Abstract:
A 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid aspartic acid salt is provided to improve physicochemical properties including solubility and stability as compared to phosphate or hydrochloride thereof, and minimize toxicity, so that the compound is useful as antimicrobial agent in food and medicines. A 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid aspartic acid salt represented by the formula(1) is prepared by reacting 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid with aspartic acid in inert organic solvent selected from ethyl acetate, methanol, ethanol, isopropanol, acetone, acetonitrile, hexane, isopropyl ether and water. An antimicrobial pharmaceutical composition comprises 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid aspartic acid salt, and is formulated as injection. The aspartic acid salt is D-aspartic acid salt, L-aspartic acid salt or racemic mixture thereof.
Abstract:
A process for preparing an intermediate of donepezil having dementia-treating effects is provided to improve preparation yield and convenience of mass production of the intermediate by replacing the base which is difficult to be used industrially. An intermediate of donepezil, 2-[(E)-1-(1-benzyl-4-piperidyl)methylidene]-5,6-dimethoxy-1-indanone represented by the formula(1) is prepared by reacting 1-indanone compound represented by the formula(2) with aldehyde compound represented by the formula(3) by using a base selected from sodium methoxide(MeONa), sodium ethoxide(EtONa), potassium t-butoxide, sodium hydride, sodium hydroxide, potassium hydroxide and sodium amide in a reaction solvent selected from methanol, ethanol, isopropanol, t-butanol, tetrahydrofuran, 1,4-dioxane, diisopropyl ether, dimethylform amide, dimethylsulfoxide and nitromethane.
Abstract:
An imatinib camsylate is provided to be more rapidly absorbed and show higher absorption concentration and excellent solubility in water than those of a commercially available imatinib mesylate in the pharmacokinetic aspect. An imatinib camsylate is represented by the formula(1), wherein HX is D-(+)-camphorsulfonic acid, L-(-)-camphorsulfonic acid or D,L-(±)-camphorsulfonic acid. A method for preparing the imatinib camsylate comprises the steps of: (a) dissolving an imatinib represented by the formula(2) in an organic solvent; (b) dissolving one acid represented by the formula(3) or (4), or an acid which is a mixture of the formula(3) and the formula(4) in a ratio of 1:1 in an organic solvent or adding the acid as it is to the reaction solution obtained from the step(a) to prepare a mixture; (c) filtering a solid extracted by agitating the mixture to form an acid addition salt; and (d) after dissolving the acid addition salt in an organic solvent and re-filtering it to extract crystal, purifying the crystal.
Abstract:
본 발명은 신규한 벤즈아미딘 유도체, 그의 제조방법 및 이를 포함하는 약학 조성물에 관한 것이다. 본 발명의 벤즈아미딘 유도체는 매우 낮은 농도에서 파골세포에 대한 분화를 효과적으로 억제하고 조골세포에 대한 활성이 우수하며 골다공증 동물 모델에서 골량 감소를 현저히 억제하여 골다공증의 예방 및 치료에 유용하게 사용될 수 있다. 또한, 본 발명의 벤즈아미딘 유도체는 골절시 형성된 가골의 소실 및 가골의 골화를 촉진시켜 골절 치료제로 유용하게 사용될 수 있으며, 알러지성 염증 질환의 예방 및 치료에도 유용하게 사용할 수 있다. 벤즈아미딘 유도체
Abstract:
본 발명은 골절 치료용 조성물에 관한 것으로, 상세하게는 N-히드록시-4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}-벤즈아미딘, 4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}-벤즈아미딘 또는 이의 약제학적으로 허용 가능한 염을 포함하는 골절 치료용 조성물에 관한 것이다. 본 발명의 조성물은 가골의 체적을 유의성 있게 감소시키고, 가골의 골밀도 및 골강도를 유의성 있게 증가시키며, 가골 조직내 결합조직 및 연골조직의 함량을 유의성 있게 감소시키고, 골조직 함량을 유의성 있게 증가시킴으로, 골절시 형성된 가골의 소실 및 가골의 골화를 촉진시킨다. 따라서, 본 발명의 조성물은 골절에 대한 치유 촉진제로 유용하게 사용할 수 있다. 골절, 벤즈아미딘
Abstract:
A composition and kit for treatment of prostate cancer comprising the radioisotope-chitosan complex are provided, which radioisotope-chitosan complex is concentrated to a local region administered so as to prevent leakage of radiation, inhibits growth of prostate cancer cells, and minimizes side effects including urinary incontinence, stricture urethra and rectal hematochezia. The composition for treatment of prostate cancer comprises the radioisotope-chitosan complex, wherein the radioisotope emits high energy beta-ray and low energy gamma-ray simulteneously; the radioisotope is selected from 153Sm, 165Dy, 166Ho and 169 Er; and the molecular weight of chitosan is 100,000 to 1,500, 000 dalton. A kit for treatment of prostate cancer comprises a kit A containing 0.5 to 150 mCi of radioisotope and a kit B containing chitosan with molecular weight of 400,000 to 1,300,00 dalton, wherein the chitosan is weak acid chitosan solution; the chitosan solution comprises one or more selected from pH regulating agent, tonicity adjustment agent, preservative and stabilizing agent.
Abstract:
본 발명은 육두구 추출물을 유효성분으로 함유하는 비만 예방 및 치료용 약학 조성물에 관한 것이다. 본 발명은 육두구 추출물에 의해서 고지방 식이의 섭취로 인하여 유발되는 체중증가 억제, 난소주위 지방중량 증가억제 및 주로 지방 세포의 비대에 의해 초래되는 복부지방의 축적을 억제함으로써, 고지방 식이의 섭취에 의해 유발되는 비만 예방 및 치료용 약학조성물로 유용하게 이용될 수 있다. 육두구, 비만
Abstract:
본 발명은 생약재 갈근(Puerariae Radix), 백강잠(Bombycis corpus) 또는 독활(Araliae Continentalis Radix)중에서 1 이상 선택되는 생약 추출물을 함유하는 의약 및 건강기능식품에 관한 것이다. 본 발명에 따른 생약재는 독립적으로 또는 혼합조성물로 하여 신장질환 예방 및 치료 또는 신장기능 개선을 위해 유용하게 이용될 수 있다. 갈근, 백강잠, 독활, 신장질환
Abstract:
PURPOSE: A 2,6-site-substituted 3-nitropyridine derivative compound is provided to suppress formation of osteroclast and to use in preventing and treating osteroporosis. CONSTITUTION: A novel 2,6-substituted 3-nitro derivative compound is denoted by chemical formula 1. A method for manufacturing the 2,6-substituted 3-nitro derivative compound comprises: a step of reating 2,6-dichloro-3-nitropyridine and 5-aminoindazole under the presence of base to prepare 2(1H-indazole-5-yl)amino-6-chloro-3-nitropyridine; and a step of reacting an amine compound of 2-methyl-2-imidazoline, 2-methyl imidazole, 2-isopropylimidazol, or 5-methyl imidazole with 2(1H-indazole-5-yl)amion-6-chloro-3-nitropyridine. A composition for preventing or treating osteoporosis contains the 3-nitropyridine derivative compound or salt thereof.
Abstract:
PURPOSE: A 3-nitropyridine derivative compound which is substituted at 2,6-site is provided to suppress differentiation of osteoclast and to prevent and treat osteoporosis. CONSTITUTION: A 3-nitropyridine derivative compound which is substituted at 2,6-site is denoted by chemical formula 1. A method for preparing the 3-nitropyridine derivative compound comprises: a step of reacting aniline compound of chemical formula 3 with 2,6-dichloro-3-nitropyridine under the presence of base to obtain a 6-chloro-3-nitropyridine derivative compound of chemical formula 4; and a step of reacting amine compound of chemical formula 5 with a compound of chemical formula 4 to obtain the 3-nitropyridine derivative compound. A pharmaceutical composition for preventing or treating osteoporosis contains the 3-nitropyridine derivative or pharmaceutically acceptable salt as an active ingredient.