Abstract:
PURPOSE: Provided are 2-benzothiazole carbapenem derivatives represented by the formula 1, a preparation method thereof and the composition containing the same. The composition has an excellent antibiotic property and is effective against resistant bacteria such as methicillin resistant Staphylococcus Aureus, MRSA and ofloxacin resistant Staphylococcus Aureus(QRSA). CONSTITUTION: In the carbapenem derivatives represented by the formula 1, M is hydrogen or a pair ion forming pharmaceutically allowed salts. The synthetic rout comprises reacting a compound of the formula 2 with a compound of the formula 3 to make a compound of the formula 4, and eliminating the carboxy protecting group from it. In the formula 4, R1 is a hydroxy protecting group such as tert-butyl silyl or triethylsilyl group; R2 is a carboxy protecting group such as p-nitrobenzyl, aryl or p-methoxybenzyl; R3 is an amine protecting group such as aryloxy carbonyl or p-nitrobenzyloxy carbonyl.
Abstract:
PURPOSE: Provided are azetidinone compound of the formula(I) as an intermediate useful for the manufacture of carbapenem antibiotics and a process for the preparation thereof. CONSTITUTION: The azetidine compound is represented by the formula(I). It is useful as an intermediate for the manufacture of beta-methylcarbapenem antibiotics and manufactured by reacting 4-acetoxy-azetidine compound of the formula(II) and alpha-halo propionic acid amide compound of the formula(III).
Abstract:
PURPOSE: Provided is a 1-βmethylcarbapenemcarboxylic acid ester derivative wherein lactam is linked to hydroxymethyl at C-2, which has high antibiotic effects on both gram positive and negative bacteria except for Pseudomonas aeruginosa. Also, its preparation method is provided. CONSTITUTION: 1-βmethylcarbaphenemcarboxylic acid ester derivative is represented by the formula(1), wherein R1 is hydrogen atom or cyclic or noncyclic low alkyl having C1-C4; R2 is pivaloyloxyalkyl, low alkoxycarbonyloxyalkyl or alkyldioxoleneonalkyl having C1-C6; and n is 1-3. It is prepared by reacting 1-βmethylvcarbephenem derivative represented by the formula(2), wherein R1, R2 and n is as described above; R is hydrogen or anion induced from organic or inorganic salt; and X is halogen with halide represented by the formula(3) of X-R2 or sulfonate compound.
Abstract:
본 발명은 하기 일반식 (1)의 페넴 유도체, 이의 제조 방법 및 이를 포함하는 약제학적 조성물에 관한 것으로, 하기 일반식(2)의 포밀페넴 화합물을 R2M과 반응시켜 하기 일반식(3)의 2차 알코올을 얻고, 이 화합물로부터 히드록시 보호기 및 카르복실 보호기를 제거하는 단계를 포함하는 방법에 의해 제조되는 일반식(1)의 화합물은 공지의 베타락탐 항생물질에 내성을 갖는 박테리아에 강력한 항균 효과를 나타내며 안전성이 뛰어나다.
Abstract:
본 발명은 하기 일반식(1)의 β-메틸 카르바페넴 유도체, 이의 제조방법 및 이를 포함하는 약제학적 조성물에 관한 것으로, 하기 일반식(2)의 포밀 카르바페넴 화합물을 위티히 시약과 반응시켜 일반식(3)의 화합물을 얻고, 이 화합물로부터 히드록시 보호기 및 카르복실 보호기를 제거하는 단계를 포함하는 방법에 의해 제조되는 일반식(1)의 화합물은 녹농균을 제외한 그람양성균 및 그람음성균에 대하여 우수한 항균 활성을 나타내며 경구 투여시 높은 흡수율을 나타낸다.
Abstract:
PURPOSE: A compound, or a pharmaceutically acceptable salt, a hydrate, a solvate, or an isomer thereof is provided to ensure high selectivity and physiological activity to HIV-1 and low toxicity, and to treat HIV infection. CONSTITUTION: An antiviral composition contains a compound of chemical formula I, or a racemic body, a stereomer, or a pharmaceutically acceptable salt thereof. A method for preparing the compound of chemical formula I comprises: a step of reacting a compound of chemical formula II with a compound of chemical formula III and preparing a compound of chemical formula IV; and a step of hydrolyzing the compound of chemical formula IV.
Abstract:
An alkylcarbamoyl naphthaleneoxypropenyl hydroxybenzamide derivative, its pharmaceutically acceptable salt, a method for preparing the derivative, and an anticancer pharmaceutical composition containing the derivative are provided to inhibit effectively the enzymatic activity of histone deacetylase and to suppress the proliferation of tumor cells. An alkylcarbamoyl naphthaleneoxypropenyl hydroxybenzamide derivative is represented by the formula 1, wherein R1 is H; and R2 is a C1-C6 alkyl group substituted or unsubstituted with at least one substituent selected from the group consisting of a di-C1-C3 alkylamino group, a pyrrolidinyl group, an oxopyrrolidinyl group, a methoxypyrrolidinyl group, a C1-C3 alkylpiperidinyl group, a morpholinyl group, an imidazolyl group, a methoxy group, an ethoxy group, a tetrahydroxyfuran group, a C3-C8 cycloalkenyl group, a furanyl group and a thiophenyl group, a C1-C6 alkyl group substituted with a fluorophenyl group, a di-C1-C3 alkylaminophenyl group or a methoxyphenyl group, a piperidine group substituted with a C1-C6 alkyl group, or a C3-C8 cycloalkyl group.
Abstract:
본 발명은 하기 화학식 1의 신규한 하이드록시아마이드 유도체 화합물 또는 이의 약학적으로 허용가능한 염, 이의 제조방법 및 이를 함유하는 항암 조성물에 관한 것으로, 본 발명의 화학식 1의 신규 화합물은 항암제와 히스톤 디아세틸라제(histon deacetylase)의 효소활성으로 유발되는 각종 질환의 예방 및 치료제로서 유용하게 사용될 수 있다.
상기 식에서, A는 C=O 또는 CH 2 이고, R 1 은 하이드록시, C 1-5 알킬, C 1-5 알킬옥시, 아릴 옥시, 아릴 아미노, C 1-5 알킬아미노, 사이아노, 사이아노페닐로 치환되거나 치환되지 않은 페닐기; 나프틸기; 할로겐, C 1-5 알킬, C 1-5 알킬옥시, C 1-5 알킬아미노, C 1-5 알킬아미노옥시, C 1-5 알킬아릴아미노, C 1-5 알킬아릴옥시아미노 또는 아릴머캅토로 치환되거나 치환되지 않으며, 고리중에 질소, 황 또는 산소를 포함하는 헤테로아릴기이고, 상기에서 헤테로아릴기는 피페라진, 트라이아졸, 티아졸, 벤조티아졸, 다이벤조퓨란, 피리딘, 퀴놀 린, 또는 아이소퀴놀린이며; R 2 는 하이드록시아미노기이다.