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    • 1. 发明公开
    • 결정형 몬테루카스트 나트륨염 및 그의 제조방법
    • MONTELUKAST SODIUM的结晶形式及其制备方法
    • KR1020100067897A
    • 2010-06-22
    • KR1020080126493
    • 2008-12-12
    • 한미사이언스 주식회사
    • 박철현박은주최태진이재헌장영길이관순
    • C07F1/00C07F1/04
    • C07D215/18
    • PURPOSE: A crystalline montelukast sodium salt of high purity and a method for preparing the same are provided to obtain the montelukast sodium salt having excellent crystalline and stability. CONSTITUTION: A crystaliine montelukast sodium salt has 10% or more peak intensity at 5.37, 8.08, 16.22, 16.69, 20.33, 20.71, 21.64, 24.78, and 25.60 diffraction(2θ±0.1) in X-ray diffraction analysis. A method for preparing the crystalline montelukast sodium salt comprises: a step of dissolving montelukast free acid and sodium-containing base in a polar organic solvent to obtain a first solution; a step of adding anti-solvent to the first solution and stirring to obtain a seed-bed suspension; a step of repeating the step of preparing the first solution to obtain a second solution; a step of adding the second solution and half-solvent to the seed-bed suspension; and a step of filtering and drying. The half-solvent is n-pentane, n-hexane, n-heptane or n-octane.
    • 目的:提供高纯度的结晶孟鲁司特钠盐及其制备方法,以获得具有优异结晶性和稳定性的孟鲁司特钠盐。 构成:X射线衍射分析中,孟鲁司特钠钠晶体在5.37,8.88,16.22,16.69,20.73,20.71,21.64,24.78和25.60衍射(2&thgr±0.1)处具有10%以上的峰强度。 制备结晶孟鲁司特钠盐的方法包括:将孟鲁司特游离酸和含钠碱溶解在极性有机溶剂中以获得第一溶液的步骤; 向第一溶液中加入抗溶剂并搅拌以获得种子床悬浮液的步骤; 重复制备第一溶液以获得第二溶液的步骤的步骤; 将第二溶液和半溶剂添加到种子床悬浮液的步骤; 以及过滤和干燥的步骤。 半溶剂是正戊烷,正己烷,正庚烷或正辛烷。
    • 3. 发明公开
    • 이온성 액체 매개체를 이용한 몬테루카스트산의 제조 방법
    • 在离子液体培养基中制备MONTELUKAST酸的方法
    • KR1020090036349A
    • 2009-04-14
    • KR1020070101486
    • 2007-10-09
    • 한미사이언스 주식회사
    • 박철현박은주김충한장석만임은정장영길이관순이재헌
    • C07D215/18
    • C07D215/18
    • A method for preparing a montelukast acid in an ionic liquid medium is provided to mass-produce the montelukast acid of high purity or its sodium salts with high yield. A method for preparing a montelukast acid of the chemical formula 1 or its sodium salts comprises a step of reacting a thiol compound of the chemical formula 2 and a compound of the chemical formula 3, in the presence of the ionic liquid compound which is a base and reaction medium. In the chemical formula 1, 2 and 3, R1 is selected from the group consisting of hydrogen, methyl and ethyl; L is selected from the group consisting of alkyl phosphate, alkyl phosphate, alkyl sulfonate and alkyl sulfonate. The ionic liquid compound is selected from the group consisting of 1-ethyl-3-methylimidazoly cellar bromide, 1-ethyl-3-methylimidazoly cellar hexafluorophosphate, N-butyl-N-methylpylene lithium bromide, N-butyl-N-methylpylene lithium hexafluorophosphate, N-butyl-3-methylpyridium bromide, N-butyl-3-methylpyridium hexafluorophosphate, tetra-N-butylammonium bromide, tetra -N-butylammonium hexafluorophosphate, tetra-N-butyl phosphonium bromide and tetra-N-butyl phosphonium hexafluorophosphate.
    • 提供了一种在离子液体培养基中制备孟鲁司他酸的方法,以高产率大量生产高纯度的孟鲁司特酸或其钠盐。 制备化学式1或其钠盐的孟鲁司特酸的方法包括使化学式2的硫醇化合物与化学式3的化合物在作为碱的离子液体化合物存在下反应的步骤 和反应介质。 在化学式1,2和3中,R 1选自氢,甲基和乙基; L选自磷酸烷基酯,磷酸烷基酯,烷基磺酸盐和烷基磺酸盐。 离子液体化合物选自1-乙基-3-甲基咪唑基溴化物,1-乙基-3-甲基咪唑基六氢磷酸盐,N-丁基-N-甲基亚麻基溴化锂,N-丁基-N-甲基亚麻锂六氟磷酸盐 ,N-丁基-3-甲基溴化吡啶,N-丁基-3-甲基吡啶六氟磷酸盐,四正丁基溴化铵,四-N-丁基铵六氟磷酸盐,四正丁基溴化鏻和四-N-丁基鏻六氟磷酸盐。
    • 7. 发明公开
    • 고순도 1-안드로스텐 유도체의 제조 방법
    • 在高效制备高纯度1-安定剂衍生物的方法
    • KR1020050010320A
    • 2005-01-27
    • KR1020030049529
    • 2003-07-19
    • 한미사이언스 주식회사
    • 문영호김동준박철현이경익이재철이관순장영길
    • C07J43/00
    • C07J43/00
    • PURPOSE: A method for preparing highly pure 1-androstene derivatives is provided to produce 1-androstene derivatives, particularly finasteride easily in a high yield and a high purity. CONSTITUTION: The method for preparing the highly pure 1-anderostene derivatives represented by formula 1 comprises reacting 2-iodo-androstane derivatives represented by formula 12(wherein, R is -OH, -OR1 or -NHR2; R1 is a lower linear or branched alkyl of C1 to C5; R2 is a lower linear or branched alkyl of C1 to C5 or 2,5-bis(trifluoromethyl)phenyl) with an oxidant. The oxidant is selected from the group consisting of m-chloroperbenzoic acid, peracetic acid, trifluoro peracetic acid, permaleic acid, sodium bromide, sodium hypochloride, hydrogen peroxide, iodoso-methyl benzene and iodoso-benzene.
    • 目的:提供一种制备高纯度1-雄甾烯衍生物的方法,以高产率和高纯度方便地制备1-雄甾烯衍生物,特别是非那雄胺。 构成:制备由式1表示的高纯度1-降冰片烯衍生物的方法包括使由式12表示的2-碘 - 雄甾烷衍生物(其中,R是-OH,-OR1或-NHR2; R1是低级直链或支链的 C1至C5的烷基; R2是具有氧化剂的C1至C5或2,5-双(三氟甲基)苯基的低级直链或支链烷基)。 氧化剂选自间氯过苯甲酸,过乙酸,三氟过乙酸,多马来酸,溴化钠,次氯酸钠,过氧化氢,碘代甲基苯和碘代苯。
    • 9. 发明公开
    • 4-히드록시페닐글리신 무수물 및 이의 제조방법
    • 4-羟基苯乙烯磺酸酐及其制备方法
    • KR1020020069437A
    • 2002-09-04
    • KR1020010009740
    • 2001-02-26
    • 한미사이언스 주식회사
    • 이관순이재헌장영길김홍선박철현박가승김철경
    • C07C211/03
    • Y02P20/55
    • PURPOSE: Provided are a 4-hydroxyphenylglycin capable of being used as intermediate of oral antibiotic based on cephalosporin, and a method for preparing the same. CONSTITUTION: The 4-hydroxyphenylglycin is represented by formula 1(wherein R represents an amino protecting group). The method for preparing the 4-hydroxyphenylglycin represented by the formula 1, comprises the step of reacting a 4-hydroxyphenylglycin compound of formula 3 with a pivaloyl halide of formula 4 in the presence of base. In the formulae 3 and 4, R represents an amino protecting group, and X is Cl, Br or I. The base is triethylamine, n-tributylamine, N,N-dimethylaniline, pyridine or N,N-dimethylaminopyridine.
    • 目的:提供能够用作基于头孢菌素的口服抗生素中间体的4-羟基苯基甘氨酸及其制备方法。 构成:4-羟基苯基甘氨酸由式1表示(其中R表示氨基保护基)。 由式1制备的4-羟基苯基甘氨酸的方法包括在碱存在下使式3的4-羟基苯基甘氨酸化合物与式4的新戊酰卤反应的步骤。 在式3和4中,R表示氨基保护基,X表示Cl,Br或I.该碱是三乙胺,正三正丁胺,N,N-二甲基苯胺,吡啶或N,N-二甲基氨基吡啶。