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公开(公告)号：US5387701A
公开(公告)日：1995-02-07
申请号：US130010
申请日：1993-09-30
IPC分类号： C07D309/06
CPC分类号： C07D309/06
摘要： A process for preparing 4-hydroxymethyltetrahydropyran comprises reacting tetrahydrofurans of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.6 -alkyl or --CO--R.sup.2, andR.sup.2 is hydrogen or C.sub.1 - to C.sub.6 -alkyl,at from 0.degree. to 400.degree. C. and from 0.001 to 400 bar in the presence of acidic catalysts.
摘要翻译： 制备4-羟甲基四氢吡喃的方法包括使通式Ⅰ的四氢呋喃与其中R 1是氢，C 1 -C 6烷基或-CO-R 2，R 2是氢或C 1 -C 6烷基， 在0至400℃和0.001至400巴之间，在酸性催化剂存在下。
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2.发明授权
公开(公告)号：US5371242A
公开(公告)日：1994-12-06
申请号：US110217
申请日：1993-08-23
IPC分类号： C07C29/151 , C07C31/20 , C07C31/27 , C07D307/06 , C07D307/94 , C08G63/08
CPC分类号： C07D307/94 , C07C31/274
摘要： Abstract of the Disclosure: Products of the reduction of 4-hydroxybutyric acid derivatives of the formula IIa ##STR1## where one of A and B is methylene and the other is cyclopropylidene, or of C.sub.1 --C.sub.4 --alkyl esters (IIb) or lactones (IIc) of these acids IIa, are prepared by hydrogenating the compounds IIa or IIb or IIc catalytically using hydrogen in the presence of a heterogeneous hydrogenation catalyst, giving novel compounds which can be used to prepare polymers.
摘要翻译： 公开内容摘要：A和B中的一个是亚甲基，另一个是亚环丙基或C 1 -C 4 - 烷基酯（IIb）或内酯的式IIa的化合物的4-羟基丁酸衍生物的还原产物 （IIc）通过在异相氢化催化剂存在下使用氢催化化合物IIa或IIb或IIc制备，得到可用于制备聚合物的新化合物。
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3.发明授权
公开(公告)号：US5659068A
公开(公告)日：1997-08-19
申请号：US255549
申请日：1994-05-31
CPC分类号： C08G65/20
摘要： Polyoxyalkylene glycol monoesters of carboxylic acids are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the amount of tetrahydrofuran used, of one or more comonomers from the group consisting of the cyclic ethers and acetals is polymerized in the absence of water and in the presence of a carboxylic acid and of an anhydrous heteropolyacid catalyst.
摘要翻译： 羧酸的聚氧化亚烷基二醇单酯通过以下方法制备：其中四氢呋喃或四氢呋喃的混合物，总共不超过95摩尔％，基于所用四氢呋喃的一种或多种共聚单体来自由环状 醚和缩醛在不存在水和羧酸和无水杂多酸催化剂的存在下聚合。
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4.发明授权
公开(公告)号：US5536854A
公开(公告)日：1996-07-16
申请号：US380134
申请日：1995-01-26
申请人： Hans-Juergen Weyer , Rolf Fischer , Franz Merger , Juergen Frank , Jochem Henkelmann , Hardo Siegel , Thomas Ruehl
发明人： Hans-Juergen Weyer , Rolf Fischer , Franz Merger , Juergen Frank , Jochem Henkelmann , Hardo Siegel , Thomas Ruehl
IPC分类号： C07C29/141 , C07C29/149 , C07C29/17 , C07D307/06 , C07D307/08
CPC分类号： C07D307/06 , C07C29/141 , C07C29/149 , C07C29/177
摘要： 2-Methyl-1,4-butanediol and 3-methyltetrahydrofuran are prepared by reacting a compound of the general formula I or II ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or C.sub.1 -C.sub.8 -alkyl and the formyl group of II may also be present as acetal with a C.sub.1 -C.sub.8 -alkanol, is reacted with hydrogen in the presence of copper or of a metal of groups 7 to 10 of the Periodical Table of elements or of a compound of these metals.
摘要翻译： 2-甲基-1,4-丁二醇和3-甲基四氢呋喃通过使通式I或II的化合物（其中R 1和R 2各自为氢或C 1 -C 8 - 烷基）和甲酰基 II族基团也可以与C 1 -C 8 - 链烷醇一起作为缩醛存在，在铜或金属元素周期表第7至10族的金属或这些金属的化合物的存在下与氢反应。
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公开(公告)号：US5414143A
公开(公告)日：1995-05-09
申请号：US24904
申请日：1993-03-02
CPC分类号： C08G65/20
摘要： Polyoxyalkylene glycol monoethers of monohydric alcohols are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the amount of tetrahydrofuran used, of one or more comonomers from the group consisting of the cyclic ethers and acetals is polymerised in the absence of water and in the presence of a monohydric alcohol and of an anhydrous heteropoly acid catalyst.
摘要翻译： 一元醇的聚氧亚烷基二醇单醚通过以下方法制备，其中四氢呋喃或四氢呋喃的混合物，总共不超过95摩尔％，基于所用四氢呋喃的一种或多种共聚单体来自由环状 醚和缩醛在不存在水和在一元醇和无水杂多酸催化剂的存在下聚合。
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公开(公告)号：US5008408A
公开(公告)日：1991-04-16
申请号：US489709
申请日：1990-03-07
申请人： Rolf Fischer , Juergen Frank , Franz Merger , Hans-Juergen Weyer
发明人： Rolf Fischer , Juergen Frank , Franz Merger , Hans-Juergen Weyer
IPC分类号： C07C29/141 , C07D307/20
CPC分类号： C07D307/20 , C07C29/141
摘要： Mixtures which contain 1,4-butanediol and tetrahydrofuran are prepared by heating 4-hydroxybutyraldehyde of the formula ##STR1## at 20.degree.-300.degree. C. in the presence or absence of 1,4-butanediol and subjecting the resulting acetals of the formulae ##STR2## to a catalytic hydrogenation at 50.degree.-300.degree. C. and 1-350 bar.
摘要翻译： 含有1,4-丁二醇和四氢呋喃的混合物通过在存在或不存在1,4-丁二醇的情况下，在20-300℃下加热式Ia的4-羟基丁醛来制备，并将所得的缩醛 公式
+ TR 在50°-300℃和1-350巴下进行催化氢化。 -
7.发明授权Preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol and product 失效制备叔丁醇和产物的聚氧亚烷基二醇单醚
公开(公告)号：US5714638A
公开(公告)日：1998-02-03
申请号：US381733
申请日：1995-02-01
CPC分类号： C08G65/20
摘要： Polyoxyalkylene glycol monoethers of monohydric alcohols are prepared by a process in which tetrahydrofuran or a mixture of tetrahydrofuran with a total of not more than 95 mol %, based on the amount of tetrahydrofuran used, of one or more comonomers from the group consisting of the cyclic ethers and acetals is polymerized in the absence of water and in the presence of a monohydric alcohol and of an anhydrous heteropoly acid catalyst.
摘要翻译： 一元醇的聚氧亚烷基二醇单醚通过以下方法制备，其中四氢呋喃或四氢呋喃的混合物，总共不超过95摩尔％，基于所用四氢呋喃的一种或多种共聚单体来自由环状 醚和缩醛在不存在水和在一元醇和无水杂多酸催化剂的存在下聚合。
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8.发明授权Adjustment of the average molecular weight of polyoxyalkylene glycols and polyoxyalkylene derivatives in the heteropolyacid-catalyzed polymerization of cyclic ethers and/or acetals with ring cleavage 失效在具有环裂解的环醚和/或缩醛的杂多酸催化聚合中调整聚氧亚烷基二醇和聚氧化烯衍生物的平均分子量
公开(公告)号：US5395959A
公开(公告)日：1995-03-07
申请号：US110297
申请日：1993-08-20
摘要： The average molecular weight of polyoxyalkylene glycols and polyoxyalkylene glycol derivatives is adjusted in the heteropolyacid-catalyzed polymerization of cyclic ethers and/or acetals with ring cleavage in the presence of proton donors by a process in which the amount of the relevant proton donor present in the reaction system is regulated in the course of the reaction by the measurement of the electrical conductivity.
摘要翻译： 聚合氧亚烷基二醇和聚氧化亚烷基二醇衍生物的平均分子量在质子供体存在下，通过环状醚和/或缩醛环进行杂多酸催化聚合来调节，其中存在于 通过测量电导率，在反应过程中调节反应体系。
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公开(公告)号：US5276165A
公开(公告)日：1994-01-04
申请号：US982300
申请日：1992-11-25
申请人： Hans-Juergen Weyer , Rolf Fischer
发明人： Hans-Juergen Weyer , Rolf Fischer
IPC分类号： B01J21/04 , B01J23/28 , B01J23/34 , B01J23/72 , B01J23/75 , C07B61/00 , C07D201/02 , C07D201/08 , C07D207/26 , C07D207/267 , C07D209/46 , C07D209/64 , C07D223/10 , C07D225/02 , C07D207/12 , C07D221/06
CPC分类号： C07D201/02 , C07D201/08 , C07D207/267
摘要： A process for the preparation of N-substituted lactams of the formula I ##STR1## where Z is C.sub.2 - to C.sub.10 -alkylene, C.sub.7 - to C.sub.12 -aralkylene, phenylene or naphthylene, andR.sup.1 is C.sub.1 - to C.sub.20 -alkyl, C.sub.6 - to C.sub.10 -aryl or C.sub.7 - to C.sub.12 -aralkyl,by hydrogenating a compound of the formula II ##STR2## where W is C.sub.2 - to C.sub.10 -alkylene, C.sub.2 - to C.sub.10 -alkenylene, C.sub.7 - to C.sub.12 -aralkylene, phenylene or naphthylene, andX and Y together form an oxa or imido bridge of the formula ##STR3## or alternatively are identical or different and are hydroxyl, C.sub.1 - to C.sub.20 -alkoxy, C.sub.6 - to C.sub.10 -aryloxy or C.sub.7 - to C.sub.12 -aralkoxy, and, if X and Y are different, Y, in addition to the abovementioned meanings, may also be hydrogen,at superatmospheric pressure and at elevated temperature in the presence of a catalyst and in the presence of an amine, which comprises using a secondary and/or tertiary amine of the formula IIINH.sub.n R.sub.3-n .sup.1where R.sup.1 is as defined above and n is 0 or 1, or a mixture of a secondary and/or teritary amine of this type with a primary amine of the formula IVR.sup.1 --NH.sub.2 (IV)as the starting material, and carrying out the reaction with addition of water and/or ammonia.
摘要翻译： 制备式I的N-取代的内酰胺的方法（I）其中Z为C 2至C 10亚烷基，C 7至C 12 - 亚芳基，亚苯基或亚萘基，R 1为C 1 -C 20烷基 C 6 -C 10 - 芳基或C 7 - 至C 12 - 芳烷基，其中W是C 2 - 至C 10 - 亚烷基，C 2至C 10亚烯基，C 7 - 至C 12 - 亚烷基， - 亚烷基，亚苯基或亚萘基，X和Y一起形成下式的氧杂或亚氨基桥，或者可选地相同或不同，为羟基，C 1至C 20 - 烷氧基，C 6至C 10 - 芳氧基或C 7 - 对于C 12 - 芳烷氧基，并且如果X和Y不同，除了上述含义之外，Y还可以是氢，在超大气压和升高的温度下，在催化剂的存在下和在胺的存在下， 包括使用式III NH n R 3-n 1的仲和/或叔胺，其中R 1如上定义并且n为0或1，或者该仲胺和/或叔胺的混合物 以式ⅣR-NH2（Ⅳ）的伯胺为起始原料，并加入水和/或氨进行反应。
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公开(公告)号：US5099074A
公开(公告)日：1992-03-24
申请号：US603519
申请日：1990-10-26
CPC分类号： C08G65/20
摘要： A process for the preparation of polyether glycols by polymerization of tetrahydrofuran or copolymerization of tetrahydrofuran with oxiranes in the presence of from 20 to 500% w/w of a hydrocarbon, based on the weight of tetrahydrofuran used.
摘要翻译： 基于所用四氢呋喃的重量，通过四氢呋喃聚合制备聚醚二醇的方法或四氢呋喃与环氧乙烷在20-500％w / w烃存在下共聚合的方法。
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