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    • 2. 发明公开
    • 아르부틴 제조용 중간체의 제조방법
    • 制定ARBUTIN中间人的过程
    • KR1020040065830A
    • 2004-07-23
    • KR1020030003017
    • 2003-01-16
    • 주식회사 한솔케미칼
    • 이동훈유용상이광덕
    • C07H15/203
    • PURPOSE: A process for preparing intermediates of arbutin is provided, thereby preparing no octaacetyl diglucosyl hydroquinone, reducing the preparation costs by beta-O-glycosylation of both mono-protected hydroquinone and di-protected hydroquinone, and improving the preparation yield of the arbutin intermediates. CONSTITUTION: The process for preparing intermediates of arbutin comprises reacting beta-D-glucose pentaacetate of formula (1) with mono- or di-trimethylsillyl hydroquinone of formula (2) in the presence of Lewis acid catalyst at 20 to 100 deg.C for 2 to 72 hours in a solvent to prepare beta-D-tetraacetylarbutin derivative of formula (3), wherein Ac is acetyl; R is trimethylsillyl; R1 and R2 are independently hydrogen or trimethylsillyl, provided that at least one of R1 and R2 is trimethylsillyl; the solvent is selected from toluene, xylene, benzene, dichloromethane, dichloroethane, chloroform, acetone, acetonitrile, hexane, cyclohexane or a mixture thereof; the Lewis acid is selected from tin tetrachloride, boron trifluoride, boron trichloride, zinc chloride, iron trichloride and trimethylsillyltrifluoromethanesulfonate.
    • 目的:提供一种制备熊果苷中间体的方法,由此不制备八乙酰基二葡糖基对苯二酚,通过单保护氢醌和二保护氢醌的β-O-糖基化降低制备成本,提高熊果苷中间体的制备产率 。 构成:制备熊果苷中间体的方法包括使式(1)的β-D-葡萄糖五乙酸酯与路易斯酸催化剂在20至100℃的存在下在式(2)的一或二 - 三甲基硅烷基氢醌反应,用于 在溶剂中2至72小时以制备式(3)的β-D-四乙酰熊果苷衍生物,其中Ac为乙酰基; R是三甲基甲硅烷基; R1和R2独立地是氢或三甲基甲硅烷基,条件是R 1和R 2中的至少一个是三甲基甲硅烷基; 溶剂选自甲苯,二甲苯,苯,二氯甲烷,二氯乙烷,氯仿,丙酮,乙腈,己烷,环己烷或其混合物; 路易斯酸选自四氯化锡,三氟化硼,三氯化硼,氯化锌,三氯化铁和三甲基甲硅烷基三氟甲磺酸盐。
    • 3. 发明公开
    • (E)-터비나핀 또는 이의 염산염의 제조방법
    • 生产(E) - 替硝基或其盐酸盐的方法
    • KR1020030066186A
    • 2003-08-09
    • KR1020020006517
    • 2002-02-05
    • 주식회사 한솔케미칼
    • 유용상이동훈
    • C07C209/68
    • PURPOSE: Provided is a method for economically and simply producing (E)-terbinafine represented by formula 1, or hydrochloride thereof with high yield and high purity, without removing a solvent. CONSTITUTION: The method comprises the steps of (i) reacting N-methyl-1-naphthalene amine or its hydrochloride and (E)-1,3-dichloropropene in aqueous organic solvent or its aqueous solution in the presence of weak base at 0-100 deg.C for 1-15 hours, to form (E)-N-(3-chloro-2-propenyl)-N-methyl-naphthalene methaneamine represented by formula 3; and sequentially adding 0.5-5 mol% of Cu and amine, and 3,3-dimethyl-1-butyne to the reaction product with using 0.5-5 mol% of palladium(Pd(II)) catalyst, to form (E)-terbinafine represented by formula 1 or its hydrochloride.
    • 目的:提供一种经济地和简单地生产以式(1)表示的(E) - 特比萘芬或其盐酸盐的方法,其高产率和高纯度,而不除去溶剂。 方法:该方法包括以下步骤:(i)在弱碱存在下,在0-乙烯基吡啶存在下,使N-甲基-1-萘胺或其盐酸盐与(E)-1,3-二氯丙烯在有机溶剂水溶液或其水溶液中反应, 100℃下反应1-15小时,形成式(E)-N-(3-氯-2-丙烯基)-N-甲基 - 萘甲胺,由式3表示; 并使用0.5-5mol%的钯(Pd(II))催化剂依次向反应产物中加入0.5-5mol%的Cu和胺和3,3-二甲基-1-丁炔,形成(E) - 特比萘芬由式1或其盐酸盐代表。
    • 4. 发明授权
    • 아르부틴 제조용 중간체의 제조방법
    • 아르부틴제조용중금체의제조방법
    • KR100460453B1
    • 2004-12-08
    • KR1020030003017
    • 2003-01-16
    • 주식회사 한솔케미칼
    • 이동훈유용상이광덕
    • C07H15/203
    • PURPOSE: A process for preparing intermediates of arbutin is provided, thereby preparing no octaacetyl diglucosyl hydroquinone, reducing the preparation costs by beta-O-glycosylation of both mono-protected hydroquinone and di-protected hydroquinone, and improving the preparation yield of the arbutin intermediates. CONSTITUTION: The process for preparing intermediates of arbutin comprises reacting beta-D-glucose pentaacetate of formula (1) with mono- or di-trimethylsillyl hydroquinone of formula (2) in the presence of Lewis acid catalyst at 20 to 100 deg.C for 2 to 72 hours in a solvent to prepare beta-D-tetraacetylarbutin derivative of formula (3), wherein Ac is acetyl; R is trimethylsillyl; R1 and R2 are independently hydrogen or trimethylsillyl, provided that at least one of R1 and R2 is trimethylsillyl; the solvent is selected from toluene, xylene, benzene, dichloromethane, dichloroethane, chloroform, acetone, acetonitrile, hexane, cyclohexane or a mixture thereof; the Lewis acid is selected from tin tetrachloride, boron trifluoride, boron trichloride, zinc chloride, iron trichloride and trimethylsillyltrifluoromethanesulfonate.
    • 目的:提供一种制备熊果苷中间体的方法,由此制备无八乙酰基二葡萄糖基氢醌,通过单保护的氢醌和二保护的氢醌的β-O-糖基化来降低制备成本,并且提高熊果苷中间体的制备产率 。 构成:制备熊果苷中间体的方法包括使式(1)的β-D-葡萄糖五乙酸酯与式(2)的单 - 或二 - 三甲基甲硅烷基氢醌在路易斯酸催化剂存在下在20-100℃ 在溶剂中2-72小时以制备式(3)的β-D-四乙酰基丁胺衍生物,其中Ac为乙酰基; R是三甲基甲硅烷基; R1和R2独立地为氢或三甲基甲硅烷基,条件是R1和R2中的至少一个为三甲基甲硅烷基; 溶剂选自甲苯,二甲苯,苯,二氯甲烷,二氯乙烷,氯仿,丙酮,乙腈,己烷,环己烷或其混合物; 路易斯酸选自四氯化锡,三氟化硼,三氯化硼,氯化锌,三氯化铁和三甲基硅基三氟甲磺酸盐。
    • 6. 发明公开
    • 라세믹화합물의 비대칭 개환반응에 의한 키랄화합물의제조방법
    • 通过选择性环开放化合物反应的化合物的方法
    • KR1020030034287A
    • 2003-05-09
    • KR1020010061831
    • 2001-10-08
    • 주식회사 한솔케미칼
    • 이동훈정다희심우호장석구최두성변일석
    • C07D301/32
    • PURPOSE: A process for preparing chiral compounds by enantioselective ring opening reaction of racemic compounds is provided, the high optical purity of chiral compounds can be prepared, and enzyme used can be reused. CONSTITUTION: The process for preparing chiral compounds such as chiral epoxide or chiral alcohol by enantioselective ring opening reaction of racemic epoxy compounds in a chiral salen metal catalyst reaction system comprises further containing a compound represented by formula(1):((R-SO2)n-Y)(A) in the chiral salen metal catalyst reaction system, wherein R is halogen atom, alkyl, aryl or haloalkyl; Y is oxygen or nitrogen wherein n is 1 when Y is oxygen or n is 2 when Y is nitrogen; and A is a counter ion including hydrogen, halogen, alkali metal atom, or grade 4 ammonium.
    • 目的:提供通过外消旋化合物的对映选择性开环反应制备手性化合物的方法,可以制备手性化合物的高光学纯度,并且可以重复使用酶。 构成:手性盐金属催化剂反应体系中外消旋环氧化合物的对映选择性开环反应制备手性化合物如手性环氧化物或手性醇的方法还包含由式(1)表示的化合物:((R-SO 2) nY)(A)在手性salen金属催化剂反应体系中,其中R是卤素原子,烷基,芳基或卤代烷基; Y是氧或氮,当Y是氧时n是1,当Y是氮时,n是2; A是包括氢,卤素,碱金属原子或4级铵的抗衡离子。