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    • 1. 发明公开
    • 잠금기능이 부가된 자전거 거치대
    • 定义一个立场自行车添加锁定功能
    • KR1020100053408A
    • 2010-05-20
    • KR1020090018642
    • 2009-03-04
    • 주식회사 알에스텍
    • 김병관
    • B62H1/04B62H5/14E05B71/00
    • B62H1/04B62H5/14E05B71/00
    • PURPOSE: A bicycle holder for a lock function is provided to conveniently and rapidly lock a bicycle using a lock unit by vertically operating when the bicycle is parked. CONSTITUTION: A bicycle holder for a lock function comprises a holder(11), a carriage(30), and an upper plate(80). The holder comprises an auxiliary leg, a hanger pin, and a hanger projection. The holder connects the spring for connecting a hanger pin to a hook pin of a lower plate(20). The carriage has a push plate(31) and a hanger piece(32). The push plate adheres closely to the hanger projection when the holder rotates at a right angle. The carriage horizontally moves in a reciprocating motion along a slot(34). The upper plate is fixed with a bolt of a rear wheel through a fixing nut.
    • 目的:提供一种用于锁定功能的自行车保持器,以便在自行车停放时通过垂直操作使用锁定单元方便地并快速地锁定自行车。 构成:用于锁定功能的自行车保持器包括保持器(11),托架(30)和上板(80)。 支架包括一个辅助支脚,一个吊架销和一个吊架突起。 支架连接弹簧,用于将吊架销连接到下板(20)的钩销。 滑架具有推板(31)和悬挂件(32)。 当保持器以直角旋转时,推板紧贴于吊架突起。 滑架沿着槽(34)沿往复运动水平移动。 上板通过固定螺母用后轮的螺栓固定。
    • 4. 发明公开
    • 고순도의 키랄 3-하이드록시-γ-부티로락톤의 제조방법
    • 高纯度3-羟基 - 丁基酮的制备方法
    • KR1020030065192A
    • 2003-08-06
    • KR1020020005694
    • 2002-01-31
    • 주식회사 알에스텍
    • 이호성김호철윤진원엄봉호김성진
    • C07D307/32
    • PURPOSE: A preparation method of high purity chiral 3-hydroxy-γ-butyrolactone is provided, thereby easily preparing high purity chiral 3-hydroxy-γ-butyrolactone useful as an intermediate for synthesis of chiral compounds. CONSTITUTION: A preparation method of high purity chiral 3-hydroxy-γ -butyrolactone of the formula 1 comprises reacting chiral 4-chloro-3-hydroxybutyronitrile in water or a mixed solvent of water and a water mixable solvent, wherein * is asymmetric carbon; the mixed solvent is selected from a mixture of water and alcohol selected from methanol, ethanol and isopropylalcohol; and a mixture of water and polar organic solvent selected from tetrahydrofuran and 1,4-dioxane; the acid is selected from hydrochloric acid, sulphuric acid, phosphoric acid, acetic acid and p-toluene sulfanilic acid; the amount of acid used is 1 to 4 equivalency; and the reaction temperature is 50 to 90 deg. C.
    • 目的:提供高纯度手性3-羟基-γ-丁内酯的制备方法,从而容易制备用作合成手性化合物的中间体的高纯度手性3-羟基-γ-丁内酯。 构成:式1的高纯度手性3-羟基-γ-丁内酯的制备方法包括使手性4-氯-3-羟基丁腈在水或水与水可混合溶剂的混合溶剂中反应,其中*是不对称碳; 混合溶剂选自水和选自甲醇,乙醇和异丙醇的醇的混合物; 和水和极性有机溶剂的混合物,选自四氢呋喃和1,4-二恶烷; 酸选自盐酸,硫酸,磷酸,乙酸和对甲苯磺胺酸; 酸的使用量为1〜4当量; 反应温度为50〜90℃。 C。
    • 8. 发明公开
    • 3-히드록시테트라히드로퓨란의 효율적 제조방법
    • 高效制备3-羟基喹唑啉的方法
    • KR1020080072206A
    • 2008-08-06
    • KR1020070010639
    • 2007-02-01
    • 주식회사 알에스텍
    • 김성진전용국부창진홍매화이재관이종민
    • C07D307/20
    • C07D307/20C07B2200/07C07C29/147C07C31/42
    • A method for preparing 3-hydroxytetrahydrofuran is provided to keep chirality of a starting material substantially and produce a chiral 3 hydroxytetrahydrofuran having high optical purity of at least 99.0% with high yield economically. A method for preparing 3-hydroxytetrahydrofuran represented by a formula(1) comprises a step of heating 4-halo-1,3-butanediol represented by a formula(2) at a temperature of 75-180 deg.C in the presence of an organic solvent such as benzene, toluene, xylene, C2-4 alcohol, 1,2-dichloroethane, ethylacetate, 1,4-dioxane, polyethyleneglycol, polyethyleneglycol butyl ether, polyethyleneglycol dimethylether, polyethyleneglycol methyl ether, polypropylene glycol, propropyleneglycol monobutyl ether, diphenylether, dibenzylether, phenyl sulfone and phenyl sulfoxide or without using any solvent to perform cyclization. In the formulae, * is a chiral center, and X is halogen such as F, Cl, Br and I. Further, the cyclization is performed under condition comprising additionally a base.
    • 提供了一种制备3-羟基四氢呋喃的方法,以保持起始材料的手性基本上并且经济地产生具有至少99.0%的高光学纯度的手性3羟基四氢呋喃。 制备由式(1)表示的3-羟基四氢呋喃的方法包括在75-180℃的温度下,在由式(2)表示的温度下加热由式(2)表示的4-卤代-1,3-丁二醇的步骤, 有机溶剂如苯,甲苯,二甲苯,C2-4醇,1,2-二氯乙烷,乙酸乙酯,1,4-二恶烷,聚乙二醇,聚乙二醇丁醚,聚乙二醇二甲醚,聚乙二醇甲醚,聚丙二醇,丙二醇单丁醚,二苯醚 ,二苯基醚,苯基砜和苯基亚砜,或不使用任何溶剂进行环化。 在式中,*是手性中心,X是卤素如F,Cl,Br和I.此外,环化是在另外包含碱的条件下进行的。
    • 9. 发明授权
    • 키랄 글리시딜프탈이미드를 고광학순도로 제조하는 방법
    • 一种高光学纯度的手性缩水甘油邻苯二甲酰亚胺的制备方法
    • KR100612779B1
    • 2006-09-13
    • KR1020060042433
    • 2006-05-11
    • 주식회사 알에스텍
    • 강현빈전용국이재관김성진
    • C07D405/06
    • 본 발명은 키랄 글리시딜프탈이미드를 고광학순도로 제조하는 방법에 관한 것이다. 보다 구체적으로는, 본 발명은 3-치환된-1-아미노-2-프로판올 산부가염의 광학활성체를, 염기 존재 하에서, 무수프탈산과 반응시켜 N-(3-치환된-2-히드록시프로필)프탈이미드를 얻고, 얻어진 화합물을 에폭시드 고리화 반응에 적용시켜 목적하는 글리시딜프탈이미드를 제조하는 단계를 포함하여 이루어진, 키랄 글리시딜프탈이미드를 제조하는 방법에 관한 것이다. 상기 방법에 따르면, 전체 공정에 걸쳐, 출발물질의 키랄성이 완전히 유지되며, 그 결과로서 99%ee 또는 그 이상의 고광학순도를 갖는 글리시딜프탈이미드가 고수율로 용이하게 얻어진다. 그리고, 전체 공정에 걸쳐 온화한 조건에서 반응이 성취되고, 특별한 정제 공정없이 하나의 반응기에서 키랄 글리시딜프탈이미드가 고광학순도로 제조된다.
    • 本发明涉及一种制备高光学纯度的手性缩水甘油邻苯二甲酰亚胺的方法。 更具体地说,本发明涉及制备N-(3-取代-2-羟丙基)-1-氨基-2-丙醇 )邻苯二甲酰亚胺,并将所得化合物进行环氧化物环化反应以产生所需的缩水甘油邻苯二甲酰亚胺。本发明还涉及一种制备手性缩水甘油邻苯二甲酰亚胺的方法。 根据该方法,在整个制造过程中,起始材料的手性被完全保持,具有的ee或大于99%和光学纯度,结果缩水甘油基邻苯二甲酰亚胺,和以高收率容易地获得。 然后,在整个过程中在温和条件下实现反应,并且在一个具有高光学纯度的反应器中产生手性缩水甘油邻苯二甲酰亚胺,而没有任何特殊的纯化过程。