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公开(公告)号：KR100389459B1
公开(公告)日：2003-06-27
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：提供一种通过使烯化氧和二氧化碳在短时间内以高收率反应的碳酸亚烷基酯的生产方法。 构成：式（2）的碳酸亚烷基酯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与烯化氧和二氧化碳反应： ; mu; -OR）nX2n和烯化氧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的卤原子，并且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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Patent Agency Ranking
公开(公告)号：KR100321115B1
公开(公告)日：2002-03-29
申请号：KR1019990030400
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/36
CPC classification number: C07D317/38 , C07D317/36
Abstract: 본발명은아래의화학식 2의조성을갖는촉매계의존재하에서알킬렌옥사이드와이산화탄소를반응시켜알킬렌카보네이트를제조하는방법에관한것이다. 상기화학식 2 중에서, M은알칼리금속, X와 Y는서로독립적으로 Cl, Br, I로구성되는군에서선택된할로겐원소이고, a와 b는 a와 b의비율이 20:1에서 1:5까지만족시키는정수이다.
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公开(公告)号：KR1020010081225A
公开(公告)日：2001-08-29
申请号：KR1020000006402
申请日：2000-02-11
Applicant: 한국과학기술연구원
IPC: C07D317/14
CPC classification number: C07D317/36 , C07D317/38
Abstract: PURPOSE: Provided is a method for synthesizing alkylene carbonate using catalysts comprising metal halogen compounds and pyridine ligands. Therefore, the alkylene carbonate can rapidly and cheaply produced in higher yield under conditions of low temperature and low pressure. CONSTITUTION: The alkylene carbonate represented by formula (2) is synthesized by reacting alkylene with carbon dioxide using organic metal compounds as catalysts represented by formula (1) of a(Py)/b(MXm), wherein Py is pyridines represented by formulas (3), (4) or (5), M is a metal selected from Zn, Fe, Mn, Pb and In, X is halogen selected from Cl, Br and I, and m is an integer of 2 or 3; R1 and R2 are individually hydrogen, C1 to C4 alkyl or phenyl; and R3, R4 and R5 are individually hydrogen, C1 to C4 alkyl or phenyl; and x, y and z are individually 0 to 3 and c is an integer of 2 to 4.
Abstract translation: 目的：提供使用包含金属卤素化合物和吡啶配体的催化剂合成碳酸亚烷基酯的方法。 因此，碳酸亚烃酯可以在低温低压条件下以较高的收率快速，廉价地生产。 构成：由式（2）表示的碳酸亚烷酯是使用有机金属化合物作为（Py）/ b（MXm）的式（1）表示的催化剂使亚烷基与二氧化碳反应合成的，其中Py是由式 3），（4）或（5）中，M是选自Zn，Fe，Mn，Pb和In的金属，X是选自Cl，Br和I的卤素，m是2或3的整数; R1和R2分别是氢，C1-C4烷基或苯基; 且R 3，R 4和R 5分别为氢，C 1至C 4烷基或苯基; x，y和z分别为0〜3，c为2〜4的整数。
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公开(公告)号：KR1020010011159A
公开(公告)日：2001-02-15
申请号：KR1019990030400
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/36
CPC classification number: C07D317/38 , C07D317/36
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 manganese halide compounds and alkaline metal halide. The catalyst system has a high catalytic activity, and is easy to separate from a product because it consists of simple inorganic salts. 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 manganese halide compounds selected from MnY2 (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: 90-170deg.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，其可以通过使用包含卤化锰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，易于与产品分离，因为它由简单的无机盐组成。 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MnY 2（其中，Y = Cl，Br或I）的卤化锰化合物，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：反应温度为90-170℃，空气压力为10-100atm。
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公开(公告)号：KR100531132B1
公开(公告)日：2005-11-28
申请号：KR1020020086949
申请日：2002-12-30
Applicant: 한국과학기술연구원
IPC: C07C68/04
CPC classification number: Y02P20/142
Abstract: 본 발명은 이미다졸륨 아연테트라할라이드 촉매를 이용한 알킬렌카보네이트의 제조방법에 관한 것으로서, 보다 상세하게는 이온성 액체(ionic liquid)인 이미다졸륨 할라이드(imidazolium halide)와 아연할라이드를 반응시켜 제조한 다음 화학식 1로 나타낼 수 있는 이미다졸륨 아연테트라할라이드 촉매를 사용하고 알킬렌옥사이드와 이산화탄소를 원료물질로 사용하여 기존의 촉매계보다 낮은 압력과 온도 조건에서 빠른 시간 내에 높은 수율로 알킬렌카보네이트를 제조하는 방법에 관한 것이다.
상기 화학식 1에서, R
1 및 R
2 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 염소, 브롬 및 요오드를 포함한 할로겐원자 중에서 선택된 것이며; n은 1 ∼ 4 사이의 정수이다.-
公开(公告)号：KR100508700B1
公开(公告)日：2005-08-17
申请号：KR1020020026560
申请日：2002-05-14
Applicant: 한국과학기술연구원
IPC: C08G64/20
Abstract: 본 발명은 알킬렌카보네이트 합성용 고분자 지지촉매와 이를 이용한 알킬렌카보네이트 제조방법에 관한 것으로, 더욱 상세하게는 피리딘기 또는 포스핀기를 포함하는 고분자 담체상에 ZnX
2 (이때, X는 할로겐 원자)가 지지되어 있는 신규 고분자 지지촉매와 상기한 고분자 지지촉매 존재하에서 알킬렌옥사이드와 이산화탄소를 반응시켜 알킬렌카보네이트를 제조하는 방법에 관한 것이다.
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