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    • 7. 发明授权
    • Etherification of polyoxyalkylene derivatives
    • 聚氧化烯衍生物的醚化
    • US4922029A
    • 1990-05-01
    • US228488
    • 1988-08-05
    • Stefan BirnbachJosef MuellerKlaus WulzJochen Houben
    • Stefan BirnbachJosef MuellerKlaus WulzJochen Houben
    • C07C43/11C07C41/00C07C41/16C07C67/00C08G65/26C08G65/32C08G65/334
    • C08G65/3344C08G65/2609
    • Etherified polyoxyalkylene derivatives of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.20 -alkyl or C.sub.3 -C.sub.5 -alkenyl, R.sup.2 and R.sup.3 independently of one another are each hydrogen, methyl or ethyl, R.sup.4 is C.sub.1 -C.sub.4 -alkyl and m and n are identical or different and are each greater than or equal to 0, with the proviso that the sum of m and n is from 3 to 300, are prepared by reacting the corresponding hydroxyl-containing polyoxyalkylene derivative with a dialkyl sulfate in the presence of an alkali metal hydroxide by a process in which the reaction is carried out at from 20.degree. to 60.degree. C. in the presence of an aqueous solution of an alkali metal hydroxide, the concentration of alkali metal hydroxide during the entire duration of the reaction being not less than 35% by weight, based on the aqueous phase, and not less than 1 mole of dialkyl sulfate and not less than one mole of alkali metal hydroxide are used per mole equivalent of organic hydroxyl groups.
    • 其中R 1为氢,C 1 -C 20 - 烷基或C 3 -C 5 - 链烯基,R 2和R 3彼此独立的通式为“IMAGE”的醚化的聚氧化烯衍生物各自为氢,甲基或乙基,R 4为C 1 -C 4烷基和m 和n相同或不同,并且各自大于或等于0,条件是m和n的总和为3至300,通过使相应的含羟基的聚氧化烯衍生物与硫酸二烷基酯在存在下反应来制备 的碱金属氢氧化物,其中在碱金属氢氧化物水溶液的存在下,在20℃至60℃下进行反应的过程,在反应的整个持续时间内碱金属氢氧化物的浓度 相对于水相为35重量%以上,相对于每摩尔当量的有机羟基,使用不小于1摩尔的二烷基硫酸盐和不小于1摩尔的碱金属氢氧化物。
    • 8. 发明授权
    • Use of 2-hydroxy-3-aminopropionic acid derivatives as complexing agents,
bleach stabilizers and builders in detergent compositions
    • 2-羟基-3-氨基丙酸衍生物作为复合剂,漂白稳定剂和洗涤剂组合物中的建筑物的使用
    • US5112530A
    • 1992-05-12
    • US552098
    • 1990-07-13
    • Richard BaurCharalampos GousetisStefan BirnbachMichael KneipAlfred Oftring
    • Richard BaurCharalampos GousetisStefan BirnbachMichael KneipAlfred Oftring
    • C07H5/04C07C229/22C11D3/33C11D3/37C11D3/39
    • C11D3/3773C11D3/33C11D3/3723C11D3/3769C11D3/394
    • 2-Hydroxy-3-aminopropionic acid derivatives of the general formula I ##STR1## where X is hydrogen, an alkali metal or ammonium which may be substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -hydroxyalkyl, and Y.sup.1 and Y.sup.2 have the following meanings:A) .omega.-substituted alkyl of the general formula--(CH.sub.2).sub.m --R.sup.1 where R.sup.1 is hydrogen, hydroxyl or --COOX, --NH--CH(COOX)--CH.sub.2 --COOX or --NY.sup.1 Y.sup.2 and m is from 1 to 20, although m is not 1 when Y.sup.1 and Y.sup.2 are identical and R.sup.1 is --COOX,B) a polyether group of the general formula--(CH.sub.2 CH.sub.2 O).sub.m --R.sup.2 where R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl,C) a .beta.-hydroxyl-substituted group of the general formula ##STR2## where R.sup.3 is --COOX, --CH.sub.2 OH or --CH.sub.2 --NY.sup.1 Y.sup.2 and n is from 1 to 5,D) an .alpha.-carboxyl-substituted group of the general formula ##STR3## where R.sup.4 is hydrogen, methyl or hydroxymethyl and R.sup.5 is hydroxymethyl or --CH(OH)--COOX or --(CH.sub.2).sub.p --COOX, where p is 1 or 2,E) pyranosyl or furanosyl of the general formula ##STR4## where q is 3 or 2, or F) a polymeric residue of a polyvinylamine or polyethyleneimine,are useful as complexing agents, bleach stabilizers and builders in detergent compositions.
    • 通式I的2-羟基-3-氨基丙酸衍生物,其中X是氢,可被C 1 -C 4 - 烷基或C 1 -C 4 - 羟基烷基取代的碱金属或铵,以及Y 1和Y 2具有 具有以下含义:A)通式 - (CH 2)m -R 1的ω-取代的烷基,其中R 1是氢,羟基或-COOX,-NH-CH(COOX)-CH 2 -COO或-NY 1 Y 2,m是1 当Y 1和Y 2相同并且R 1是-COOX时,m不为1,B)通式为 - (CH 2 CH 2 O)m -R 2的聚醚基团,其中R 2为氢或C 1 -C 4烷基,C)a 其中R3为-COOX,-CH2OH或-CH2-NY1Y2,n为1至5的通式为“IMAGE”的β-羟基取代基,D)通式为“IMAGE”的α-羧基取代基, 其中R4是氢,甲基或羟甲基,R5是羟甲基或-CH(OH)-COOX或 - (CH2)p-COOX,其中p是1或2,E)通式为“IMAGE”的吡喃糖基或呋喃糖基,其中q 是3或2,或F)聚乙烯胺的聚合物残基 或聚乙烯亚胺可用作洗涤剂组合物中的络合剂,漂白稳定剂和助洗剂。