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 하기 화학식 1로 표시되는 3-아미도-1,2-벤조이소옥사졸(3-amido-1,2-benzoisoxazole)유도체, 그의 염, 제조방법 및 용도에 관한 것으로 3-아미도-1,2-벤조이소옥사졸의 아민기에 아미노산 잔기를 도입하여 생체이용률을 개선하는 방법에 관한 것이다. 본 발명의 화합물은 류코트리엔-B-4 (Leukotriene-B-4)의 수용체 길항제, 골 흡수 억제 작용 및 골 형성 촉진 작용을 하는 골다공증의 억제 또는 치료에 유용하게 사용된다.
(상기 식에서, R 1 및 R 2 는 명세서 내에서 정의한 바와 같다.) 벤조이소옥사졸 유도체, 골다공증 치료제
Abstract:
본 발명은 신규 테레프탈산아미드 유도체에 관한 것으로서, 더욱 상세하게는 HIV 및 HBV를 비롯한 각종 바이러스의 증식억제 효과가 우수하여 항바이러스제로서 유효한 다음 화학식 1로 표시되는 신규 테레프탈산아미드 유도체와 그의 약제학적으로 허용가능한 염, 그리고 그의 제조방법에 관한 것이다. [화학식 1]
상기 화학식 1에서, R 1 , R 2 및 R 3 은 발명의 상세한 설명에서 설명한 바와 같다.
Abstract:
PURPOSE: A quinoline carboxylic acid derivative with fluoropyrrolidine substituents and a preparation process thereof are provided. The compound has no toxicity and improved antimicrobial activity to both gram positive and negative bacteria. CONSTITUTION: A quinoline carboxylic acid derivative represented by the formula 1 in which 4-aminomethyl-4-fluoro-3-(Z)-alkoxyiminopyrrolidine is substituted at the 7-site of the quinolone scaffold, pharmaceutically acceptable acid adding salt and solvates thereof are provided. In the formula, Q is C-H, C-F, C-Cl, C-OCH3, C-OCHF2, C-CH3 or N; R is hydrogen, methyl or NH2; R1 is ethyl, cyclopropyl, t-butyl, or at least one fluoro substituted phenyl; R2 is hydrogen, C1-C5 alkyl, cyclopropyl, cyclopropyl methyl, C3-C6 alkenyl, C3-C6 alkynyl, phenyl or benzyl; and R3 or R4 is independently hydrogen, or C1-C3 alkyl, or R3 or R4 is hydrogen or C1-C3 alkyl bound nitrogen containing C3-C5 hetero ring compound. A process for preparing the quinoline carboxylic acid derivative represented by the formula 1 comprises the steps of: (1) reacting a quinolone scaffold compound of the formula 2 with a fluoro containing compound of the formula 3 in the presence of a solvent and a base to prepare a compound of the formula 4; and (2) deprotecting the compound of formula 4 with HX, wherein R3 or R4 is hydrogen; P is hydrogen or amine-protecting group; and X is F or Cl.
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.
Abstract:
PURPOSE: A process for preparing rebamipide is provided, thereby simplifying the preparing process of rebamipide and improving the preparation yield of rebamipide. CONSTITUTION: A process for preparing rebamipide of the formula(1) comprises the steps of: reacting 4-(bromomethyl)-1,2-dihydro-2-quinolinone of formula(2) with diethyl 2-£(4-chlorobenzoyl)amino|malonate of formula(3) to prepare a compound of formula(4); and reacting the compound of formula(4) under basic conditions, wherein R is alkyl having the carbon number of 1 to 6, wherein the diethyl 2-£(4-chlorobenzoyl)amino|malonate of formula(3) is prepared by reacting diethyl 2-aminomalonate hydrochloride with 4-chlorobenzoyl derivative of formula(6); and R is alkyl having the carbon number of 1 to 6 and X is OH or halogen atom.
Abstract:
PURPOSE: Provided is N,N-diisopropyl-4-(7-(4-aminophenoxy)heptoxy)-3-methoxybenzamide(DW1259) which has leukotriene-B4 receptor antagonistic action and has excellent effects on inhibition of bone absorption by effectively inhibiting the function of osteoclast cells. CONSTITUTION: The agent for prophylaxis and treatment of osteoporosis contains an effective amount of N,N-diisopropyl-4-(7-(4-aminophenoxy)heptoxy)-3-methoxybenzamide of formula(1). The compound has an excellent inhibition effect on a differentiation, formation, fusion process and bone absorption function of osteoclast cells, is excellent in an inhibition function of osteoclast cells as compared to any compound such as DW1231, DW1234, DW1166, DW1235 having structural similarity as well as HS-1141 and CGS-25019C and has increased efficacy in increasing the activity of osteoblast cells.
Abstract:
PURPOSE: Provided are a methoxy-1,3,5-triazine derivative which inhibit the growth of Hepatitis C virus(HCV) and a pharmaceutical composition containing the same, therefore it can be useful for the prevention and treatment of hepatitis type B and hepatitis type C. CONSTITUTION: The methoxy-1,3,5-triazine derivative is represented by formula(1) and its pharmaceutically acceptable salt are provided. In the formula(1), R1 is H or C1-C8 alkyl; R2 is H, hydroxy, C1-C4 linear or branched chain alkyl, C1-C3 linear or branched chain alkoxy, C1-C3 hydroxyalkyl, C2-C6 dialkylamino, C3-C6 cycloalkyl, lactam, saturated or unsaturated 5 or 6 atom hetero ring compound optionally substituted with C1-C3 linear or branched chain alkyl substituted or unsubstituted, and containing one or two hetero atom selected from N, O and S; or bicyclo compound containing one or two hetero atom selected from N, O and S; n is an integer of 0 to 4; and R3 is 5-indazolyl or 6-indazolyl. The method for producing the methoxy-1,3,5-triazine derivative comprises the steps of: reacting 2,4-dichloro-6-methoxy-1,3,5-triazine of formula(4) with 5-aminoindazole or 6-aminoindazole of formula(5) in the presence of base to prepare aminoindazole substituted 2-chloro-6-methoxy-1,3,5-triazine derivative of formula(6); and reacting the compound of formula(6) with amine compound of formula(7) in the presence of amine to prepare methoxy-1,3,5-triazine derivative of formula(1).