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公开(公告)号：KR1020030088717A
公开(公告)日：2003-11-20
申请号：KR1020020026560
申请日：2002-05-14
Applicant: 한국과학기술연구원
IPC: C08G64/20
Abstract: PURPOSE: A polymer support catalyst for the synthesis of an alkylene carbonate and a method for preparing an alkylene carbonate by using the polymer support catalyst are provided, to improve the yield, to reduce the reaction time and to allow the catalyst to be recovered and reused more effectively. CONSTITUTION: The polymer support catalyst comprises a polymer carrier containing a pyridine group or a phosphine group; and ZnX2 supported to the polymer carrier, wherein X is a halogen atom. Preferably the content of Zn in the polymer support catalyst is 1-20 wt%; the polymer containing a pyridine group is selected from the group consisting of poly(vinyl pyridine), poly(4-vinyl pyridine-co-butyl methacrylate), poly(2-vinyl pyridine-co-styrene), poly(4-vinyl pyridine) and crosslinked poly(4-vinyl pyridine); and the polymer containing a phosphine group is obtained by reacting poly(vinyl benzyl chloride) with a lithium metal, and reacting the obtained one with R2PX, wherein R is a phenyl group, CH3, CH3CH2 or a cyclohexyl group; and X is a halogen atom.
Abstract translation: 目的：提供用于合成碳酸亚烷基酯的聚合物载体催化剂和通过使用聚合物载体催化剂制备碳酸亚烷基酯的方法，以提高产率，减少反应时间并使催化剂回收和再利用 更有效。 构成：聚合物载体催化剂包含含有吡啶基或膦基的聚合物载体; 和ZnX 2负载于聚合物载体，其中X是卤素原子。 优选地，聚合物载体催化剂中Zn的含量为1-20重量％ 含有吡啶基的聚合物选自聚（乙烯基吡啶），聚（4-乙烯基吡啶 - 甲基丙烯酸叔丁酯），聚（2-乙烯基吡啶 - 共 - 苯乙烯），聚（4-乙烯基吡啶） ）和交联聚（4-乙烯基吡啶）; 通过使聚（乙烯基苄基氯）与锂金属反应，并使所得的R 2与R 2是苯基，CH 3，CH 3 CH 2或环己基的R2PX反应得到含有膦基的聚合物; X为卤素原子。
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公开(公告)号：KR100391845B1
公开(公告)日：2003-07-16
申请号：KR1020000006402
申请日：2000-02-11
Applicant: 한국과학기술연구원
IPC: C07D317/14
CPC classification number: C07D317/36 , C07D317/38
Abstract: The present invention relates to a method to prepare alkylene carbonate of the formula (1)wherein, R1 and R2 are each independently H; C1-C4 alkyl or phenyl group;which method characterized by reacting alkylene oxide with carbon dioxide in the presence of a catalyst system comprising a) metal halide [MXm] and b) pyridine or pyridine derivative [Py], wherein Py is selected from a group of pyridines; M is a metal atom selected from the group consisting of Zn, Fe, Mn, Pb and In; X is a halogen selected from the group consisting of Cl, Br and I; and m is 2 or 3.
Abstract translation: 本发明涉及制备式（1）的亚烷基碳酸酯的方法，其中R 1和R 2各自独立地为H; C 1 -C 4烷基或苯基;该方法的特征在于使烯化氧与二氧化碳在包含a）金属卤化物[MXm]和b）吡啶或吡啶衍生物[Py]的催化剂体系存在下反应，其中Py选自 一组吡啶; M是选自Zn，Fe，Mn，Pb和In的金属原子; X是选自Cl，Br和I的卤素; m是2或3。
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公开(公告)号：KR1020010011158A
公开(公告)日：2001-02-15
申请号：KR1019990030399
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/00
Abstract: PURPOSE: A method for preparing alkylene carbonate is provided which can synthesize high yield of alkylene carbonate under unstringent condition by using lithium halide as a catalyst. The catalyst has a high catalytic activity, and is easy to separate from a product and to reprocess the catalyst. CONSTITUTION: The alkaline carbonate of formula (1) is prepared by reacting alkylene oxide with carbon dioxide using one or more lithium halides selected from LiX (wherein, X=Cl, Br or I) as the catalyst, wherein R1 and R2 are independently hydrogen or C1-C4 alkyl. The conditions are as follows: 80-170deg.C of a reaction temperature and 10-100 atm of an air pressure.
Abstract translation: 目的：提供一种制备碳酸亚烷基酯的方法，其可以通过使用卤化锂作为催化剂，在非收缩条件下合成高产率的碳酸亚烷基酯。 催化剂具有高催化活性，并且容易与产物分离并重新加工催化剂。 构成：通过使用一种或多种选自LiX（其中，X = Cl，Br或I）的卤化锂作为催化剂使烯化氧与二氧化碳反应制备式（1）的碱式碳酸酯，其中R1和R2独立地为氢 或C 1 -C 4烷基。 条件如下：80-170℃的反应温度和10-100atm的空气压力。
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公开(公告)号：KR1020010011161A
公开(公告)日：2001-02-15
申请号：KR1019990030402
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/00
CPC classification number: C07D317/36 , C07D317/38
Abstract: PURPOSE: A method for preparing alkylene carbonate is provided which can synthesize high yield of alkylene carbonate under unstringent condition by using a catalyst comprising lead halide compounds and/or indium halide compounds and alkaline metal halide. The catalyst system has a high catalytic activity, and is easy to separate from a product and to reprocess the catalyst. CONSTITUTION: The alkaline carbonate of formula (1) is prepared by reacting alkylene oxide with carbon dioxide using the catalyst system consisting of one or more alkaline metal halides selected from MX (wherein, M=alkaline metal and X=Cl, Br or I) and one or more compounds selected from PbY2 or InY3 (wherein, Y=Cl, Br or I), wherein R1 and R2 are independently hydrogen or C1-C4 alkyl. The alkaline metal M is Na or K. The conditions are as follows: 80-180deg.C of a reaction temperature and 10-100 atm of an air pressure.
Abstract translation: 目的：提供一种制备碳酸亚烷基酯的方法，其可以通过使用包含卤化铱化合物和/或卤化铟化合物和碱金属卤化物的催化剂在非收缩条件下合成高产率的碳酸亚烷基酯。 该催化剂体系具有高催化活性，并且容易与产物分离并重新加工催化剂。 构成：式（1）的碱性碳酸酯通过使用由一种或多种选自MX（其中M =碱金属和X = Cl，Br或I）的碱金属卤化物组成的催化剂体系使烯化氧与二氧化碳反应制备， 和一种或多种选自PbY 2或InY 3（其中，Y = Cl，Br或I）的化合物，其中R 1和R 2独立地为氢或C 1 -C 4烷基。 碱金属M是Na或K.条件如下：80-180℃的反应温度和10-100atm的空气压力。
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Patent Agency Ranking
公开(公告)号：KR1020040061164A
公开(公告)日：2004-07-07
申请号：KR1020020086949
申请日：2002-12-30
Applicant: 한국과학기술연구원
IPC: C07C68/04
CPC classification number: Y02P20/142
Abstract: PURPOSE: A method for preparing an alkylene carbonate by using an imidazolium zinc tetrahalide catalyst is provided, to allow an alkylene carbonate to be obtained at a lower pressure and a lower temperature in a short time. CONSTITUTION: The method comprises the step of reacting an alkylene oxide and carbon dioxide in the presence of a catalyst which is an imidazolium zinc tetrahalide represented by the formula 1, wherein R1 and R2 are identical or different each other and are a linear or branched alkyl group of C1-C18, an aryl group of C6-C12 or an aralkyl group of C7-C12; X and Y are identical or different each other and are Cl, Br or I; and n is an integer of 1-4. Preferably the reaction is carried out at a temperature of 60-140 deg.C and a pressure of 10-100 atm. In the case that the reaction is carried out in a solvent, the solvent is ethylene carbonate or propylene carbonate. Preferably the alkylene oxide is represented by the formula 2, wherein R3 and R4 are identical or different each other and are an alkyl group of C1-C4 or a phenyl group.
Abstract translation: 目的：提供通过使用咪唑鎓四卤化钼催化剂制备碳酸亚烷基酯的方法，以在短时间内在较低压力和较低温度下获得碳酸亚烷基酯。 方案：该方法包括在由式1表示的作为四卤化钼的咪唑鎓锌的催化剂存在下使环氧烷和二氧化碳反应的步骤，其中R 1和R 2彼此相同或不同，并且是直链或支链烷基 C1-C18基团，C6-C12的芳基或C7-C12的芳烷基; X和Y相同或不同，为Cl，Br或I; n为1-4的整数。 优选地，反应在60-140℃的温度和10-100atm的压力下进行。 在反应在溶剂中进行的情况下，溶剂是碳酸亚乙酯或碳酸亚丙酯。 优选地，环氧烷由式2表示，其中R 3和R 4彼此相同或不同，并且是C 1 -C 4或苯基的烷基。
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公开(公告)号：KR1020040061163A
公开(公告)日：2004-07-07
申请号：KR1020020086948
申请日：2002-12-30
Applicant: 한국과학기술연구원
IPC: C07C68/04
CPC classification number: Y02P20/142
Abstract: PURPOSE: A method for preparing an alkylene carbonate by using a quaternary ammonium zinc tetrahalide catalyst is provided to allow an alkylene carbonate to be obtained at a lower pressure and a lower temperature in a short time. CONSTITUTION: The method comprises the step of reacting an alkylene oxide and carbon dioxide in the presence of a catalyst which is a quaternary ammonium zinc tetrahalide represented by £R1R2R3R4N|2ZnXnY(4-n), wherein R1, R2, R3 and R4 which are identical or different one another represent a linear or branched alkyl group of C1-C18, an aryl group of C6-C12 or an aralkyl group of C7-C12; X and Y which are identical or different each other represent Cl, Br or I; and n is an integer of 1-4. Preferably the reaction is carried out at a temperature of 60-140 deg.C and a pressure of 10-100 atm. In the case that the reaction is carried out in a solvent, the solvent is ethylene carbonate or propylene carbonate. Preferably the alkylene oxide is represented by the formula 2, wherein R5 and R6 are identical or different each other and are an alkyl group of C1-C4 or a phenyl group.
Abstract translation: 目的：提供通过使用季铵四卤化钛催化剂制备碳酸亚烷基酯的方法，以在短时间内在较低的压力和较低的温度下获得碳酸亚烷基酯。 构成：该方法包括在由R1R2R3R4N | 2ZnXnY（4-n）表示的四卤化四季铵锌的催化剂存在下使环氧烷和二氧化碳反应的步骤，其中R1，R2，R3和R4是 相同或不同的表示C1-C18的直链或支链烷基，C6-C12的芳基或C7-C12的芳烷基; 彼此相同或不同的X和Y表示Cl，Br或I; n为1-4的整数。 优选地，反应在60-140℃的温度和10-100atm的压力下进行。 在反应在溶剂中进行的情况下，溶剂是碳酸亚乙酯或碳酸亚丙酯。 优选地，环氧烷由式2表示，其中R 5和R 6相同或不同，并且是C 1 -C 4或苯基的烷基。
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公开(公告)号：KR1020020066819A
公开(公告)日：2002-08-21
申请号：KR1020010007231
申请日：2001-02-14
Applicant: 한국과학기술연구원
IPC: C07D317/36
Abstract: PURPOSE: Provided is a production method of alkylene carbonates by reacting alkylene oxide and carbon dioxide, in high yield within a short period of time. CONSTITUTION: The production method of alkylene carbonate of the formula(2) is characterized by reacting alkylene oxide and carbon dioxide using a catalyst such as a zinc compound having a bridged ligand consisting of a pyrimidine compound of the formula(1): Znn(μ-OR)nX2n and alkylene oxide and halogen ion as a ligand. In the formula(1), R is a compound consisting of ethylene oxide and pyrimidine compound, X is a halogen atom selected from the group consisting of Cl, Br, I, and n is an integer of 2 or 3. In the formula(2), R1 and R2 are independently hydrogen, a C1-4 alkyl group or a phenyl group.
Abstract translation: 目的：提供在短时间内以高收率使环氧烷和二氧化碳反应的碳酸亚烷基酯的制造方法。 构成：式（2）的碳酸亚烃的制备方法的特征在于使用催化剂如具有由式（1）的嘧啶化合物构成的桥连配体的锌化合物的催化剂：Znn（μ -OR）nX2n和氧化烯和卤素离子作为配体。 在式（1）中，R是由环氧乙烷和嘧啶化合物组成的化合物，X是选自Cl，Br，I的卤素原子，n是2或3的整数。在式 2）中，R 1和R 2独立地为氢，C 1-4烷基或苯基。
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公开(公告)号：KR100321116B1
公开(公告)日：2002-03-18
申请号：KR1019990030402
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/00
CPC classification number: C07D317/36 , C07D317/38
Abstract: 본발명은아래의화학식 2의조성을갖는촉매계의존재하에서알킬렌옥사이드와이산화탄소를반응시켜알킬렌카보네이트를제조하는방법에관한것이다. 상기화학식 2 중에서, M은알칼리금속, X와 Y는서로독립적으로 Cl, Br, I로구성되는군에서선택된할로겐원소이며, a와 b는 a와 b의비율이 1:20에서 5:1까지만족시키는정수이다.
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公开(公告)号：KR100531131B1
公开(公告)日：2005-11-28
申请号：KR1020020086948
申请日：2002-12-30
Applicant: 한국과학기술연구원
IPC: C07C68/04
CPC classification number: Y02P20/142
Abstract: 본 발명은 4급 암모늄 아연테트라할라이드 촉매를 이용한 알킬렌카보네이트의 제조방법에 관한 것으로서, 보다 상세하게는 다음 화학식 1로 나타낼 수 있는 4급 암모늄 아연테트라할라이드 촉매를 사용하고 알킬렌옥사이드와 이산화탄소를 원료물질로 사용하여 기존의 촉매계보다 낮은 압력과 낮은 온도조건에서 빠른 시간내에 높은 수율로 알킬렌카보네이트를 제조하는 방법에 관한 것이다.
[R
1 R
2 R
3 R
4 N]
2 ZnX
n Y
4-n
상기 화학식 1에서, R
1 , R
2 , R
3 및 R
4 는 각각 같거나 다른 것으로 C
1∼18 인 사슬형 또는 가지형 알킬기, C
6∼12 인 아릴기 및 C
7∼12 인 아르알킬기 중에서 선택된 것이고; X 및 Y는 각각 같거나 다른 것으로 염소, 브롬 및 요오드를 포함하는 할로겐 원자 중에서 선택된 것이며; n은 1 ∼ 4 사이의 정수이다.
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