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公开(公告)号：KR1020030033453A
公开(公告)日：2003-05-01
申请号：KR1020010065241
申请日：2001-10-23
Applicant: 한국과학기술연구원
IPC: C07D301/12
Abstract: PURPOSE: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and sodium hypochlorite is provided, thereby rapidly and selectively preparing the hexafluoropropylene oxide in higher yields. CONSTITUTION: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and sodium hypochlorite comprises the steps of: (1) mixing an organic solvent with a sodium hypochlorite(NaOCl) solution; (2) adding a phase shift catalyst and an oxidation catalyst into the mixture; (3) cooling the mixture to -20 to 0 deg. C, followed by vacuum pumping it to remove air, and dissolving hexafluoropropylene(HFP) in it; (4) reacting the mixture at -20 to 0 deg. C; and (5) slowly increasing temperature of the mixture from -20-0 deg. C to 40-60 deg. C, wherein the phase shift catalyst is halogenide of quaternary ammonium salt(R-tetraammonium-X), in which R is C2-7 of alkyl and X is Cl, Br or I; and the oxidation catalyst is transition metal chloride.
Abstract translation: 目的：提供从六氟丙烯和次氯酸钠制备六氟环氧丙烷的方法，从而以更高的收率快速且有选择地制备六氟环氧丙烷。 构成：从六氟丙烯和次氯酸钠制备六氟环氧丙烷的方法包括以下步骤：（1）将有机溶剂与次氯酸钠（NaOCl）溶液混合; （2）向混合物中加入相变催化剂和氧化催化剂; （3）将混合物冷却至-20至0℃。 然后真空抽吸以除去空气，并将六氟丙烯（HFP）溶解在其中; （4）使混合物在-20℃至0℃下反应。 C; 和（5）将混合物的温度从-20℃缓慢升高。 C至40-60度 C，其中相变催化剂是季铵盐（R-四铵-X）的卤化物，其中R是C 2-7烷基，X是Cl，Br或I; 氧化催化剂为过渡金属氯化物。
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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：KR1020010073458A
公开(公告)日：2001-08-01
申请号：KR1020000001855
申请日：2000-01-15
Applicant: 한국과학기술연구원
IPC: C07C41/01
Abstract: PURPOSE: A method is provided which manufactures 2,2,2-trifluoroethyl trifluoromethyl ether in a high yield ratio by reacting CF3CH2OH with CXCl3 (X="F" or Cl) and HF using chlorides or oxides of a metal selected from the group consisting of Sn, Ti, Al, Zn, and Ce as a catalyst. CONSTITUTION: In a method for manufacturing 2,2,2-trifluoroethyl trifluoromethyl ether by reacting CF3CH2OH with CXCl3 (X="F" or Cl) and HF under the existence of catalyst, the method is characterized in that chlorides or oxides of a metal selected from the group consisting of Sn, Ti, Al, Zn, and Ce are used as a catalyst, wherein an amount of the catalyst is 0.005 to 1 mole per one mole of trifluoroethanol, wherein an amount of CXCl3 (X="F" or Cl) is 1 to 10 moles per one mole of trifluoroethanol, wherein an amount of HF is 5 to 50 moles per one mole of trifluoroethanol, and wherein a temperature of the reaction is 100 to 200 deg.C.
Abstract translation: 目的：提供一种通过使CF 3 CH 2 OH与CXCl 3（X =“F”或Cl）和HF反应的氟化物或金属的选自以下的金属的氯化物或氧化物以高产率制备2,2,2-三氟乙基三氟甲基醚的方法： 的Sn，Ti，Al，Zn和Ce作为催化剂。 构成：在催化剂存在下，通过使CF 3 CH 2 OH与CXCl 3（X =“F”或Cl）和HF反应制备2,2,2-三氟乙基三氟甲基醚的方法，其特征在于氯化物或金属的氧化物 选自Sn，Ti，Al，Zn和Ce的催化剂，其中催化剂的量相对于每摩尔三氟乙醇为0.005〜1摩尔，其中CXCl 3（X =“F” 或Cl）为1至10摩尔/ 1摩尔三氟乙醇，其中HF的量为每摩尔三氟乙醇为5至50摩尔，并且其中反应温度为100至200摄氏度。
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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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Patent Agency Ranking
公开(公告)号：KR100239680B1
公开(公告)日：2000-02-01
申请号：KR1019970051416
申请日：1997-10-07
Applicant: 한국과학기술연구원
IPC: C07C211/18
CPC classification number: C07C209/72 , C07C211/36
Abstract: 루테늄 촉매와 금속 아질산염의 존재 하에 유기 용매 중에서, 방향족 디아민을 수소화 반응시켜 시클로 지방족 디아민 화합물을 제조하는 방법으로서, 종래 기술에 비해 반응 시간이 단축되고 그 수율이 향상되는 효과가 있다.
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公开(公告)号：KR1019990079327A
公开(公告)日：1999-11-05
申请号：KR1019980011862
申请日：1998-04-03
Applicant: 한국과학기술연구원
IPC: C07C271/26 , C07C271/24
Abstract: Se, SeO
2 , (CH
3 O)SE(O)(OM), (CH
3 CH
2 O)Se(O)(OH) 중에서 선택된 1종 이상의 셀레늄계 촉매 및 M
2 CO
3 (M=알칼리 금속)의 구조식을 갖는 조촉매의 존재하에서 아민을 알코올 및 CO/O
2 혼합가스와 반응시켜 카바메이트를 제조하는 방법.-
公开(公告)号：KR1019980083299A
公开(公告)日：1998-12-05
申请号：KR1019970018548
申请日：1997-05-13
Applicant: 한국과학기술연구원
IPC: C07C269/04
Abstract: Cu[NCMe
4 ]X, K[CuX
2 ], [(CuX)S)]
n (X=Cl, Br, I; S=용매)의 구조식 (X=Cl, BR, I)을 갖는 1가의 할로겐화 구리화합물, 또는 구조식 [Cu(CO)X
a L
b ]
m Y
n (X=CF
3 CO
2 , Cl, HB(PZ)
2 (PZ=pyrazoyl, C
3 H
3 N
2 ), LBF
2 {LBF
2 =difluoro-3,3'-(trimethylenedinitrilo)bis(2-butanone oximato)borate}; L=en, diene; Y=BPh
4 , AsF
6 ; a, b=0, 1; m=1 -4; n=0, 1)의 카르보닐기(Cu-CO)를 갖는 1가의 구리 화합물 중에서 선택된 1종 이상의 촉매 존재 하에서 아민을 알코올 및 CO/O
2 혼합가스와 반응시키는 것으로 되는 카바메이트류의 제조방법이 제공된다.-
公开(公告)号：KR100125143B1
公开(公告)日：1997-11-27
申请号：KR1019940032574
申请日：1994-12-02
Applicant: 한국과학기술연구원
CPC classification number: B01J23/26 , B01J23/866 , C07C17/206
Abstract: The catalyst for fluorizing 1,1,1-trifluoro-2,2-dichloroethan consisted of a compound selected from a group comprising of magnesium and calcium, one or more metal element selected from a group comprising of zinc, cerium and nickel, and chrome and the preparing method thereof are disclosed. The mole ratio of chrome to magnesium or calcium is 1:1 to 1:32 and the mole ratio of chrome to metal element is at least 1:0.5. Thereby, the active ingredient of the catalyst is more uniformly distributed, thus the activity and the life of the catalyst are remarkably improved.
Abstract translation: 用于氟化1,1,1-三氟-2,2-二氯乙烷的催化剂由选自镁和钙的组成的化合物，选自锌，铈和镍的一种或多种金属元素和铬 并公开了其制备方法。 铬与镁或钙的摩尔比为1:1至1:32，铬与金属元素的摩尔比至少为1:0.5。 因此，催化剂的活性成分更均匀地分布，催化剂的活性和寿命显着提高。
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公开(公告)号：KR1019970069959A
公开(公告)日：1997-11-07
申请号：KR1019960012394
申请日：1996-04-23
Applicant: 한국과학기술연구원
IPC: C07C19/08
Abstract: 본원발명은 제1단계 반응에서 1,1,1-트리플루오로-2-클로로에탄과 불화수소와 염소를 반응시켜 HFC-134a와 HFC-125를 함께 제조하고, 제2단계 반응에서 제1단계 반응생성물에 트리클로로에틸렌을 첨가하여 HFC-133a를 제조한 다음, 제2단계 반응생성물에서 HFC-134a와 HFC-125 및 염화수소를 분리하고, 그 나머지 혼합물을 상기 제1단계 반응으로 순환시키는 것으로 이루어지는 HFC-134a와 HFC-125를 동시에 제조하는 방법에 관한 것이다.
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