Abstract:
PURPOSE: Provided are novel 1 β-Methylcarbapenem derivatives and their preparation process, which derivatives show stability to dihydropeptidase-I, and have antibacterial effects on both gram positive and gram negative bacteria. Thus, they are used as antibacterial agents. CONSTITUTION: Novel 1 β-Methylcarbapenem derivatives have substituted 5-(2-isoxazolyl ethenyl)pyrrolidine-3-thio or 5-(2-isothiazolyl ethenyl)pyrrolidine-3-thio group as a main functional group at 1-beta methylcarbapenem represented by the formula(1). A pharmaceutical composition for an antibacterial agent contains the 1 β-Methylcarbapenem derivatives, as active ingredients. In the formula(1), R is described as in the description and has cis- or trans stereomer, X is hydrogen, methoxycarbonyl, hydroxymethyl, methylaminomethyl, C1-C4 alkoxy or halogen atom, and Y is hydrogen or halogen atom.
Abstract:
본 발명은 일반식(I)로 표시되는 신규한 카바페넴 유도체 및 이들의 제조 방법에 관한 것이다. 이의 제조는 일반식(II)로 표시되는 카바페넴 모핵을 염기 존재하에 디페닐클로로포스페이트 또는 무수 트리플루오로메탄술폰산과 반응시켜 일반식(VII)로 표시되는 카바페넴 중간체를 제조하고, 이를 일반식(III)으로 표시되는 티올 유도체와 반응시켜 일반식(I)의 카바페넴 유도체를 제조하는 것으로, 이는 유용한 항생제로 사용할 수 있다.
Abstract:
PURPOSE: A pharmaceutical composition containing a novel 1-(4-halophenyl oxo or thio)-3-(4-substituted piperazine-1-yl)propane-2-ol derivative is provided to effectively suppress T type calcium channel activation and to prevent or treat hypertension, cancer, epilepsy, and neurogenic pain. CONSTITUTION: A novel 1-(4-halophenyl oxo or thio)-3-(4-substituted piperazine-1-yl)propan-2-ol derivative is denoted by chemical formula 1. A method for preparing the compound of chemical formula 1 comprises: a step of reacting a compound of chemical formula 2 with chiral epichlorohydrin under the presence of a base and solvent to prepare an epoxy compound of chemical formula 3; and a step of reacting the epoxy compound of chemical formula 3 with piperazine derivative of chemical formula 4. The base is potassium carbonate, sodium carbonate or pyridine. A pharmaceutical composition for preventing or treating diseases caused by overactivation of T type calcium channel contains the derivative or pharmaceutically acceptable salt thereof as an active ingredient.
Abstract:
본 발명은 칼슘이온 채널 조절제로서 유효한 피라졸릴메틸아민-피페라진 유도체 및 이의 약제학적으로 허용 가능한 염, 이들 화합물의 제조방법, 그리고 이 화합물이 갖는 칼슘이온 채널 억제 효과에 의한 질환 치료제로 사용하는 의약적 용도에 관한 것이다. 피라졸릴메틸아민-피페라진 유도체, 칼슘이온 채널 조절제, 뉴런, 탈분극화, 급성통증, 만성통증, 신경병증성 통증, 고혈압치료제
Abstract:
본 발명은 하기 화학식 1로 표시되는 신규 3-페녹시-4-파이론, 3-페녹시-4-피리돈 또는 4-피리돈 유도체, 또는 이의 약학적으로 허용가능한 염, 이의 제조방법 및 이를 유효성분으로 함유하는 항균 조성물에 관한 것으로, 본 발명에 따른 신규 3-페녹시-4-파이론, 3-페녹시-4-피리돈 또는 4-피리돈 유도체를 함유하는 조성물은 박테리아 지방산 생합성 효소인 에노일-ACP 환원효소(FabI)를 효과적으로 억제하므로 항균제로서 유용하게 사용될 수 있다. [화학식 1] . (상기 화학식 1에서, 상기 X, Y, R 1 및 R 2 는 본 명세서에서 정의된 바와 같다.) 박테리아 지방산 생합성, 3-페녹시-4-파이론, 3-페녹시-4-피리돈 또는 4-피리돈, 항균, 에노일-ACP 환원효소, FabI
Abstract:
PURPOSE: A pyrazolylmethylamine-piperazine derivative which is effective as a calcium ion channel modulator is provided to ensure effective activation as an T-type calcium ion channel antagonist and to use as an agent for preventing and treating brain diseases, heart diseases and pain diseases. CONSTITUTION: A pyrazolylmethylamine-peperazine derivative is denoted by chemical formula 1. A pharmaceutical composition for preventing and treating brain diseases, heart diseases or pain diseases by T-type calcium ion channel antagonism contains the pyrazolylmethylamine-peperazine derivative of chemical formula 1 or its pharmaceutically acceptable salt an active ingredient. The brain disease is epilepsy, depression, Parkison's disease, dementia or somnipathy. The heart disease is hypertension, cardiac arrhythmia, myocardial infarction, or congestive failure. The pain disease is chronic pain, acute pain, or neurogenic pain. The pyrazolylmethylamine-peperazine derivative is prepared by binding pyrazolylmethylamine compound of chemical formula 3 with piperazine acetyl halide compound of chemical formula 2.
Abstract:
본 발명은 신규한 피라졸릴카르복스아미도알킬피페라진 유도체와 이의 제조방법 및 이 화합물이 갖는 칼슘이온 채널 억제 효과에 의한 질환 치료제로 사용하는 의약적 용도에 관한 것이다. 피라졸릴카르복스아미도알킬피페라진 유도체, 칼슘이온 채널 억제제, 뉴런, 틸분극화, 급성통증, 만성통증, 신경병증성 통증, 항암제, 고혈압치료제
Abstract:
A pharmaceutical composition comprising 1,2-di[2-methoxy-4-(2-carboxylvinyl)]phenoxyethane is provided to protect dopaminergic nerve cells from toxic materials including 1-methyl4-phenylpyridinum(MMP^+), tetrahydrobiopterin(BH4), hydrogen peroxide(H2O2), 1-methyl-4-phenyl-1,2,4,6-tetrahydropyridine, so that the composition is useful for prevention and treatment of Parkinson's disease. A pharmaceutical composition for prevention and treatment of Parkinson' s disease comprises 1,2-di[2-methoxy-4-(2-carboxylvinyl)]phenoxyethane represented by the formula(1) which is prepared by reacting hydroxybenzaldehyde represented by the formula(2) with ethyleneglycol detosylate represented by the formula(3) in the presence of base to prepare benzaldehyde dimmer represented by the formula(4); and reacting the benzaldehyde dimmer represented by the formula(4) with malonic acid at 80-100 deg. C for 2-6 hours, or its pharmaceutically acceptable salts.
Abstract:
A preparing method of chromone-3-carboxyl acid derivatives is provided to improve preparation yield and reduce the preparation time by preparing various derivatives in each step through a series of reactions without purification by using parallel combinatorial chemistry in solution phase. A preparing method of chromone-3-carboxyl acid derivatives represented by the formula(1) comprises the steps of: o-acetylsalicylic acid chloride represented by the formula(2) with tertiary butoxycarbonylmethylene triphenylphosphorane represented by the formula(7) in the presence of catalyst to prepare phosphorane compound represented by the formula(3); deacetylating the phosphorane compound represented by the formula(3) in the presence of base to prepare compounds represented by the formula(4); reacting the compounds represented by the formula(4) with an excessive amount of acid chloride in the presence of base and catalyst to prepare compounds represented by the formula(5); preparing compounds represented by the formula(6) from the compounds represented by the formula(5) through Wittig reaction; and deesterifying the compounds represented by the formula(6) under acid condition to remove tertiary butyl group, wherein R1 is hydrogen, chlorine, bromine, methoxy group or methyl group, and R2 is aromatic group or hetero aromatic group substituted by chloride, fluorine, methoxy group, methyl group or hydroxy group.
Abstract:
PURPOSE: Carbapenem derivatives and a preparation process thereof are provided, thereby preparing carbapenem derivatives having improved antimicrobial activity and renal dehydropeptidase I(DHP-I) stability. CONSTITUTION: Carbapenem derivatives represented by formula(I) are provided, wherein R1 and R2 are independently hydrogen, hydroxy substituted or unsubstituted C1 to C5 lower alkyl, or allyl, and form C3 to C6 heterocycle containing nitrogen and optionally hetero atoms of S or O together; and X is carbonyl or sulfonyl. A process for preparing the carbapenem derivatives of formula(I) comprises the steps of: reacting carbapenem scaffold of formula(II) with diphenylchloro phosphate or anhydrous trifluoromethane sulfonic acid in the presence of base and a solvent to prepare a carbapenem intermediate of formula(VII); reacting the carbapenem intermediate of formula(VII) with thiol derivative of formula(III) in the presence of base and a solvent to prepare a protected carbapenem derivative of formula(VIII); and hydrogenating the protected carbapenem derivative of formula(VIII) in the presence of a catalyst to remove a protecting group, wherein R3 is para-nitrobenzyl or allyl; R4 is para-nitrobenzyloxycarbonyl or allyoxycarbonyl; X is carbonyl or sulfonyl; and Y is -OPO(OPh)2 or -OSO2CF3.