Abstract:
Provided are an alkylcarbamoyl naphthalenyloxyoctenoylhydroxyamide derivative which inhibits the enzymatic activity of histone diacetylase effectively, its preparation method, and an antitumor pharmaceutical composition containing the derivative. The alkylcarbamoyl naphthalenyloxyoctenoylhydroxyamide derivative is represented by the formula 1, wherein R1 is independently a C1-C2 alkyl group substituted or unsubstituted with at least one substituent selected from the group consisting of a C1-C3 alkyl group, a hydroxyalkyl group of C1-C2, a haloalkyl group of C1-C2, a piperidinyl group, a morpholinyl group, a cyanomethyl group, a piperazinyl group, a di(C1-C2)alkylamino(C1-C2)alkyl group, a piperidinyl(C1-C2)alkyl group, a morpholinyl(C1-C2)alkyl group, a piperazino(C1-C2)alkyl group, a pyrrolidinyl group and a (C1-C2)alkylpyrrolidinyl group; and R2 is H or a methyl group.
Abstract:
PURPOSE: Provided is an improved process for the preparation of cephalosporin derivatives from (cis)-3-acetoxypropen-cephalosporinic acid in higher yield. CONSTITUTION: The improved process for the preparation of cephalosporin derivative of the formula(1) comprises the steps of: radical reaction of a compound of the formula(5) with benzenthiol and azobisisobutyronitrile as a radical initiator in an organic solvent to convert it into a trans form; continuous reaction of the reaction product with a compound of the formula(10) to obtain a compound of the formula(3); and reaction of the compound of the formula(3) with an acylated compound of the formula(8) and a silylated compound of the formula(9).
Abstract:
PURPOSE: Provided is an improved process for the preparation of cephalosporin derivatives from (cis)-3-acetoxypropen-cephalosporinic acid in higher yield. CONSTITUTION: The improved process for the preparation of cephalosporin derivative of the formula(1) comprises the steps of: radical reaction of a compound of the formula(5) with benzenthiol and azobisisobutyronitrile as a radical initiator in an organic solvent to convert it into a trans form; continuous reaction of the reaction product with a compound of the formula(10) to obtain a compound of the formula(3); and reaction of the compound of the formula(3) with an acylated compound of the formula(8) and a silylated compound of the formula(9).
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:
본 발명은 신규한 6-아미노- N -하이드록시헥산아마이드 화합물 및 약학적으로 허용 가능한 이의 염, 이 화합물의 제조방법, 그리고 이 화합물을 유효성분으로 하는 약학조성물에 관한 것이다. 본 발명의 6-아미노- N -하이드록시헥산아마이드 화합물 및 약학적으로 허용 가능한 이의 염은 히스톤 디아세틸라제의 효소활성을 저해하므로 종양세포의 증식 억제하는 약물로 유용하게 사용될 수 있다. 히스톤 디아세틸라제, 항암, 6-아미노-N-하이드록시헥산아마이드
Abstract:
PURPOSE: A 6-amido-n-hydroxyhexanamide compound is provided to selectively induce the terminal differentiation of tumor cell by effectively inhibiting enzyme activity of histone deacetylase, and to inhibit the proliferation of tumor cell. 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 selected from a single bond or the group of C1-6 alkylenyl; R is amino, C1-6 alkylamino, di(C1-6 alkyl)amino, 5-9-membered aryl, 5-9-membered aryl C1-6 alkyl, 5-9-membered aryl C1-6 alkyloxy, 5-9-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:
본 발명은 하기 화학식 1 의 알킬카바모일 나프탈렌일옥시프로페닐 하이드록시벤즈아마이드 유도체(alkylcarbamoyl naphthalenyloxyprophenyl hydroxybenzamide derivatives), 이의 제조방법 및 이를 유효성분으로 하는 항암제용 약학 조성물에 관한 것으로, 본 발명의 알킬카바모일 나프탈렌일옥시프로페닐 하이드록시벤즈아마이드 유도체는 히스톤 디아세틸라제(histone deacetylase)의 효소활성을 효과적으로 저해하며 종양세포의 증식을 억제하는데 유용하게 사용될 수 있다.
상기 식에서, R 1 은 수소 또는 메틸이고; R 2 는 각각 독립적으로 C 1-3 알킬, 하이드록시C 1-2 알킬, 할로C 1-2 알킬, 피페리디닐, 몰포리닐, 사이아노메틸, 피페라지닐, 다이C 1-2 알킬아미노C 1-2 알킬, 피페리디닐C 1-2 알킬, 몰포리노C 1-2 알킬 및 피페라지노C 1-2 알킬로 구성된 군으로부터 선택된 하나 이상의 치환체로 치환되거나 치환되지 않은 C 1 - 2 알킬이거나; R 1 및 R 2 는 서로 연결되어 그들이 부착된 질소 원자와 함께 몰포리닐, 피페리디닐 또는 피페라지닐 고리를 형성한다.
Abstract:
PURPOSE: Provided is an intermediate, azetidinone compound which is useful in manufacturing beta-methylcarbapenem antibiotics. And its manufacturing method is provided. CONSTITUTION: The intermediate of carbapenem, azetidinone compound, is represented by the formula(1), wherein R is hydrogen or hydroxy protective group, R1 and R2 are individually C1-C15 alkyl, benzyl, represent 5-6 membered cyclic compound to which R1 and R2 are linked, or hetero cyclic group including at least one oxygen or sulfur atom; R3 is lower alkyl group or lower alkylester group; and R4 is benzene, halogen, lower alkyloxy group, or nitro group substituted benzene ring.
Abstract:
본 발명은 하기 화학식 1 의 알킬아미노 나프탈렌일옥시메틸 프로페닐 하이드록시벤즈아마이드 유도체(alkylamino naphthalenyloxymethyl propenyl hydroxybenzamide derivatives), 이의 제조방법 및 이를 유효성분으로 하는 항암제용 약학 조성물에 관한 것으로, 본 발명의 알킬아미노 나프탈렌일옥시메틸 프로페닐 하이드록시벤즈아마이드 유도체는 히스톤 디아세틸라제(histone deacetylase)의 효소활성을 효과적으로 저해하여 종양세포의 증식을 억제하는데 유용하게 사용될 수 있다.
상기 식에서, R 1 은 수소 또는 메틸이고; R 2 는 각각 독립적으로 C 1-2 알킬, 하이드록시C 1-2 알킬, 할로C 1-2 알킬, 피페리디닐, 몰포리닐, 사이아노메틸, 피페라지닐, 다이C 1-2 알킬아미노C 1-3 알킬, 피페리디닐C 1-2 알킬, 몰포리노C 1-2 알킬 및 피페라지노C 1-2 알킬로 구성된 군으로부터 선택된 하나 이상의 치환체로 치환되거나 치환되지 않은 C 1 - 2 알킬이거나; R 1 및 R 2 는 서로 연결되어 그들이 부착된 질소 원자와 함께 몰포리닐, 피페리디닐 또는 피페라지닐 고리를 형성한다.
Abstract:
There is disclosed an azetidinone compound of the formula (I):wherein R is hydrogen, or a hydroxy protecting group, R1 and R2 are each independently alkyl of 1-15 carbon atoms, benzyl or cyclized together with the carbon atom to which they are attached to form a 5 or 6-membered cyclic hydrocarbon or a heterocyclic radical having one or two hetero ring atoms, said hetero ring atoms being selected from the group consisting of O and S; R3 is lower alkyl or -COO(lower alkyl) R4 is phenyl, or phenyl substituted with halogen, lower alkoxy or nitro which is useful as a synthetic intermediate to the 1'beta-methylcarbapenem-type antibacterial agent.