Abstract:
Muscarinic receptor antagonists or agents are provided to struggle with the muscarinic receptor, prevent and treat nervous system diseases such as convulsion, Parkinson's disease and epilepsy, and detoxify the poisoning of nerve agents or organophosphate fertilizer. The muscarinic receptor antagonists or agents contain 2-phenyl-2-carboxylic acid derivatives represented by the formula(1) or pharmaceutically acceptable salts thereof as effective ingredients, wherein X is hydrogen, halogen, amino, nitro, C1-C5 linear or branched chain alkyl or C1-C5 alkoxy and is positioned in an ortho-, metha- or para-site; Y is C1-C7 linear or branched chain alkyl; R1 and R2 are each independently C1-C7 linear or branched chain alkyl and form a ring together; and n is an integer from 1 to 4.
Abstract:
A novel substituted-1H-quinazoline-2,4-dione derivative is provided which shows excellent selectivity to a 5-HT6 receptor compared to other receptors, and inhibits the concentration increase of cAMP caused by 5-HT and apomorphine -induced hyperactivity of a rat, thereby being usefully used for central nervous system diseases related to the 5-HT6 receptor. A method for preparing a substituted-1H-quinazoline-2,4-dione derivative represented by the formula(1) comprises the steps of: (a) reacting anthranilic acid anhydride represented by the formula(2) with an amine compound to prepare an intermediate represented by the formula(I); (b) subjecting the intermediate of the formula(I) to cyclization to obtain an intermediate represented by the formula(II); (c) reacting the intermediate of the formula(II) with a compound represented by the formula(5) to prepare the derivative of the formula(1). In the formulae, each R^1, R^2 and R^3 is independently H, halogen, amino, cycloamino, nitro, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, piperazinyl, or N-methyl piperazinyl; R^4 is H, alkyl, cycloalkyl, haloalkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkoxy, aryloxy, acyl amino, arylsulfonylamino, arylsulfonylureido, alkylcarboxylate, arylcarboxylate, aralkylcarboxylate, alkylureido, or arylureido; R^5 is H, alkyl, cycloalkyl, haloalkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl; R^6 is H, alkyl or aryl; X is F, Cl, Br, I or trifluoroacetate; and Y is Cl, Br, I, methane sulfonate, or p-toluenesulfonate. A pharmaceutical composition as an antagonist of 5-HT6 serotonin receptor comprises the compound of the formula(1), a pharmaceutically acceptable salt thereof or a prodrug thereof as an effective ingredient.
Abstract translation:提供了一种新的取代的1H-喹唑啉-2,4-二酮衍生物,其与其他受体相比显示出对5-HT6受体的优异选择性,并且抑制由5-HT引起的cAMP和阿扑吗啡诱导的多动症的浓度增加 大鼠,因此有用地用于与5-HT6受体相关的中枢神经系统疾病。 由式(1)表示的取代的1H-喹唑啉-2,4-二酮衍生物的制备方法包括以下步骤:(a)使式(2)所示的邻氨基苯甲酸酐与胺化合物反应,制备 由式(I)表示的中间体; (b)使式(I)的中间体环化以获得由式(II)表示的中间体; (c)使式(II)的中间体与由式(5)表示的化合物反应以制备式(1)的衍生物。 式中,R 1,R 2和R 3各自独立地为H,卤素,氨基,环氨基,硝基,氰基,烷基,卤代烷基,烷氧基,卤代烷氧基,哌嗪基或N-甲基哌嗪基; 酰基氨基,芳基磺酰基氨基,芳基磺酰基脲基,烷基羧酸酯,芳基羧酸酯,芳烷基羧酸酯,烷基脲基或芳基脲基; R 4是H,烷基,环烷基,卤代烷基,芳基,杂芳基,芳烷基,杂芳基烷基,烷氧基, R 5是H,烷基,环烷基,卤代烷基,芳基,芳基烷基,杂芳基或杂芳基烷基; R 6是H,烷基或芳基; X是F,Cl,Br,I或三氟乙酸盐; Y是Cl,Br,I,甲磺酸盐或对甲苯磺酸盐。 作为5-HT 6 5-羟色胺受体的拮抗剂的药物组合物包含式(1)的化合物,其药学上可接受的盐或其前药作为有效成分。
Abstract:
Provided are a novel 2-phenylindane-2-carboxylic acid ester derivative and its pharmaceutically acceptable salt, a method for preparing the derivative, and an agent for treating or preventing convulsions, Parkinson's disease or epilepsy containing the derivative. A 2-phenylindane-2-carboxylic acid ester derivative is represented by a formula 1, wherein X is H, a halogen atom, an amino group, a nitro group, a substituted or unsubstituted C1-C5 linear or branched alkyl group, or a substituted or unsubstituted C1-C5 alkoxy group; Y is a substituted or unsubstituted C1-C7 linear or branched alkyl group, or a substituted or unsubstituted C3-C7 cycloalkyl group; Z is H, a halogen atom, a substituted or unsubstituted C1-C5 alkyl group, a substituted or unsubstituted C1-C5 alkoxy group, or a substituted or unsubstituted C5-C7 cycloalkyl or aryl group fused with the two carbon atoms adjacent to the benzene ring of the indane ring; and R1 and R2 are independently a substituted or unsubstituted C1-C7 alkyl group, can form a ring together, or can independently form a ring together with Y.
Abstract:
Huperzine-tacrine hybrids and preparing process thereof is provided to improve inhibiting activity of acetylcholine esterase(AChE) associated with occurrence of neurodegenerative disease, and enhance their production yield. The huperzine-tacrine hybrid derivatives represented by the formula(1) having neurodegenerative disease-treating effect are provided, wherein X is hydrogen, halogen group or C1-C6 alkyl group, m is 1 to 3 and n is 1 or 2; and the neurodegenerative disease is dementia. The precursors of the huperzine-tacrine hybrid derivatives represented by the formula(6) are provided. The process for preparing the huperzine-tacrine hybrid derivatives comprises the steps of: (1) treating chloro acrydine represented by the formula(2) with hydroxylamine to prepare hydroxy compounds represented by the formula(3); (2) oxidizing the compounds of the formula(3) with an oxidizing agent selected from pyridinium chlorochromate(PCC), pyridinium dichromate(PDC), Jone's reagent and manganese dioxide to prepare aldehyde compounds represented by the formula(4); (3) condensing the aldehyde compounds of the formula(4) with pyridineamine represented by the formula(5) by using a molecular sieve to prepare immine, and reducing it to prepare compounds represented by the formula(6); and (4) deprotecting the compounds of the formula(6) by using trimethylsilyl iodide(TMSI).
Abstract:
본 발명은 다음 화학식 1로 표시되는 후퍼진(huperzine) B 유도체와 이의 제조방법에 관한 것으로서, 더욱 상세하게는 다음 화학식 2로 표시되는 카르복실산 화합물을 출발물질로 사용하고, C5 위치의 카르복실기를 아민화 및 N -알켄일화하여 다음 화학식 4로 표시되는 화합물을 반응 중간체로 합성한 후에, 이 중간체 화합물을 복분해반응(Ring Closing Metathesis, RCM)한 후에 메틸보호기를 제거하는 일련의 제조과정을 거쳐 합성하게 되는, 다음 화학식 1로 표시되는 후퍼진 B 유도체와 이의 제조방법에 관한 것이다. 본 발명에 따른 상기 화학식 1로 표시되는 화합물은 치매치료 효과가 있는 것으로 잘 알려져 있는 후퍼진 B 화합물의 유도체로서 화합물 그 자체의 의약적 활성이 기대된다.
Abstract:
1-Methyl-[1,2,4]oxadiazol-3- yl-1,2,5,6-tetrahydropyridine derivatives as a muscarinic receptor agonist and a preparation method thereof are provided, which compounds are useful for enhancement of memory, treatment of senile dementia, and prevention and treatment of diseases associated with the central nervous system. The 1-methyl-[1,2,4]oxadiazol-3- yl-1,2,5,6-tetrahydropyridine derivatives represented by formula (1) or pharmaceutically acceptable salts are provided, wherein R is C1-C10 alkyl, C1-C10 alkylamino, amide or 5- or 6-membered aliphatic, aromatic or hetero ring optionally substituted by one selected from halogen atom or C1-C10 alkyl. The method for preparing the 1-methyl-[1,2,4]oxadiazol-3- yl-1,2,5,6-tetrahydropyridine derivatives of formula (1) comprises the steps of: (a) cyclizating N-hydroxy-nicotineamidine of formula (2) and an organic compound of formula (3) to prepare a compound of formula (4); (b) 3-methylating the compound of formula (4) to prepare a compound of formula (5); and (c) reducting the compound of formula (5).
Abstract:
본 발명은 하기 화학식 1의 3-헤테로사이클릭 메르캅토-4-하이드록시퀴놀린-2(1H)-온 유도체, 그 제조방법 및 NMDA 수용체 복합체에 있는 스트리키닌(strychinine) 비감수성 글리신 결합자리에 작용하는 강력하면서 특이성을 갖는 길항제(antagonist)로서의 용도에 관한 것이다. 본 발명의 화합물은 신경퇴행성 질환의 치료 및 예방에 유용하다. 특히, 본 발명의 화합물은 뇌졸증, 저혈당증, 국소빈혈, 심장박동정지, 외상과 같은 빈혈이나 저산소증의 결과로서 야기되는 중추신경계의 손상을 줄이는데 유용하다. 또한, 본 발명의 화합물은 간질, 알츠하이머병, 헌팅톤병 및 파킨슨씨병을 포함하는 만성 신경퇴행성 질환의 예방 및 치료에 유용하다. 또한, 본 발명의 화합물은 항경련제, 진통제, 항우울증 치료제, 항불안치료제 및 항정신분열증 치료제로 사용된다.
Abstract:
본 발명은 하기 화학식 1의 4-(3-치환-프로필옥시)-퀴놀린-2-카복실산 유도체, 그 제조방법 및 NMDA 수용체 복합체에 있는 스트리키닌 (strychinine) 비감수성 글리신 결합자리에 작용하는 강력하면서 특이성을 갖는 길항제 (antagonist)로서의 용도에 관한 것이다. 본 발명의 화합물은 신경퇴행성 질환의 치료 및 예방에 유용하다. 특히, 본 발명의 화합물은 뇌졸증, 저혈당증, 국소빈혈, 심장박동정지, 외상과 같은 빈혈이나 저산소증의 결과로서 야기되는 중추신경계의 손상을 줄이는데 유용하다. 또한, 본 발명의 화합물은 간질, 알츠하이머병, 헌팅톤병 및 파킨슨씨병을 포함하는 만성 신경퇴행성 질환의 예방 및 치료에 유용하다. 또한, 본 발명의 화합물은 항경련제, 진통제, 항우울증 치료제, 항불안 치료제 및 항정신분열증 치료제로 사용된다.
Abstract:
본 발명은 하기 화학식 1의 3-아릴티오-4-하이드록시퀴놀린-2(1H)-온 유도체, 그 제조방법 및 NMDA 수용체 복합체에 있는 스트리키닌 (strychinine) 비감수성 글리신 결합자리에 작용하는 강력하면서 특이성을 갖는 길항제 (antagonist)로서의 용도에 관한 것이다. 본 발명의 화합물은 간질, 알츠하이머병, 헌팅톤병 및 파킨슨병을 포함하는 만성 신경퇴행성 질환의 예방 및 치료에 유용하다. 또한 본 발명의 화합물은 뇌졸증, 저혈당증, 국소빈혈, 심장박동정지, 외상과 같은 빈혈이나 저산소증의 결과로서 야기되는 중추신경계의 손상을 줄이는데 유용하다. 또한, 본 발명의 화합물은 항경련제, 진통제, 항우울증 치료제, 항불안 치료제 및 항정신분열증 치료제로 사용된다. [화학식 1]