Abstract:
The present invention relates to a beta alanine derivative, a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing the same as an active ingredient. The novel beta alanine derivative and a pharmaceutically acceptable salt thereof are used as a pharmaceutical composition for preventing or treating various lipid metabolic disorders selected among obesity, dyslipidemia, fatty liver, insulin resistance syndrome, and hepatitis by effectively suppressing the activities of DGAT1 which catalyzes a final step of synthesizing neural fats.
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 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:
PURPOSE: A method for producing alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride is provided, thereby the titled compound having high purity can be easily produced because the further purification steps are not required and the production is performed under the mild conditions. CONSTITUTION: The method for producing alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride represented by formula (I) comprises the steps of: reacting alkyl trans-4-bromo-3- hydroxypiperidine-1-carboxylate of formula (III) with benzoyl isocyanate in organic solvents to produce alkyl trans-4-bromo-3- benzoylaminocarbonyloxy-1-piperidine carboxylate of formula (IV); adding base such as kalium tert-butoxide into the compound of formula (IV) to produce alkyl cis-1-benzoyl-2-oxo- hexahydro-oxazolo(5,4,c) pyridine-5-carboxylate of formula (V); reacting the compound of formula (V) with lithium hydroxide·H2O to produce alkyl cis-2-oxo-hexahydro-oxazolo(5,4-c) pyridine-5-carboxylate of formula (VI); reacting the compound of formula (VI) with triethylamine, di-tert-butoxy dicarbonate, and dimethylaminopyridine to produce cis-1-tert- butoxycarbonyl-5- ethoxycarbonyl-2-oxo- hexahydro- oxazolo(5,4-c) pyridine of formula (VII); reacting the compound of formula (VII) with cesium carbonate to produce alkyl cis-4-tert- butoxycarbonyl amino-3-hydroxy-1-piperidine carboxylate of formula (VIII); adding sodium hydroxide, dimethyl sulfate, and benzyltriethyl ammonium chloride into the compound of formula (VIII) to produce alkyl cis-4-tert-butoxycarbonylamino- 3-methoxy-1-piperidine carboxylate of formula (IX); and adding hydrogen chloride dissolved organic solvent into the compound of formula (IX) to produce alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride of formula (I).
Abstract:
본 발명은 스테로이드계 의약품 중간체의 제조방법에 관한 것으로서, 더욱 상세하게는 다음 화학식 2로 표시되는 키노데옥시콜릭 산을 출발물질로 사용하여 스테로이드계 의약품의 중간체로 유용한 다음 화학식 1로 표시되는 3-키토-5α-콜레스탄-24-올을 제조하는 방법에 관한 것이다.
Abstract:
본 발명은 아다만틸기를 갖는 설파마이드 유도체를 유효성분으로 포함하는 뇌질환 및 허혈성 심장질환의 예방 또는 치료용 약제학적 조성물에 관한 것이다. 본 발명의 아다만틸기를 갖는 설파마이드 유도체 화합물은 11 β -HSD1의 활성을 효율적으로 억제함으로써 허혈성 심장질환 뿐 아니라, 신경 퇴행성 질환, 허혈 또는 재관류에 의한 뇌혈관 질환 및 정신 질환 등 11 β -HSD1로 매개되는 다양한 뇌질환의 예방 또는 치료에 유용하게 이용될 수 있다.
Abstract:
본 발명은 하기의 화학식 1로 표시되는 신규한 4-(3,4-디알콕시페닐)-2-아미노티아졸 화합물 또는 그의 약제학적으로 허용 가능한 염, 이의 제조 방법 및 이를 유효성분으로 함유하는 것을 특징으로 하는 천식 및 만성폐쇄성 폐질환(Chronic Obstructive Pulmonary Disease)을 포함한 염증관련 질환의 치료 및 알쯔하이머를 포함한 중추신경계통 질환의 치료, 예방을 위한 약제학적 조성물에 관한 것이다. [화학식 1]
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.
Abstract:
본 발명은 하기 화학식 1의 2-아릴에테닐 카바페넴 유도체 및 이의 약리학적으로 허용가능한 염, 이의 제조방법 및 이를 유효성분으로 함유하는 항균제 조성물에 관한 것으로서, 본 발명의 화합물은 메티실린 내성 스타필로코쿠스 아우레우스 (Methicillin resistant Staphylococcus aureus, MRSA) 감염증을 비롯한 내성균 감염질병의 치료에 우수한 효과를 나타낸다.
상기 식에서, R은 할로겐, 니트로, 히드록시 또는 시아노로 임의로 치환된 페닐 또는 융합된 아릴기; 또는 O, S 또는 N 원자를 하나 이상 포함하고, 할로겐 또는 C 1-3 알킬기로 임의로 치환된 모노사이클릭, 비사이클릭 또는 트리사이클릭 5 또는 6원 헤테로 아릴기이고, M은 수소 또는 약리학적으로 허용가능한 염을 형성하는 짝이온이다.