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:
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 플라보노이드 계열 화합물 또는 이를 포함하는 강진향 추출물을 함유한 매트릭스 메탈로프로테이나제 활성 저해제 및 기능성 식품에 관한 것으로, 더욱 구체적으로 강진향으로부터 추출 및 정제하여 얻은 피세틴, 3'-히드록시다이드제인 또는 그들을 함유한 강진향 추출물은 매트릭스 메탈로프로테이나제 활성을 저해시키는 효과를 나타내고, 또한 독성이 적어 매트릭스 메탈로프로테이나제 활성에 의해 야기되는 질병치료제 및 기능성 식품으로서 유용하게 사용될 수 있다. 강진향, 추출물, 매트릭스 메탈로프로테이나제, 플라보노이드
Abstract:
본 발명은 생체이용률이 우수한 N-히드록시-4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}벤즈아미딘 2 메탄술폰산염, 그의 제조방법 및 그를 포함하는 약제학적 조성물에 관한 것이다. N-히드록시-4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}벤즈아미딘 2 메탄술폰산염
Abstract:
본 발명은 방사성물질-키토산 복합체를 유효성분으로 포함하는 전립선암 치료용 조성물 및 그 조성물 제조용 키트에 관한 것으로서, 보다 상세하게는 베타선을 방출하는 치료용 방사성 물질과 키토산을 포함하는 방사성물질-키토산 복합체를 유효성분으로 포함하는 전립선암 치료용 조성물 및 그 조성물 제조용 키트에 관한 것이다. 전립선 암조직에 직접 투여된 방사성물질-키토산 복합체는 투여 부위내에 집적되어 표적부위 이외로는 방사능이 누출되지 않고, 전립선 암세포의 성장을 탁월하게 억제하며, 기존의 치료법이 갖는 부작용인 요실금, 요도협착, 직장출혈 등을 최소화하고 또한 호르몬요법을 시행할 수 없는 호르몬 비의존성 전립선암에 대해서도 효과적인 치료제로 사용될 수 있다.
Abstract:
본 발명은 신규의 3-니트로피리딘 유도체, 그의 제조방법 및 그를 포함하는 약학적 조성물에 관한 것으로서, 구체적으로 비핵산계 화합물인 하기 화학식 1로 표시되는 3-니트로피리딘 유도체는 HBV (Hepatitis B Virus) 증식 뿐만 아니라 HIV (Human Immunodeficiency Virus) 증식을 억제하는 효과를 나타내므로 B형 간염 및 후천성 면역 결핍증의 치료제 및 예방제로서 유용하게 사용될 수 있다.
Abstract:
PURPOSE: A matrix metalloproteinase inhibitor and functional food containing flavonoid derivatives or extracts of Dalbergia odorifera containing the flavonoid derivatives are provided, thereby effectively treating diseases associated with matrix metalloproteinase. CONSTITUTION: Extracts of Dalbergia odorifera containing fisetin of formula 1 and 3'-hydroxydidzein of formula 2 are prepared by dissolving pulverized Dalbergia odorifera in a solvent selected from methanol, a mixed solvent of methanol and water and ethylacetate, filtering the solution, and concentrating the filtered solution under reduced pressure. A fraction of Dalbergia odorifera containing fisetin and 3'-hydroxydidzein is prepared by dissolving Dalbergia odorifera in methanol or a mixed solvent of water and methanol, filtering the solution, adding ethylacetate or butanol into the filtered solution, filtering the solution, and concentrating the filtered solution under reduced pressure.