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    • 12. 发明授权
    • Preparation of cycloalkanols
    • 环烷醇的制备
    • US5475158A
    • 1995-12-12
    • US159706
    • 1993-12-01
    • Thomas KrugRolf FischerRolf Pinkos
    • Thomas KrugRolf FischerRolf Pinkos
    • C07C27/02C07C29/09C07C35/08C07C29/20C07C53/10
    • C07C29/095C07C2101/14
    • 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).
    • 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。
    • 13. 发明授权
    • Preparation of five-membered nitrogen heterocycles
    • 五元氮杂环的制备
    • US5463079A
    • 1995-10-31
    • US266143
    • 1994-06-27
    • Rolf PinkosRolf Fischer
    • Rolf PinkosRolf Fischer
    • C07D207/26C07D207/267C07D207/32C07D207/323C07D295/023C07D207/263C07D207/02C07D207/38
    • C07D207/267C07D207/323C07D295/023
    • 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.
    • 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。
    • 14. 发明授权
    • Preparation of 5-membered ring heterocycles
    • 五元环杂环的制备
    • US5453516A
    • 1995-09-26
    • US165463
    • 1993-12-13
    • Rolf FischerRolf Pinkos
    • Rolf FischerRolf Pinkos
    • C07D201/02C07D207/26C07D207/267C07D307/33C07D315/00C07D207/27C07D307/28
    • C07D201/02C07D207/267C07D307/33C07D315/00
    • 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.
    • 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。
    • 17. 发明授权
    • Continuous production of cyclohexene from cyclohexyl esters
    • 从环己基酯连续制备环己烯
    • US5382740A
    • 1995-01-17
    • US993053
    • 1992-12-18
    • Rolf PinkosRolf FischerRoman Dostalek
    • Rolf PinkosRolf FischerRoman Dostalek
    • C07B61/00C07C1/213C07C13/20
    • C07C1/213C07C2101/16C07C2529/06C07C2531/08
    • 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).
    • 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。