1,6-디옥세케인 화합물과 이의 제조방법
    13.
    发明公开
    1,6-디옥세케인 화합물과 이의 제조방법 失效
    1,6-二氧化物及其制备方法

    公开(公告)号:KR1020100134977A

    公开(公告)日:2010-12-24

    申请号:KR1020090053364

    申请日:2009-06-16

    Abstract: PURPOSE: A method for preparing 1,6-dioxecane compound is provided to enlarge other ring by Diels-Alder reaction and to use as an intermediate. CONSTITUTION: A 1,6-Dioxecanes compound is denoted by chemical formula 1. The 1,6-Dioxecanes compound is prepared by Prins reaction of alcohol compound of chemical formula 2 and aldehyde compound of chemical formula 3. A tetrahydrofuran is used as a reaction catalyst. The reaction temperature is -78 to 30°C.

    Abstract translation: 目的:提供1,1-二氧化合物的制备方法,以通过狄尔斯 - 阿尔德反应扩大其它环并用作中间体。 构成:1,6-二氧癸烷化合物由化学式1表示。1,6-二氧癸烷化合物通过化学式2的醇化合物与化学式3的醛化合物的Prins反应制备。使用四氢呋喃作为反应 催化剂。 反应温度为-78〜30℃。

    1-(2-하이드록시페닐)부타-2-엔-1-온 또는 크로만-4-온 유도체의 제조방법
    16.
    发明授权
    1-(2-하이드록시페닐)부타-2-엔-1-온 또는 크로만-4-온 유도체의 제조방법 失效
    制备1-2-羟基苯基丁-2-烯-1-酮和色甘酸-4-酮的方法

    公开(公告)号:KR100935016B1

    公开(公告)日:2010-01-06

    申请号:KR1020080013153

    申请日:2008-02-13

    Abstract: 본 발명은 1-(2-하이드록시페닐)부타-2-엔-1-온 또는 크로만-4-온 유도체의 제조방법에 관한 것으로서, 더욱 상세하게는 2-에티이닐페놀 유도체를 루이스산 촉매 존재 하에서 알데하이드 화합물과 반응시켜 하기 화학식 1로 표시되는 1-(2-하이드록시페닐)부타-2-엔-1-온 유도체 또는 하기 화학식 2로 표시되는 크로만-4-온 유도체를 제조하는 방법에 관한 것이다.


    상기 화학식 1 또는 2에서, R
    1 및 R
    2 는 각각 발명의 상세한 설명에서 정의한 바와 같다.
    1-(2-하이드록시페닐)부타-2-엔-1-온, 크로만-4-온, 루이스산

    키랄 디포스핀 화합물 및 이를 이용한 비대칭 반응
    17.
    发明授权
    키랄 디포스핀 화합물 및 이를 이용한 비대칭 반응 失效
    키랄디포스핀화합물및이를이용한비대칭반응

    公开(公告)号:KR100425526B1

    公开(公告)日:2004-03-30

    申请号:KR1020010011252

    申请日:2001-03-05

    Abstract: PURPOSE: Provided are chiral diphosphine compounds which form a metal complex with transition metal thus have excellent optical selectivity and transition rate, and a manufacturing method of chiral compounds by applying them as metal catalyst in asymmetric reactions. CONSTITUTION: The chiral diphosphine compound is represented by the formula(1), wherein X, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R10 and R11 are as defined in the description. It is characteristically manufactured by a compound of the formula(7) with an organophosphine-based metallic salt of the formula(8) in the presence of organic solvents.

    Abstract translation: 目的:提供与过渡金属形成金属配合物的手性二膦化合物因此具有优异的光学选择性和转变速率,以及通过在不对称反应中将它们用作金属催化剂的手性化合物的制备方法。 构成:手性二膦化合物由式(1)表示,其中X,R 1,R 2,R 3,R 4,R 5,R 6,R 7,R 8,R 9,R 10,R 10和R 11如说明书中所定义。 它是由式(7)化合物与式(8)的有机膦基金属盐在有机溶剂存在下特征制造的。

    수용성 키랄 보조제로서의(5R,5'R)-5,5'-비스(옥사졸리딘-2-온) 및 이의 제조방법
    18.
    发明公开
    수용성 키랄 보조제로서의(5R,5'R)-5,5'-비스(옥사졸리딘-2-온) 및 이의 제조방법 失效
    水溶性辅料(5R,5'R)-5,5'-BIS(OXAZOLIDIN-2-ONE)及其合成方法

    公开(公告)号:KR1020020007460A

    公开(公告)日:2002-01-29

    申请号:KR1020000040282

    申请日:2000-07-13

    Abstract: PURPOSE: Provided are a water soluble chiral auxiliary (5R,5'R)-5,5'-bis(oxazolidin-2-one) and its synthetic process, thereby synthesizing 2 equivalent of chiral compounds using 1 equivalent of chiral auxiliary agent and removing high cost of chiral auxiliary agent from organic reaction products. CONSTITUTION: The water soluble chiral auxiliary (5R,5'R)-5,5'-bis(oxazolidin-2-one) is represented by the formula(1). It is manufactured by the steps of: hydrogenation debenzylating 1,4-dibenzyl-2,3-dimethylsulfonyl tetrahydroxy butane under hydrogen atmosphere of 1 atm, to prepare (2S,3S)-2,3-bis(O-methanesulfonyl)-1,2,3,4-tetrahydroxy butane; heating and refluxing (2S,3S)-2,3-bis(O-methanesulfonyl)-1,2,3,4-tetrahydroxy butane and benzyl isocyanate to prepare (5R,5R')-N,N'-dibenzyl-5,5'-bis(oxazolidin-2-on) under sodium hydride; and debenzylating (5R,5R')-N,N'-dibenzyl-5,5'-bis(oxazolidin-2-on) using liquid ammonia and sodium metal to obtain (5R,5'R)-5,5'-bis(oxazolidin-2-one) of the formula(1).

    Abstract translation: 目的:提供水溶性手性助剂(5R,5'R)-5,5'-双(恶唑烷-2-酮)及其合成方法,由此合成2当量手性化合物,使用1当量的手性助剂和 从有机反应产物中除去手性助剂的成本高。 构成:水溶性手性助剂(5R,5'R)-5,5'-双(恶唑烷-2-酮)由式(1)表示。 通过以下步骤制造:在1大气压的氢气氛下氢化脱苄基1,4-二苄基-2,3-二甲基磺酰基四羟基丁烷,制备(2S,3S)-2,3-双(O-甲磺酰基)-1 ,2,3,4-四羟基丁烷; 加热回流(2S,3S)-2,3-双(O-甲磺酰基)-1,2,3,4-四羟基丁烷和异氰酸苄酯,制备(5R,5R') - N,N'-二苄基-5 ,5'-双(恶唑烷-2-酮); 并使用液氨和金属钠脱碳酸(5R,5R') - N,N'-二苄基-5,5'-双(恶唑烷-2-基),得到(5R,5'R)-5,5'- (1)的双(恶唑烷-2-酮)。

    올레핀 화합물의 비균일계 비대칭 아미노히드록시화 반응용 신코나알칼로이드 촉매
    19.
    发明公开
    올레핀 화합물의 비균일계 비대칭 아미노히드록시화 반응용 신코나알칼로이드 촉매 失效
    用于烯异构体的异构非对称氨基甲酰化的辛烷酸碱金属催化剂

    公开(公告)号:KR1020000074359A

    公开(公告)日:2000-12-15

    申请号:KR1019990018254

    申请日:1999-05-20

    Abstract: PURPOSE: A process for preparing an optical active aminoalcohol compound using a cinchona alkaloid catalyst having excellent catalytic performance, reusable and excellent in thermal, mechanical stability, a nitrogen source and a base is provided which carries out the heterogeneous asymmetric aminohydroxylation of olefins economically and can improve processing difficulties by high toxicity and volatility of OsO4. CONSTITUTION: In the process for manufacturing an optical active aminoalcohol compound by heterogeneous asymmetric aminohydroxylation of olefins, the process uses a catalytic system containing conventional cinchona alkaloids of formula 1 and a nitrogen source and a base. In formula, Y is hydroquinidinyl represented by formula 2 or hydroquinidinyl represented by formula 3, X represents an unsaturated compound containing 0 or 4 carbons, pyridazine in case X is 0 and phthalazine in case X is an unsaturated compound, R represents methoxy, ethoxy or methyl.

    Abstract translation: 目的:提供一种使用具有优异催化性能,可重复使用和优异的热,机械稳定性,氮源和碱的香草素生物碱催化剂制备光学活性氨基醇化合物的方法,其经济地进行烯烃的异质不对称氨基羟基化, 通过OsO4的高毒性和挥发性改善加工困难。 构成:在通过烯烃的非均相不对称氨基羟基化制造光学活性氨基醇化合物的方法中,该方法使用含有式1的常规桂皮纳生物碱和氮源和碱的催化体系。 在式中,Y是由式2表示的氢醌基或由式3表示的氢醌基,X代表含有0或4个碳的不饱和化合物,X为0时为哒嗪,X为不饱和化合物时为酞嗪,R为甲氧基,乙氧基或 甲基。

    (알)-3-히드록시-4-클로로부티르산 에스테르의 제조방법
    20.
    发明授权
    (알)-3-히드록시-4-클로로부티르산 에스테르의 제조방법 失效
    制备(R)-3-羟基-4-氯代丁酸的方法

    公开(公告)号:KR100162869B1

    公开(公告)日:1999-01-15

    申请号:KR1019950033842

    申请日:1995-10-04

    Abstract: 본 발명은 출발물질로서 다음 구조식(Ⅱ)의 (R)-4(트리클로로메틸)옥세탄-2-온을 산 촉매하에 C
    1 -C
    18 지방족 알코올 또는 벤질알코올과 반응시켜 다음 일반식(Ⅲ)의 (R)-3-히드록시-4,4,4-트리클로로부티르산 에스테르를 제조한 다음, 일반식(Ⅲ)의 화합물의 4-위치를 선택적으로 탈염소화(Bis-dechlorination)시키는 것으로 이루어진 다음 일반식(Ⅰ)의 (R)-3-히드록시-4-클로로부티르산 에스테르의 제조방법에 관한 것이다.

    상기식에서 R은 C
    1 -C
    18 의 지방족 알킬기 또는 벤질기이다.
    본 발명의 제조방법은 (R)-카르니틴 또는 (R)-3-히드록시-4-아미노부티르산의 제조에 이용되는 핵심 중간체인 (R)-3-히드록시-4-클로로부티르산 에스테르를 매우 높은 수율로 또한 광학적으로 순수한 형태로 얻을 수 있다.

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