopentene/-hexene derivatives in a solvent and cyclizing them to prepare a compound of the formula(4); (b) reacting the compound of the formula(4) with CH3I to prepare 3/4-substituent isomer of the formula(5); and (c) reducing the compound of the formula(5) and adding inorganic and organic acids into the reduced compound.
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.
Abstract:
PURPOSE: Provided are a 1,2,3,4-tetrahydropyrimidine derivative represented by the formula(1), which is useful as a muscarinic receptor agonist in treating imbecility, a pharmaceutically acceptable salt and method for preparation thereof. CONSTITUTION: The 1,2,3,4-tetrahydropyrimidine derivative is represented by the formula(1), wherein R is H, -CH3, -CH2CH3, -CH2(CH2)3CH3, -CH2CH=CH2, CH2C≡CH, C6H5CH2, P-CH2C6H4CH3, P-CH2C6H4-Cl. It is prepared by the following steps of: (a) condensing 5-pyrimidinecarboxylaldehyde represented by the formula(2) and hydroxylamine, to produce compound represented by the formula(3), wherein R1 is -H or -CH3; (b) condensing a compound represented by the formula(3), wherein R1 is H and a compound represented by R2-X, to produce compound represented by the formula(4), wherein R2 is -CH2CH3, -CH2(CH2)3CH3, -CH2CH=CH2, CH2C≡CH, C6H5CH2, P-CH2C6H4CH3, P-CH2C6H4-Cl and X is halogen; (c) methylating a compound represented by the formula(3) or a compound represented by the formula(4) and CH3I, to produce a compound represented by the formula(5), wherein R is H, -CH3, -CH2CH3, -CH2(CH2)3CH3, -CH2CH=CH2, CH2C≡CH, C6H5CH2, P-CH2C6H4CH3, P-CH2C6H4-Cl; and (d) reducing a compound represented by the formula(5) and NaBH4, to produce 1,2,3,4-tetrahydropyrimidine derivative represented by the formula(1), wherein R is H, -CH3, -CH2CH3, -CH2(CH2)3CH3, -CH2CH=CH2, CH2C≡CH, C6H5CH2, P-CH2C6H4CH3, P-CH2C6H4-Cl.