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    • 6. 发明申请
    • CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE
    • 基于代理的离子液体,制备方法及其使用
    • WO2009016235A2
    • 2009-02-05
    • PCT/EP2008/060066
    • 2008-07-31
    • Akzo Nobel N.V.DE WOLF, Cornelia AdrianaKUZMANOVIC, BorisBEMELAAR, Johanna HendrikaVAN STRIEN, Cornelis Johannes GovardusHEUS, MartinTEN KATE, Antoon
    • DE WOLF, Cornelia AdrianaKUZMANOVIC, BorisBEMELAAR, Johanna HendrikaVAN STRIEN, Cornelis Johannes GovardusHEUS, MartinTEN KATE, Antoon
    • C07C211/63C07C215/40C07C229/16C07C229/76C07F9/54
    • C07C229/16C07C211/63C07C215/40C07C229/76C07F9/5407
    • The present invention relates to ionic liquids of the formula: (M m+ ) x H + y nN + R 1 R 2 R 3 R 4 Z-N(-CHXCOO - ) p Y 2-p or (M m+ ) x H + y nP + R 1 R 2 R 3 R 4 Z-N(-CHXCOO - ) p Y 2-p wherein any one of R 1 to R 4 independently represents a hydrogen, alkyl, cycloalkyl, aryl or aralkyl group that may be unsubstituted or substituted with one or more groups selected from OH, Cl, Br, F, I, phenyl, NH 2 , CN, NO 2, an ether group, COOR 5 , CHO, COR 5 or OR 5 , wherein R 5 is an alkyl or cycloalkyl group, and wherein two of the groups R 1 to R 4 together with the N atom may form a heteroaromatic or heterocyclic group such as a pyridinium, pyrrolidinium or imidazolium group; the Z-N(-CHXCOO - )pY 2-p is the anion derived from a chelating agent, wherein Z is a group selected from hydrogen, alkyl, an alkyl group optionally substituted with one or more carboxylate groups, hydroxyl groups and/or optionally containing one or more ether functionalities, or Z is a group of the formula -CH 2 -CHR 6 -R 7 -N-(CH 2 COO - ) 2 , R 6 is hydrogen or a C 1 -C 3 alkyl group, R 7 is a single bond, a C 1 -C 3 alkylene group or one or more groups of the formula -N(CH 2 COO - )-CH 2 -CHR 6 -R 8 -, R 8 is a single bond or a C 1 -C 3 alkylene group, p is 2 or 1, X is H, an aryl group that may be unsubstituted or substituted with an OH and/or CH 3 substituent, or CH 2 COO - , and when p is 1, Y is H, a benzyl group that may be unsubstituted or substituted with an OH and/or CH 3 group, or a phenyl group that may be unsubstituted or substituted with an OH and/or CH 3 substituent, M m+ is a m-valent metal cation, n is 1 or higher, x is from 0 to 5, y is from 0 to 3, the total positive charge of (M m+ ) x , H + y ,and nN + R 1 R 2 R 3 R 4 or nP + R 1 R 2 R 3 R 4 equals the negative charge of the Z-N(-CHXCOO - ) p Y 2-p anion, wherein at least one of the following conditions is fulfilled: i) the chelating agent has a connectivity index 1 X/ 3 X of below 2.17, ii) at least two different cations are present in the salt, whereby a proton cation does not count as one of the at least two, iii) at least one cation is a bivalent, trivalent, tetravalent or pentavalent cation, and having a melting point below 120°C. The invention further relates to a process to prepare them and their use.
    • 本发明涉及下式的离子液体:(Mm +)xH + y nN + R1R2R3R4ZN(-CHXCOO-)pY2-p或(Mm +)xH + ynP + R1R2R3R4Z-N(-CHXCOO-)pY2-p其中任何 R 1至R 4中的一个独立地表示氢,烷基,环烷基,芳基或芳烷基,其可以是未取代的或被一个或多个选自OH,Cl,Br,F,I,苯基,NH 2,CN,NO 2, 醚基,COOR 5,CHO,COR 5或OR 5,其中R 5是烷基或环烷基,并且其中R 1至R 4中的两个与N原子一起可以形成杂芳族或杂环基,例如吡啶鎓,吡咯烷鎓或咪唑鎓基团 ; ZN(-CHXCOO-)pY2-p是衍生自螯合剂的阴离子,其中Z是选自氢,烷基,任选被一个或多个羧酸酯基团取代的烷基,羟基和/或任选地含有一个 或更多的醚官能团,或Z是式-CH2-CHR6-R7-N-(CH2COO-)2的基团,R6是氢或C1-C3烷基,R7是单键,C1-C3亚烷基 基团或一个或多个式-N(CH 2 COO - ) - CH 2 - CHR 6 -R 8 - 的基团,R 8是单键或C 1 -C 3亚烷基,p是2或1,X是H, 可以是未被取代的或被OH和/或CH 3取代基或CH 2 COO-取代的,当p是1时,Y是H,可以是未取代的或被OH和/或CH 3基团取代的苄基或苯基 其可以是未取代的或被OH和/或CH 3取代基取代,M m +是m价金属阳离子,n为1或更高,x为0至5,y为0至3,( Mm +)x,H +​​ y和nN + R1R2R3R4或 nP + R1R2R3R4等于ZN(-CHXCOO-)pY2-p阴离子的负电荷,其中满足以下条件中的至少一个:i)螯合剂具有低于2.17的连续性指数1 X / 3 X,ii )盐中存在至少两种不同的阳离子,其中质子阳离子不计为至少两种,iii)至少一种阳离子之一是二价,三价,四价或五价阳离子,并且具有低于 120℃。 本发明还涉及制备它们及其用途的方法。
    • 7. 发明申请
    • PROCESS TO PREPARE AMINO ACID-N, N-DIACETIC ACID COMPOUNDS
    • 制备氨基酸-N,N-二酸化合物的方法
    • WO2008065109A1
    • 2008-06-05
    • PCT/EP2007/062881
    • 2007-11-27
    • Akzo Nobel N.V.HEUS, MartinLAMMERS, HansVOLMER, Arie
    • HEUS, MartinLAMMERS, HansVOLMER, Arie
    • C07C227/40C07C229/16C07C229/24B01D61/44
    • C07C227/40B01D61/44C07C229/16C07C229/24
    • The invention relates to a process for the production of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups or its salt with less than an equivalent of alkaline metal based on the number of carboxyl groups, said process comprising reducing alkali metal ions from an aqueous solution of an alkali metal salt of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups and acidifying the amino carboxylate starting material by first performing a chemical acidification step using an organic or inorganic acid to get a compound in which at least one of the groups is protonated, and in a subsequent step further acidifying the amino carboxylate starting material and reducing alkali metal ions from an aqueous solution of the partially acidified alkali metal salt of the amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups by electrodialysis, wherein the electrodialysis is performed using a hydrogen ion permselective membrane on the anode side and a cation-permeable membrane on the cathode side.
    • 本发明涉及一种制备具有至少一个仲氨基或叔氨基和三个或更多个羧基的氨基酸的方法或其盐,其基于羧基数目少于等于碱当量,所述方法包括 从具有至少一个仲或叔氨基和三个或多个羧基的氨基酸的碱金属盐的水溶液中还原碱金属离子,并且通过首先使用有机或不饱和羧酸盐进行化学酸化步骤酸化氨基羧酸盐原料 无机酸,得到其中至少一个基团被质子化的化合物,并且在随后的步骤中,进一步酸化氨基羧酸酯起始原料并从部分酸化的氨基酸的碱金属盐的水溶液中还原碱金属离子,其具有 至少一个仲或叔氨基和三个或更多个羧基通过电渗析,其中选择 使用阳极侧的氢离子选择性膜和阴极侧的阳离子透过膜进行透析。