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    • 4. 发明公开
    • 레바미피드의 제조방법
    • 制备复方制剂的方法
    • KR1020030050412A
    • 2003-06-25
    • KR1020010080842
    • 2001-12-18
    • 동화약품주식회사
    • 정용호오윤석임재경권오진강소연홍현수
    • C07D215/227
    • PURPOSE: A process for preparing rebamipide is provided, thereby simplifying the preparing process of rebamipide and improving the preparation yield of rebamipide. CONSTITUTION: A process for preparing rebamipide of the formula(1) comprises the steps of: reacting 4-(bromomethyl)-1,2-dihydro-2-quinolinone of formula(2) with diethyl 2-£(4-chlorobenzoyl)amino|malonate of formula(3) to prepare a compound of formula(4); and reacting the compound of formula(4) under basic conditions, wherein R is alkyl having the carbon number of 1 to 6, wherein the diethyl 2-£(4-chlorobenzoyl)amino|malonate of formula(3) is prepared by reacting diethyl 2-aminomalonate hydrochloride with 4-chlorobenzoyl derivative of formula(6); and R is alkyl having the carbon number of 1 to 6 and X is OH or halogen atom.
    • 目的:提供制备瑞巴派特的方法,从而简化了雷巴米特的制备过程,提高了瑞巴派特的制备成品率。 构成:制备式(1)的瑞巴派特的方法包括以下步骤:使式(2)的4-(溴甲基)-1,2-二氢-2-喹啉酮与2-(4-氯苯甲酰基)氨基 (3)的丙二酸酯以制备式(4)的化合物; 并在碱性条件下使式(4)的化合物反应,其中R是碳数为1至6的烷基,其中式(3)的2-(2-氯苯甲酰基)氨基丙二酸二乙酯是通过使二 2-氨基马来酸盐酸盐与式(6)的4-氯苯甲酰基衍生物反应; R为碳原子数1〜6的烷基,X为OH或卤素原子。
    • 7. 发明公开
    • 개선된 자보플록사신의 제조방법
    • ZABOFLOXACIN的改进制造方法
    • KR1020150133433A
    • 2015-11-30
    • KR1020140060112
    • 2014-05-20
    • 동화약품주식회사
    • 최동락임재경최정욱신동혁김승환원대연김정환
    • C07D471/04C07D401/04C07D403/04
    • C07D471/04C07D487/10
    • 본발명은자보플록사신 D-아스파르트산염의개선된제조방법에관한것이다. 본발명은자보플록사신 D-아스파르트산염을제조하기위하여사용하는출발물질인 8-메톡시이미노-2,6-디아자-스피로[3,4]옥탄-2-카르복실산 t-부틸에스테르숙신산염(TBDCS) 또는 2-(2,2,2-트리플루오로-아세틸)-2,6-디아자-스피로[3.4]옥탄-8-온-메틸옥심메탄설폰산염(TDMOS)의신규한제조방법을제공한다. 본발명에따른제조방법은상기출발물질을높은수율과높은품질(HPLC 순도; 99.5% 이상)로제조할수 있어, 대량생산에적합하며, 치환반응시 TBDCS나 TDMOS를 1.0~1.1 당량을사용하여획기적으로생산단가를절감할수 방법을제공하기때문에자보플록사신 D-아스파르트산염의대량생산에유용하게이용될수 있다.
    • 本发明涉及一种制造扎布沙星D-天冬氨酸盐的改进方法。 本发明提供了制备用于制备扎布沙星D-天冬氨酸盐,8-甲氧基亚氨基-2,6-二氮杂 - 螺[3,4]辛烷-2-甲酸叔丁酯琥珀酸酯的引发剂的新方法 酸性盐(TBDCS)或2-(2,2,2-三氟 - 乙酰基)-2,6-二氮杂 - 螺[3,4]辛烷-8-对O-甲基肟甲磺酸盐(TDMOS)。 根据本发明的制造方法可以以高产率和质量(HPLC纯度;高于99.5%)制造引发剂,从而适合批量生产。 另外,该方法提供了在取代反应的情况下使用1.0〜1.1当量的TBDCS或者TDMOS来显着降低生产成本的方法,从而有效地用于批量生产扎布沙星D-天冬氨酸盐。
    • 9. 发明公开
    • 2-시아노-3-히드록시-엔-[(4-트리플루오로메틸)페닐]부트-2-엔아미드의 제조방법
    • 制备2-氰基-3-羟基-N - [(4-三氟甲基)苯基] -2-ENAMIDE的方法
    • KR1020110054670A
    • 2011-05-25
    • KR1020090111413
    • 2009-11-18
    • 동화약품주식회사
    • 오윤석임재경최정욱권오진이준상유제만
    • C07C253/00C07C255/40A61K31/277
    • PURPOSE: A process for preparing 2-cyano-3-hydroxy-N-[(4-trifluoromethyl)phenyl]but-2-enamide is provided to easily remove by-products generated during the manufacturing process of final products. CONSTITUTION: A process for preparing 2-cyano-3-hydroxy-N-[(4-trifluoromethyl)phenyl]but-2-enamide of chemical formula 1 from a compound of chemical formula 5 comprises the steps of: activating a compound of chemical formula 2 to an esterified compound using a carbodiimide compound; and reacting the resultant with a compound of chemical formula 4 to prepare a compound of chemical formula 5. The carbodiimide compound is selected from 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride, 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide, 1,3-diisopropylcarbodiimide or 1,3-dicyclohexylcarbodiimide.
    • 目的:提供2-氰基-3-羟基-N - [(4-三氟甲基)苯基]丁-2-烯酰胺的制备方法,以便容易地除去最终产品的制造过程中产生的副产物。 构成:由化学式5的化合物制备化学式1的2-氰基-3-羟基-N - [(4-三氟甲基)苯基]丁-2-烯酰胺的方法包括以下步骤:活化化学式 式2与使用碳二亚胺化合物的酯化化合物反应; 将所得物与化学式4的化合物反应,制备化学式5的化合物。碳二亚胺化合物选自1- [3-(二甲基氨基)丙基] -3-乙基碳二亚胺盐酸盐,1- [3-(二甲基氨基) 丙基] -3-乙基碳二亚胺,1,3-二异丙基碳二亚胺或1,3-二环己基碳二亚胺。
    • 10. 发明公开
    • 도네페질 중간체의 제조방법
    • 一种制备多奈哌齐中间体的方法
    • KR1020080092515A
    • 2008-10-16
    • KR1020070035881
    • 2007-04-12
    • 동화약품주식회사
    • 오윤석임재경권오진최정욱신동혁정진용유제만
    • C07D211/22C07D295/02
    • C07D211/32
    • A process for preparing an intermediate of donepezil having dementia-treating effects is provided to improve preparation yield and convenience of mass production of the intermediate by replacing the base which is difficult to be used industrially. An intermediate of donepezil, 2-[(E)-1-(1-benzyl-4-piperidyl)methylidene]-5,6-dimethoxy-1-indanone represented by the formula(1) is prepared by reacting 1-indanone compound represented by the formula(2) with aldehyde compound represented by the formula(3) by using a base selected from sodium methoxide(MeONa), sodium ethoxide(EtONa), potassium t-butoxide, sodium hydride, sodium hydroxide, potassium hydroxide and sodium amide in a reaction solvent selected from methanol, ethanol, isopropanol, t-butanol, tetrahydrofuran, 1,4-dioxane, diisopropyl ether, dimethylform amide, dimethylsulfoxide and nitromethane.
    • 提供一种制备具有痴呆症治疗效果的多奈哌齐中间体的方法,以通过更换难以在工业上使用的碱来改善中间体的制备产率和方便大量生产。 由式(1)表示的多奈哌齐2 - [(E)-1-(1-苄基-4-哌啶基)亚甲基] -5,6-二甲氧基-1-二氢茚酮的中间体是通过1- 由式(2)表示的醛与式(3)表示的醛化合物通过使用选自甲醇钠(MeONa),乙醇钠(EtONa),叔丁醇钾,氢化钠,氢氧化钠,氢氧化钾和钠 酰胺在选自甲醇,乙醇,异丙醇,叔丁醇,四氢呋喃,1,4-二恶烷,二异丙基醚,二甲基甲酰胺,二甲基亚砜和硝基甲烷的反应溶剂中。