Abstract:
A novel 1,2,4-thiadiazolidine-3,5-dione compound is provided to show excellent activity and enzyme selectivity on Lck SH2, thereby being usefully used for treating and preventing inflammation related diseases such as rheumatoid arthritis with high selectivity without side effects. A pharmaceutical composition for treating and preventing a disease induced by inflammation comprises a 1,2,4-thiadiazolidine-3,5-dione compound represented by a formula(1) or a pharmaceutically acceptable salt thereof as an effective ingredient. In the formula(1), A is linear or branched saturated or unsaturated C1-7 alkyl, indenyl, (C1-7)alkoxycarbonyl(C1-7)alkyl, phenyl, benzyl or C2H5(C=O)HR2R3(wherein A may be substituted by halogen, carboxyl, C1-7 alkoxycarbonyl, C1-7 alkoxy, nitro or hydroxy when A is alkyl, phenyl or benzyl); R1 is H, linear or branched saturated or unsaturated C1-7 alkyl, (C1-7)alkoxycarbonyl(C1-7)alkyl, phenyl, phenyl(C1-5)alkyl or phenylcarbonylmethyl; and each R2 and R2 is independently H, linear or branched saturated or unsaturated C1-7 alkyl or phenyl, or R2 and R3 may form a ring together with C1-5 alkylene. A pharmaceutical composition for treating and preventing rheumatoid arthritis comprises the 1,2,4-thiadiazolidine-3,5-dione compound of the formula(1) or a pharmaceutically acceptable salt thereof as an effective ingredient.
Abstract:
A novel thiazole derivative is provided to inhibit effectively the enzymatic activity of 5-lipoxygenase(5-LO) acting when an arachidonic acid is converted into a leukotriene metabolite, thereby being used as a prophylactic and therapeutic agent of various inflammatory diseases and cancers. A thiazole derivative is represented by the formula(1), wherein each R1 and R2 is independently H, OR7, NO2, halogen or C1-4 linear, branched, or cyclic alkyl; each R3, R4, R5 and R6 is independently H, CF3, OR7, CO2R7, NR7R8, NO2, NHCOR7, C(=O)R7, SR7, halogen, C1-4 linear, branched or cyclic alkyl(in which each R7 and R8 is independently H, unsubstituted or F-substituted C1-6 linear, branched, or cyclic alkyl, or aryl); X is NH, O, S or SO2; Y is C or N. A method for preparing a thiazole derivative represented by the formula(1a) comprises a step of reacting an acetophenone derivative represented by the formula(2) with an aniline derivative represented by the formula(2) and a thiocyanate salt, wherein the R1 to R6, and Y are same as defined above. A pharmaceutical composition for preventing or treating asthma, chronic obstructive lung disease, arthritis, psoriasis, atopic dermatitis, allergy, enteritis, and cancer comprises the thiazole derivative, or a pharmaceutically acceptable salt thereof, a hydrate, solvate or isomer thereof as an effective ingredient.
Abstract:
An anticancer composition comprising 3-methyl-(O-substituted oximino)-pyrazolin-5-one derivatives is provided, which derivatives inhibit activity of CDC25B enzyme which participates in cell differentiation and is overexpressed in cancer cells. The anticancer composition comprises 3-methyl-(O-substituted oximino)-pyrazolin-5-one derivatives represented by formula (1), and pharmaceutically acceptable salts thereof, wherein R1 is C1-C4 alkyl or substituted phenyl with a substituent that is one or more selected from hydrogen, halogen atom, C1-C4 alkyl, C1-C4 alkoxy, C2-C4 acyl and nitro; and R2 is C1-C4 alkyl, C2-C4 alkenyl, C2-C4 alkynyl, C2-C4 acyl, methanesulfonyl, toluenesulfonyl, C1-C4 alkoxycarbonylmethyl, carboxymethyl or inorganic metal or organic amine salts of carboxymethyl.
Abstract:
PURPOSE: Provided are derivatives of 9-(5-isoxazolinemethoxyphenyl)imino-8-thia-1.6-diazabicylco£4.3.0|nonane-7-one, represented by the formula(1) and herbicides containing them as active ingredients and having excellent herbicidal activity and selectivity when applied to a rice paddy. CONSTITUTION: Derivatives are represented by the formula(1), wherein R is C1-C6 alkyl, phenyl or substituted phenyl, wherein substituents are 1-3 of halogen atom, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 haloalkyl, cyano, nitro, carboxyl and esters of carboxy acid.
Abstract:
PURPOSE: Provided are 5-benzyloxymethyl-1,2-isoxazoline derivatives having an excellent herbicidal activity, its manufacturing method and herbicides containing the derivative as an active ingredient. CONSTITUTION: 5-benzyloxymethyl-1,2-isoxazoline derivative is represented by the formula(I), in which each X1, X2 and X3 represents hydrogen, methyl group, ethyl group, halogen group, methoxy group or nitro group (provided that it is an exception that X1, X2 and X3 are decimals all together); and Y1, Y2 and Y3 are respectively hydrogen or fluorine.
Abstract:
PURPOSE: 2-(5-Isoxazolinyl methyloxyphenyl)-4,5,6,7-tetrahydro-2H-indazole derivatives having herbicidal activity is provided which is useful as herbicides for control of paddy weeds. CONSTITUTION: A herbicidal compound of formula 1, their preparation method and their use as herbicides are described. In formula, X is Cl or hydroxy, R is C1-5 alkyl, substituted or unsubstituted phenyl, cyano, carboxylic acid group, carboxylic acid ester or substituted or unsubstituted hetero. As the compounds have excellent herbicidal activity against paddy weeds comprising ECHOR, SCPJU, MOOVA, CYPSE and SAGPY, and better selectivity, the compounds are typically useful as herbicides for control of paddy weeds in conditions with seeded rice and transferred rice.
Abstract:
본 발명은 방향족 헤테로고리 아민 N-옥사이드의 제조방법에 관한 것으로서, 더욱 상세하게는 다음 구조식(II)로 표시되는 방향족 헤테로고리 아민을 불화수소(HF)수용액 촉매, 디메틸포름아미드와 메탄올 혼합용매하에서 m-클로로과벤조산 산화제로 반응시켜, 짧은시간에 높은 수율로 다음 구조식(I)로 표시되는 방향족 헤테로고리 아민 N-옥사이드를 제조하는 신규 제조방법에 관한것이다.
상기식에서, X및Y는 각각 같거나 다른 것으로서 CH또는 N이며, R은 클로로, 카르복실산, 아미노, 옥소, C 1 ∼ C 4 의 알킬 또는 리보스(ribose)이며, n은 치환기 R의 갯수로서 1내지 3의 정수이다.
Abstract:
The new compound as 5-alkoxy-1-alkyl-3-aryl -1,2,4-triazole (I) and its derivatives is prepared by (1) reacting benzaldehyde and semicarbazide to get benzaldehyde 2-alkylsemicarbazone (II), (2) cycling (II) with bromide to get 1-alkyl-3-aryl -1,2,4-triazole-5-on (III), (3) reacting (III) with methyl 2-bromo propionate to get (I). (I) is useful for soybean to multiply the branches.