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198 条记录 (耗时 0.028 秒)

    Preparation of cycloalkanols
    1.
    发明授权
    Preparation of cycloalkanols 失效
    环烷醇的制备

    公开(公告)号：US5475158A

    公开(公告)日：1995-12-12

    申请号：US159706

    申请日：1993-12-01

    申请人： Thomas Krug ,  Rolf Fischer ,  Rolf Pinkos

    发明人： Thomas Krug ,  Rolf Fischer ,  Rolf Pinkos

    IPC分类号： C07C27/02 ,  C07C29/09 ,  C07C35/08 ,  C07C29/20 ,  C07C53/10

    CPC分类号： C07C29/095 ,  C07C2101/14

    摘要： A process for the preparation of cycloalkanols by the hydrolysis of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters, which comprises the following steps:a) reaction of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters with water at a temperature of from 30.degree. to 250.degree. in the liquid phase yielding a reaction mixture consisting of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters, cycloalkanol, C.sub.1 -C.sub.4 fatty acids, and water.b) separation of the reaction mixture obtained in stage a) at a temperature of from 0.degree. to 200.degree. C. into a top phase consisting substantially of cycloalkanol and cycloalkyl C.sub.1 -C.sub.4 fatty acid esters and a bottom phase consisting substantially of water and C.sub.1 -C.sub.4 fatty acids.c) separation of cycloalkanol from the top phase obtained in stage b) by distillation and recycling unconverted cycloalkyl C.sub.1 -C.sub.4 fatty acid esters to stage a).

    摘要翻译： 通过环烷基C1-C4脂肪酸酯的水解制备环烷醇的方法，其包括以下步骤：a）环烷基C1-C4脂肪酸酯与水在30℃至250℃的温度下反应 产生由环烷基C1-C4脂肪酸酯，环烷醇，C1-C4脂肪酸和水组成的反应混合物。 b）将步骤a）中获得的反应混合物在0℃至200℃的温度下分离成基本上由环烷基醇和环烷基C1-C4脂肪酸酯组成的顶相和基本上由水和C1组成的底部相 -C4脂肪酸。 c）通过蒸馏并将未转化的环烷基C1-C4脂肪酸酯再循环到步骤a）中，从步骤b）中获得的顶部相分离环烷醇。

    Method of producing 1,4-butanediol and tetrahydrofuran from furan
    5.
    发明授权
    Method of producing 1,4-butanediol and tetrahydrofuran from furan 失效
    从呋喃生产1,4-丁二醇和四氢呋喃的方法

    公开(公告)号：US5905159A

    公开(公告)日：1999-05-18

    申请号：US913440

    申请日：1997-09-16

    申请人： Rolf Fischer ,  Rolf Pinkos

    发明人： Rolf Fischer ,  Rolf Pinkos

    IPC分类号： B01J23/46 ,  B01J23/656 ,  B01J23/755 ,  B01J23/889 ,  B01J23/89 ,  C07B61/00 ,  C07C29/10 ,  C07C29/132 ,  C07C29/17 ,  C07C31/20 ,  C07D307/08 ,  C07C27/00

    CPC分类号： C07C29/132 ,  C07C29/172 ,  C07D307/08 ,  C12C11/02

    摘要： 1,4-butanediol and THF are prepared from furan by a process which comprises converting furan in the presence of water and hydrogen but in the absence of a water-soluble acid in a single stage over a hydrogenation catalyst, the hydrogenation catalyst containing at least one element of subgroup I, V, VI, VII or VIII in the form of a compound or in elemental form and the restriction that the catalyst does not contain nickel alone being applicable.

    摘要翻译： PCT No.PCT / EP96 / 01247 371日期：1997年9月16日 102（e）日期1997年9月16日PCT Filted 1996年3月21日PCT公布。 出版物WO96 / 29322 1991年9月26日，1991年4月26日，4-丁二醇和THF由呋喃制备，该方法包括在水和氢存在下转化呋喃，但在氢化催化剂的单一阶段不存在水溶性酸， 含有化合物或元素形式的亚组I，V，VI，VII或VIII中的至少一种元素的氢化催化剂以及催化剂不含有镍的限制是适用的。

    Preparation of five-membered nitrogen heterocycles
    6.
    发明授权
    Preparation of five-membered nitrogen heterocycles 失效
    五元氮杂环的制备

    公开(公告)号：US5463079A

    公开(公告)日：1995-10-31

    申请号：US266143

    申请日：1994-06-27

    申请人： Rolf Pinkos ,  Rolf Fischer

    发明人： Rolf Pinkos ,  Rolf Fischer

    IPC分类号： C07D207/26 ,  C07D207/267 ,  C07D207/32 ,  C07D207/323 ,  C07D295/023 ,  C07D207/263 ,  C07D207/02 ,  C07D207/38

    CPC分类号： C07D207/267 ,  C07D207/323 ,  C07D295/023

    摘要： A process for preparing five-membered nitrogen heterocycles of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 are hydrogen,R.sup.1 is C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -hydroxyalkyl, C.sub.1 -C.sub.10 -aminoalkyl, aryl, C.sub.7 -C.sub.10 -aralkyl and C.sub.7 -C.sub.10 -alkylaryl,R.sup.5 and R.sup.6 are C.sub.1 -C.sub.8 -alkyl,R.sup.2 and R.sup.3 together are oxygen with the proviso that R.sup.8 is hydrogen,R.sup.3 and R.sup.4 and/or R.sup.7 and R.sup.8 or R.sup.4 and R.sup.7 together are a bond,comprises reacting vinyloxiranes of the general formula II ##STR2## where R.sup.5 and R.sup.6 have the abovementioned meanings, with ammonia or primary amines of the general formula IIIR.sup.1 --NH.sub.2 (III),where R.sup.1 has the abovementioned meanings, in the presence of a compound of an element of Group VIIIb or Ib of the Periodic Table, with or without the addition of a Lewis acid, at from 20.degree. to 200.degree. C. under from 1 to 70 bar, and subsequently cyclizing in the presence of hydrogen and of a hydrogenation catalyst at from 150.degree. to 350.degree. C. under from 0.1 to 300 bar.

    摘要翻译： 制备通式I（I）的五元氮杂环的方法，其中R 1，R 2，R 3，R 4，R 5，R 6，R 7，R 8是氢，R 1是C 1 -C 10 - 烷基，C 1 -C 10 - 羟基烷基，C 1 -C 10 - 氨基烷基，芳基，C 7 -C 10 - 芳烷基和C 7 -C 10烷基芳基，R 5和R 6是C 1 -C 8烷基，R 2和R 3一起是氧，条件是R 8是氢，R 3和R 4 和/或R 7和R 8或R 4和R 7一起是一个键，包括使具有上述含义的R5和R6具有通式II的乙烯基环己烷（II）与通式III的N-或叔胺R1- NH 2（III），其中R 1具有上述含义，在有或没有添加路易斯酸的情况下，在20〜200℃下，在VIIIb或Ib族元素的化合物的存在下进行。 在1至70巴下，然后在氢气和氢化催化剂的存在下在150-350℃下在0.1至300巴下环化。

    Preparation of 5-membered ring heterocycles
    7.
    发明授权
    Preparation of 5-membered ring heterocycles 失效
    五元环杂环的制备

    公开(公告)号：US5453516A

    公开(公告)日：1995-09-26

    申请号：US165463

    申请日：1993-12-13

    申请人： Rolf Fischer ,  Rolf Pinkos

    发明人： Rolf Fischer ,  Rolf Pinkos

    IPC分类号： C07D201/02 ,  C07D207/26 ,  C07D207/267 ,  C07D307/33 ,  C07D315/00 ,  C07D207/27 ,  C07D307/28

    CPC分类号： C07D201/02 ,  C07D207/267 ,  C07D307/33 ,  C07D315/00

    摘要： A process for preparing 5-membered ring heterocycles of the general formula I ##STR1## where R.sup.1 is methyl or hydroxyethyl,R.sup.2,R.sup.3,R.sup.4,R.sup.5 and R.sup.6 are hydrogen, C.sub.1 - to C.sub.12 -alkyl, C.sub.2 - to C.sub.12 -alkenyl, aryl, C.sub.3 - to C.sub.8 -cycloalkyl, C.sub.1 - to C.sub.12 -alkoxy, halogen, C.sub.2 - to C.sub.20 -alkoxycarbonylalkyl, C.sub.2 - to C.sub.20 -alkylcarbonyloxy, formyl, C.sub.2 - to C.sub.20 -formylalkyl, benzoyl or --CH(OR.sup.3)(OR.sup.5), or R.sup.3 and R.sup.5 together are a C.sub.2 - to C.sub.7 -alkylene chain which is unsubstituted or monosubstituted to pentasubstituted by R.sup.4 or a .dbd.CH--CH.dbd.CH--CH.dbd. unit which is unsubstituted or monosubstituted to tetrasubstituted by R.sup.4,X is oxygen or N--R.sup.4by reacting 5-membered ring heterocycles of the general formula II ##STR2## where R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and X have the abovementioned meanings and Y is hydrogen, acetyl or C.sub.2 - to C.sub.20 -alkoxycarbonyl, with dimethyl or ethylene carbonate in the presence of a nitrogen-containing base at from 50.degree. to 300.degree. C. and from 0.01 to 50 bar is described.

    摘要翻译： 其中R 1是甲基或羟乙基，R 2，R 3，R 4，R 5和R 6是氢，C 1 -C 12 - 烷基，C 2 -C 12的通式I（I）的五元环杂环的制备方法 - 烯基，芳基，C 3 -C 8 - 环烷基，C 1 -C 12 - 烷氧基，卤素，C 2 -C 20 - 烷氧基羰基烷基，C 2 -C 20 - 烷基羰氧基，甲酰基，C 2 -C 20甲酰烷基，苯甲酰基或-CH ）（OR 5）或R 3和R 5一起是未被取代或单取代以被R4或a = CH-CH = CH-CH =未被R4单取代或单取代的单元的C2至C7-亚烷基链， X是通过使通式II的5-元环杂环（II）其中R 2，R 3，R 4，R 5，R 6和X具有上述含义并且Y是氢，乙酰基或C 2 - 在含有50〜300℃的含氮碱和0.01〜50巴的存在下，与二甲基或碳酸亚乙酯进行反应。

    Preparation of 2,6-dimethylmorpholine from N-(2-hydroxypropyl)-2,6-dimethylmorpholine
    8.
    发明授权
    Preparation of 2,6-dimethylmorpholine from N-(2-hydroxypropyl)-2,6-dimethylmorpholine 失效
    由N-（2-羟丙基）-2,6-二甲基吗啉制备2,6-二甲基吗啉

    公开(公告)号：US5436335A

    公开(公告)日：1995-07-25

    申请号：US307245

    申请日：1994-09-16

    申请人： Rolf Pinkos ,  Hans R. Merkle ,  Rolf Fischer

    发明人： Rolf Pinkos ,  Hans R. Merkle ,  Rolf Fischer

    IPC分类号： C07D265/30 ,  B01J23/02 ,  B01J23/04 ,  B01J23/44 ,  B01J23/745 ,  B01J29/65 ,  C07B61/00 ,  C07D295/023

    CPC分类号： C07D295/023

    摘要： A process for the preparation of 2,6-dimethylmorpholine from N-(2-hydroxypropyl)-2,6-dimethylmorpholine, in which N-(2-hydroxypropyl)-2,6-dimethylmorpholine, in whicha) N-(2-hydroxypropyl)-2,6-dimethylmorpholine is caused to react in the presence of a catalyst containing an element listed in Groups Ib, IIb, and/or VIIIb of the Periodic Table at temperatures ranging from 150.degree. to 600.degree. C. and is then caused to react with water at temperatures ranging from 30.degree. to 300.degree. C. orb) N-(2-hydroxypropyl)-2,6-dimethylmorpholine is caused to react in the presence of an acid catalyst at temperatures ranging from 100.degree. to 400.degree. C. followed by acid hydrolysis with water at temperatures ranging from 30.degree. to 300.degree. C.

    摘要翻译： 一种由N-（2-羟丙基）-2,6-二甲基吗啉制备2,6-二甲基吗啉的方法，其中N-（2-羟丙基）-2,6-二甲基吗啉，其中a）N-（2 - 羟丙基）-2,6-二甲基吗啉在含有元素周期表第Ib，IIb和/或VIIIb族元素的催化剂存在下反应，温度范围为150〜600℃， 然后在30℃至300℃的温度下与水反应，或b）使N-（2-羟丙基）-2,6-二甲基吗啉在酸催化剂存在下，在100℃ 至400℃，然后在30℃至300℃的温度下用水进行酸水解。

    Continuous production of cyclohexene from cyclohexyl esters
    10.
    发明授权
    Continuous production of cyclohexene from cyclohexyl esters 失效
    从环己基酯连续制备环己烯

    公开(公告)号：US5382740A

    公开(公告)日：1995-01-17

    申请号：US993053

    申请日：1992-12-18

    申请人： Rolf Pinkos ,  Rolf Fischer ,  Roman Dostalek

    发明人： Rolf Pinkos ,  Rolf Fischer ,  Roman Dostalek

    IPC分类号： C07B61/00 ,  C07C1/213 ,  C07C13/20

    CPC分类号： C07C1/213 ,  C07C2101/16 ,  C07C2529/06 ,  C07C2531/08

    摘要： A process for the continuous production of cyclohexene from a cyclohexyl ester of a carboxylic acid having 1 or 2 carbon atoms, which comprises the following steps:a) heating a cyclohexyl ester of a carboxylic acid having 1 or 2 carbon atoms in the presence of an acid catalyst with the formation of cyclohexene and a carboxylic acid having 1 or 2 carbon atoms;b) removing, by distillation, cyclohexene and carboxylic acid having 1 or 2 carbon atoms from the reaction mixture from stage a) at the same rate as they are formed;c) adding a cyclohexyl ester of a carboxylic acid having 1 or 2 carbon atoms to stage a) at the rate cyclohexene and carboxylic acid are distilled off; andd) separating the mixture comprising cyclohexene and carboxylic acid having 1 or 2 carbon atoms coming from stage b).

    摘要翻译： 一种由具有1或2个碳原子的羧酸的环己酯连续制备环己烯的方法，包括以下步骤：a）在存在下加成具有1或2个碳原子的羧酸的环己酯， 形成环己烯和具有1或2个碳原子的羧酸的酸催化剂; b）通过蒸馏从与所形成的相同速率从步骤a）的反应混合物中除去具有1或2个碳原子的环己烯和羧酸; c）将a）具有1或2个碳原子的羧酸的环己基酯以环己烯和羧酸的速率蒸馏出来; 和d）从步骤b）分离包含环己烯和具有1或2个碳原子的羧酸的混合物。