Abstract:
본 발명은 하기 화학식 1의 벤즈히드록시아미드 유도체, 이의 제조방법 및 이를 함유하는 항암 조성물에 관한 것으로, 본 발명의 벤즈히드록시아미드 유도체는 히스톤 디아세틸라제의 효소활성을 효과적으로 억제하여 종양세포의 증식을 억제할 수 있다.
상기 식에서, R 1 및 R 2 는 각각 독립적으로 히드록시, 할로겐, 알킬옥시, 알킬, 아미노, 알킬아미노, 카르복실 및 니트로로 이루어진 군으로부터 선택된 하나 이상의 치환체로 치환되거나 치환되지 않은, 아릴 또는 헤테로아릴이고, 이때 상기 헤테로아릴은 고리 중에 질소 또는 산소를 하나 이상 포함한다.
Abstract:
PURPOSE: Benzoxazine derivatives and a preparation method thereof are provided, which compounds have inhibitory activity against histone deacetylase which removes an acetyl group from the lysine tail in the N-terminal of histone to selectively induce the terminal differentiation of the tumor cells, so that the compounds can effectively inhibit growth of tumor cells. CONSTITUTION: The benzoxazine derivatives represented by formula (1) are provided, wherein R1 is aryl, heteroaryl or C3-C8 cycloaryl which is optionally substituted with one or more substituents selected from hydroxy, halogen, alkyloxy, alkyl, amino, alkylamino, carboxyl, nitro, amide and sulfone in which the heteroaryl contains one or more elements selected from nitrogen, sulfur and oxygen in a ring; R2 is hydrogen or arylalkyl; A is O, S, CH2, sulfone(SO2), sulfoxide(SO), CONH, NHCO, NX or NXSO2 in which X is hydrogen, C1-5 alkyl or independently the same as R1; and n is 0, 1, 2 or 3. The method for preparing compounds of formula (2) comprises the steps of: (a) acylation reacting 2-bromo arylalkyl carboxylic acid of formula (6) with hydroxyamino benzoic ester of formula (7) in aprotic solvent to prepare compounds of formula (8); (b) cyclization of the compounds of formula (8) in the presence of inorganic salt to prepare benzoxazine ester of formula (9); (c) treating the benzoxazine ester of formula (9) with hydroxide salt to prepare an organic acid of formula (10); (d) acylation reacting the organic acid of formula (10) with the protected hydroxyl amine in aprotic solvent to prepare compounds of formula (11); and (e) hydrogenating the compounds of formula (11) in the presence of palladium, wherein Y is O, S, CH2, SO2, SO or NX.
Abstract:
PURPOSE: Provided are carbapenem derivatives represented by formula(1) and a preparation method thereof. The carbapenem derivatives have antibacterial activity against the resistant strains such as methicillin resistant Staphylococcus aureus(MRSA) and resistant strain against Ofloxacin. CONSTITUTION: The method of preparation comprises: reacting a compound of formula(2) with a compound of formula(3) to make an ester derivatives of carbapenem represented by formula(4); and de-protecting carboxy group and hydroxy group. In formula(1), X is S or O atom; Y is hydrogen or halogen atom on a certain location in phenyl group, or C1-2 alkoxy group; M is hydrogen atom or a pair ion forming a pharmaceutically allowable salt. In formula(2,3 and 4), R1 is hydrogen atom or hydroxy protecting group; R2 is carboxy protecting group; X is S or O atom; Y is hydrogen or halogen atom on a certain location in phenyl group.
Abstract:
PURPOSE: Carbapenem derivatives with antibacterial activity against antibiotics resistant bacteria and a preparation method thereof are provided, which carbapenem derivatives are useful for treating the infection of hardly treating antibiotics resistant bacteria. CONSTITUTION: The carbapenem derivatives with antibacterial activity against antibiotics resistant bacteria represented by formula (1) or pharmaceutically acceptable salts are provided, wherein X is sulfur or nitrogen atom; Y is hydrogen, nitro or amine present in a certain site of phenyl group; M is hydrogen or ion counterpart forming the pharmaceutically acceptable salts; and the antibiotics resistant bacterium is methicillin resistant Staphylococcus Aureus(MRSA) or ofloxacin Staphylococcus Aures(ORSA). The method for preparing the carbapenem derivatives of formula (1) comprises the steps of: reacting a compound of formula (2) with a compound of formula (3) to carbapenem ester derivatives of formula (4); and removing carboxy protecting group, amine protecting group and hydroxy protecting group from the compound of formula (4), wherein R1 is hydrogen or hydroxy protecting group; R2 is carboxy protecting group; and R3 is amine protecting group.
Abstract:
본 발명은 그람 양성균은 물론 녹농균을 제외한 그람 음성균에 대하여 우수한 항균 작용을 나타내는, 하기 화학식 1a 또는 화학식 1b로 표시되는 카르바페넴 유도체 화합물, 이의 제조 방법 및 이를 포함하는 약제학적 조성물을 제공한다.
식 중, R은 수소, 카르복실 음이온, 카르복실 보호기, 또는 제약학상 허용가능한 무기 또는 유기염이고, R 1 은 수소 또는 히드록시 보호기이며, R 2 는 C 1 내지 C 5 의 시클릭 또는 비시클릭 저급 알킬기 또는 방향족 알킬기이거나, 또는 질소, 황 및 산소로 이루어지는 군으로부터 선택된 1개 이상의 헤테로 원자를 함유하는 모노 또는 비시클릭, 포화 또는 불포화 고리인, 임의 치환된 헤테로시클릭 라디칼이고, R 3 은 수소, C 1 내지 C 5 의 시클릭 또는 비시클릭 저급 알킬기, 카르바모일기 또는 아세틸기이다.
Abstract:
The invention is related to new carbaphenem derivatives for preparing of 1-.beta.-methyl-carbaphenem derivatives as a intermediate of carbaphenem compound which has excellent and strong antiviral activity. The derivatives may be prepared by the method using Collin's reagent, the method using Corey's reagent, PDC method, PCC method and Swern oxidation method. According to Swern method, the derivatives are prepared in more than 85% yield.
Abstract:
본 발명은 다음 일반식 (I)로 표시되는 1-β-메틸-카바페넴 유도체를 제공하기 위한 것이다.
상기식에서, R 1 은 수소 또는 히드록시 보호기로써 하기 일반식 (II)로 표시된다.
(상기 식에서, R 3 , R 4 , R 5 는 동일 또는 상이할 수 있으며, 각각 C 1 ~C 4 의 저급 알킬기를 나타내고, R 3 , R 4 , R 5 가 동일한 경우에는 메틸 또는 에틸기가 가장 바람직하며, 다른 경우에는 메틸기와 t-부틸기가 조합된 형태가 가장 바람직하다.)R 2 는 수소 또는 카르복시기 보호기, 바람직하기로는 알릴, 4-메톡시 벤질, 4-니트로 벤질기를 나타낸다.
Abstract:
PURPOSE: A 6-amino-N-hydroxyhexanamide compound is provided to ensure strong cell proliferation inhibitory power by inhibiting enzyme activity of histone deacetylase, thereby enabling use as anti-cancer drug or enzyme activity inhibitory agent of histone deacetylase. CONSTITUTION: A compound is selected from a 6-amido-N-hydroxyhexanamide compound represented by chemical formula 1 and pharmaceutically acceptable salts thereof. In chemical formula 1, X is a single bond or selected from the group of C1-6 alkylenyl; and R is hydroxy, C3-8 cycloalkyl, C3-8 cycloalkenyl, C1-6 alkoxy, amino, C1-6 alkylamino, di(C1-6 alkyl)amino, 5-7-membered aryl, 5-7-membered heteroaryl including 1-3 hetero atoms selected from N and O, and 5-7-membered heterocycloalkyl including 1-3 hetero atoms selected from N and O.
Abstract:
An alkylamino naphthalenyloxymethyl propenyl hydroxybenzamide derivative is provided to obtain a pharmaceutical composition having an anti-cancer effect by inhibiting activity of histone deacetylase, inducing differentiation of tumor cells and inhibiting growth of tumor cells. An alkylamino naphthalenyloxymethyl propenyl hydroxybenzamide derivative is represented by the following formula 1. In formula 1, R1 is H or a C1-C3 alkyl; R2 is a C1-C6 alkyl non-substituted or substituted with a substituent selected from the group consisting of di-C1-C3 alkylamino, C1-C4 alkylpyrrolidinyl, morpholinyl, imidazolyl, methoxy and thiophenyl, a C1-C6 alkyl substituted with hydroxyphenyl, di-C1-C3 alkylaminophenyl, methoxyphenyl or trifluoromethoxyphenyl, pyrrolidine non-substituted or substituted with C1-C3 alkyl, C3-C8 cycloalkyl, C3-C8 cycloalkyl C1-C3 alkyl, benzyl or C3-C8 cycloalkylcarbonyl, piperidine substituted with a C3-C8 cycloalkyl or C1-C6 alkyl, or a C3-C8 cycloalkyl, with the proviso that when R1 is H or CH3, R2 is not non-substituted C1-C2 alkyl and morpholinyl-substituted C1-C2 alkyl.