Abstract:
본 발명은 레바미피드의 제조방법에 관한 것으로서, 4-(브로모메틸)-1,2-디히드로-2-퀴놀리논과 디에틸 2-[(4-클로로벤조일)아미노]말로네이트를 반응시켜 생성된 반응중간체를 염기성 화합물로 처리하여 다음 화학식 1로 표시되는 레바미피드를 합성하는 방법으로서, 종래 방법이 수행하는 아미노기 보호반응 및 탈보호반응을 생략할 수 있고, 또한 반응중간체를 염기성 화합물로 처리하여 가수분해 반응과 탈탄산반응을 한 번의 공정으로 수행하는 등 전체적인 반응공정이 단순화되면서도 제조수율도 크게 향상된 효과를 가지는 레바미피드의 개선된 제조방법에 관한 것이다. [화학식 1]
Abstract:
본 발명은 기존의 퀴놀론계 항생제에 비해 우수하고도 광범위한 항균활성을 갖는 퀴놀론카르복실산 유도체에 관한 것으로서, 더욱 상세하게는 7-[8-(알콕시이미노)-2,6-디아자스피로[3.4]옥트-6-일]의 유도체를 치환체로 갖는 다음 화학식 1로 표시되는 신규한 퀴놀론카르복실산 유도체, 이의 약제학적으로 허용가능한 염, 이의 이성질체 및 이의 제조방법에 관한 것이다. [화학식 1]
상기 화학식에서, A는 CH, CF, C-Cl, CO-CH 3, 또는 N이고, Y는 수소 또는 아미노이고, R 1 은 사이클로프로필 또는 2,4-디플루오로페닐이고, R 2 는 C 1-4 의 저급알킬이고, R 3 은 수소 또는 C 1-4 의 저급알킬이다.
Abstract:
본 발명은 광학활성의 퀴놀린 카르복실산 유도체, 이의 약학적으로 허용되는 염, 이의 용매화물 및 이의 제조방법에 관한 것으로, 구체적으로 본 발명은 퀴놀론 모핵의 7-위치에 광학활성을 유발하는 4-아미노메틸-4-메틸-3-(Z)-알콕시이미노피롤리딘 치환체를 갖는 광학활성의 퀴놀린 카르복실산 유도체에 관한 것으로, 본 발명의 화합물은 그의 거울상 이성질체, 라세믹 혼합물 및 기존의 항균제에 비하여 항균 효과가 매우 우수하고 약동력학적 특성이 우수할 뿐만 아니라 광독성도 거의 나타내지 않기 때문에 항균제로서 효과적으로 사용될 수 있다.
Abstract:
본 발명은 류코트리엔-B 4 (Leukotriene-B 4 ; 이하 "LTB-4"로 약칭한다)의 수용체 길항작용을 갖는 것으로 알려진 하기 화학식 1로 표시되는 4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}-벤즈아미딘 또는 N-히드록시-4-{5-[4-(5-이소프로필-2-메틸-1,3-티아졸-4-일)페녹시]펜톡시}-벤즈아미딘의 골다공증의 예방 및 치료제로서의 용도에 관한 것이다. [화학식 1]
Abstract:
PURPOSE: Provided are a novel sulfonyl-imidazolone derivative of the formula(1) and its pharmaceutically acceptable salt, a manufacturing method thereof and an anti-tumor composition containing the same as an active ingredient. CONSTITUTION: The 4-phenyl-1-(indolin-5-sulfonyl)-2-imidazolone derivative is represented by the formula(1), wherein R is chloroacetyl, C1-C5 alkylamino acetyl, C1-C4 alkoxy carbonyl. benzoyl, nitrobenzoyl, aminobenzoyl, ethoxybenzoyl, chlorobenzoyl, chloroacetyl aminobenzoyl, furanoyl, thiophenoyl and C1-C6 alkylcarbamoyl; and R1 is hydrogen or C1-C4 lower alcohol. The compound of the formula(1) is manufactured by reacting a compound of the formula(A) and a compound of the formula(B).
Abstract:
PURPOSE: (S)-Isomer type indoline sulfonyl urea derivatives, a preparation method thereof and a pharmaceutical composition comprising the same are provided. The derivatives have improved anticancer activity and improved hydrophobic properties so as to be easily absorbed into the human body. CONSTITUTION: The (S)-4-phenyl-1-(N-(4-amino-benzoyl)-indoline-5-sulfonyl)- 4,5-dihydro-2-imidazolone derivatives are represented by the formula (1), wherein R is hydrogen, or an amino acid residue which is linked through an amide bond, and selected from glycine, alanine, valine, leucine, methionine, proline and phenylalanine. The method for preparing a compound of the formula (1a) comprises the steps of: combining a compound of the formula (7) with a compound of the formula (8) to prepare (S)-4-phenyl-1-(indoline-5-sulfonyl)-4,5-dihydro-2-imidazolone of the formula (3); reacting the compound of the formula (3) with 4-nitrobenzoylchloride of the formula (4); and reducing a nitro group of the resulting product. The method for preparing a compound of the formula (1b) comprises the steps of: condensing the compound of the formula (1a) with am amino acid of which amino group is protected with t-butoxycarbonyl; and deprotecting the amino group, wherein R' is an amino acid residue which is linked through an amide bond, and selected from glycine, alanine, valine, leucine, methionine, proline and phenylalanine.
Abstract:
PURPOSE: A film applicable to the oral mucosa comprising two layers such as a protective layer and an adhesive layer which contain a drug is provided to effectively delivery the drug without changing the formulation. The film causes no foreign body sensation when applied to oral mucosa and has excellent convenience and efficiency in the preparation process. CONSTITUTION: An oral mucoadhesive film comprises: an adhesion layer containing 5 to 80% by weight of each of a polyacrylic acid-based polymer and a cellulose-based polymer, 5 to 70% by weight of poloxamer, 0.05 to 20% by weight of a drug absorbable through the oral mucosa and 0.1 to 10% by weight of a plasticizer; and a protective layer containing 5 to 50% by weight of a water-insoluble, water-impermeable polymer and 0.1 to 10% by weight of a plasticizer. The film has a thickness of 50 to 300 microns.
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.