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公开(公告)号:US5945571A
公开(公告)日:1999-08-31
申请号:US765577
申请日:1996-12-27
申请人: Rolf Pinkos , Rolf Fischer , Boris Breitscheidel , Peter Polanek
发明人: Rolf Pinkos , Rolf Fischer , Boris Breitscheidel , Peter Polanek
IPC分类号: B01J23/36 , B01J23/46 , B01J23/72 , C07B61/00 , C07C29/10 , C07C29/132 , C07C29/14 , C07C31/20 , C07L27/00
CPC分类号: C07C31/20 , C07C29/132
摘要: Described is a method of producing 1,4-butanediol, the method calling for 2,3-dihydrofuran to be decomposed in a single stage over a hydrogenation catalyst in the presence of water and hydrogen at a temperature of 20 to 300.degree. C. and a pressure of 1 to 300 bar and in neutral or acid conditions.
摘要翻译: PCT No.PCT / EP95 / 02335 Sec。 371日期1996年12月27日第 102(e)日期1996年12月27日PCT归档1995年6月16日PCT公布。 公开号WO96 / 00203 日本1996年1月4日描述了一种生产1,4-丁二醇的方法,该方法要求在氢和氢气存在下,在氢化催化剂中,在20〜 300℃,压力为1至300巴,处于中性或酸性条件下。
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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。
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公开(公告)号:US5869707A
公开(公告)日:1999-02-09
申请号:US704733
申请日:1996-09-09
IPC分类号: B01J23/44 , B01J23/46 , B01J23/52 , B01J23/62 , B01J23/63 , B01J37/02 , B01J37/34 , C07D301/00 , C07D303/04 , C07D301/02
CPC分类号: B01J37/347 , B01J37/0225 , C07D301/00 , B01J23/44 , B01J23/464 , B01J23/52
摘要: A process for preparing 1,2-butylene oxide by catalytic hydrogenation of vinyloxirane over a heterogeneous catalyst comprises using a catalyst comprising an element of subgroup I, VII or VIII of the periodic table, or mixtures of a plurality of these elements, in the presence or absence of one or more promoter elements, these elements and promoters having been applied by means of a vacuum vapor deposition technique to a support of metal foil or metal wire fabric.
摘要翻译: PCT No.PCT / EP95 / 00656 Sec。 371日期1996年9月9日 102(e)日期1996年9月9日PCT提交1995年2月23日PCT公布。 WO95 / 24401 PCT出版物 日期1995年9月14日一种通过在非均相催化剂上催化氢化乙烯环氧化物制备1,2-环氧丁烷的方法包括使用包含元素周期表中I族,VII或VIII族元素的催化剂,或多种这些的混合物 元素,在存在或不存在一种或多种助催化剂元素的情况下,这些元素和促进剂已经通过真空气相沉积技术施加到金属箔或金属丝织物的载体上。
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公开(公告)号:US5679869A
公开(公告)日:1997-10-21
申请号:US567749
申请日:1995-12-05
IPC分类号: B01J23/10 , B01J23/06 , C07B61/00 , C07C45/41 , C07C47/02 , C07C47/105 , C07C47/14 , C07C47/19 , C07C47/198 , C07C47/228 , C07C47/28
摘要: A process for preparing aldehydes of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.12 -alkylphenyl, C.sub.7 -C.sub.12 -phenylalkyl and R.sup.1 and R.sup.2 are joined together to form a 3-, 4-, 5-, 6- or 7-membered cycloaliphatic ring, R.sup.1 and R.sup.3 are each C.sub.1 -C.sub.4 -alkoxy, phenoxy, methylamino, dimethylamino or halogen, and R.sup.1 is additionally hydroxyl or amino comprises reacting a carboxylic acid or ester of the general formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each as defined above, and R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.12 -alkylphenyl or C.sub.7 -C.sub.12 -phenylalkyl, with hydrogen in the gas phase at temperatures from 200.degree. to 450.degree. C. and pressures from 0.1 to 20 bar in the presence of a catalyst whose catalytically active mass comprises from 60 to 99.9% by weight of zirconium oxide and from 0.1 to 40% by weight of one or more elements of the lanthanides.
摘要翻译: 制备通式I(I)的醛的方法,其中R1,R2和R3各自为氢,C1-C6烷基,C3-C8-环烷基,芳基,C7-C12-烷基苯基,C7-C12- 苯基烷基和R 1和R 2连接在一起形成3-,4-,5-,6-或7-元环脂族环,R 1和R 3各自为C 1 -C 4 - 烷氧基,苯氧基,甲基氨基,二甲基氨基或卤素,R 1 另外羟基或氨基包括使通式II(II)的羧酸或酯与其中R 1,R 2和R 3各自如上所定义,R 4是氢,C 1 -C 6烷基,C 3 -C 8 - 环烷基,芳基,C 7 -C 12 - 烷基苯基或C 7 -C 12 - 苯基烷基,在气相中的氢气在200-450℃的温度和0.1至20巴的压力下,在催化剂存在下,其催化活性质量包含 60至99.9重量%的氧化锆和0.1至40重量%的一种或多种镧系元素。
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公开(公告)号:US5580994A
公开(公告)日:1996-12-03
申请号:US403769
申请日:1995-03-24
IPC分类号: B01J21/04 , B01J21/06 , B01J23/08 , B01J23/14 , B01J23/16 , C07D309/08 , C07D493/10 , C07D309/06
CPC分类号: C07D309/08
摘要: A process for preparing tetrahydropyran-4-carboxylic acid and its esters of the formula I ##STR1## (R=H, C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.12 -alkylphenyl and C.sub.7 -C.sub.12 -phenylalkyl) by reacting 2,7-dioxaspiro[4.4]nonane-1,6-dione II ##STR2## with water or alcohols IIIR--OH (III),in the presence of acidic catalysts at from 150.degree. to 350.degree. C. and from 0.01 to 100 bar.
摘要翻译: PCT No.PCT / EP93 / 03670 Sec。 371日期:1995年3月24日 102(e)1995年3月24日PCT 1993年12月23日PCT公布。 第WO94 / 15931号公报 日期:1994年7月21日制备四氢吡喃-4-羧酸及其式I的酯的方法(I)(R = H,C 1 -C 8 - 烷基,C 3 -C 8 - 环烷基,芳基,C 7 -C 12 - 烷基苯基和C 7 -C 12 - 苯基烷基),通过使二,7-二氧杂螺[4.4]壬烷-1,6-二酮IIIII)在酸性催化剂存在下,在150至350℃和0.01至100巴 。
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公开(公告)号:US5512697A
公开(公告)日:1996-04-30
申请号:US370606
申请日:1995-01-10
申请人: Werner Schnurr , Rolf Fischer , Peter Bassler , Wolfgang Harder
发明人: Werner Schnurr , Rolf Fischer , Peter Bassler , Wolfgang Harder
IPC分类号: C07B61/00 , C07C253/30 , C07C255/24
CPC分类号: C07C253/30
摘要: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a base and of a hydrogenation catalyst, by carrying out the hydrogenation in the presence of ammonia and lithium hydroxide or of a compound which gives lithium hydroxide during the hydrogenation.
摘要翻译: 通过在碱和氢化催化剂的存在下,在升高的温度和超大气压下,通过在氨和氢氧化锂的存在下进行氢化或通过在氢气和氢氧化锂存在下进行氢化,将脂肪族α,ω-氨基腈部分氢化, 在氢化期间产生氢氧化锂的化合物。
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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
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。
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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。
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公开(公告)号:US5453535A
公开(公告)日:1995-09-26
申请号:US266226
申请日:1994-06-27
申请人: Rolf Fischer
发明人: Rolf Fischer
CPC分类号: C07C67/00
摘要: A process for the preparation of a .alpha.,.omega.-dicarboxylic acid diester of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 denotes hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.2 -C.sub.20 alkynyl, C.sub.2 -C.sub.20 alkoxycarbonyl, nitro, C.sub.2 -C.sub.20 alkoxy and/or cyano andn is an integer from 1 to 12,wherein cycloalkanones of the general formula II ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and n have the aforementioned meanings, are caused to react with dimethylcarbonate in the presence of a nitrogenous base of the general formula III ##STR3## in which R.sup.6, R.sup.7, R.sup.8 denote hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl or C.sub.7 -C.sub.20 aralkyl or R.sup.6 and R.sup.7 together form a C.sub.2 -C.sub.7 alkylene chain optionally mono- to penta-substituted by R.sup.1,at temperatures ranging from 50.degree. to 300.degree. C.
摘要翻译: 一种制备通式Ⅰ的α,ω-二羧酸二酯的方法,其中R 1,R 2,R 3,R 4,R 5表示氢,C 1 -C 20烷基,C 2 -C 20烯基,C 2 -C 20炔基 ,C 2 -C 20烷氧基羰基,硝基,C 2 -C 20烷氧基和/或氰基,n为1至12的整数,其中通式II(II)的环烷酮其中R1,R2,R3,R4,R5和n 具有上述含义,在通式III的烷基,C3-C8环烷基或C7-C20芳烷基或R6和R7的含氮碱的存在下,与二甲基碳酸酯反应,一起形成C 2 -C 7亚烷基链,任选地单 - 至 在50℃〜300℃的温度下由R1五取代。
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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。
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