-
公开(公告)号:US6048997A
公开(公告)日:2000-04-11
申请号:US230742
申请日:1999-02-01
申请人: Rolf Fischer , Rocco Paciello , Michael Roper , Werner Schnurr
发明人: Rolf Fischer , Rocco Paciello , Michael Roper , Werner Schnurr
IPC分类号: B01J31/18 , B01J31/24 , C07C209/26 , C07C253/30 , C07C255/24 , C07F9/6574 , C07C255/00
CPC分类号: C07F9/65746 , B01J31/185 , B01J31/2409 , C07C209/26 , C07C253/30 , C07C255/24 , B01J2531/822 , B01J2531/828 , B01J2531/845
摘要: Manufacture of 6-aminocapronitrile or 6-aminocapronitrile/hexamethylene diamine mixtures, involving a) the reaction of at least one pentennitrile, selected from the group consisting of 2,3 and 4-pentennitrile with carbon monoxide and hydrogen in the presence of catalysts, which contain at least one element of the eighth subgroup as active components, obtaining a hydrogenation formylating discharge (I), b) the optional separation of carbon monoxide, hydrogen and the catalyst from the hydrogenation formylating discharge (I), obtaining a hydrogenation formylating discharge (II), c) the separation of 5-formyl valeronitrile from the hydrogenation formylating discharge (I) or (II), d) the reaction of separated 5-formyl valeronitrile with ammonia and hydrogen in the presence of hydrogenating catalysts, selected from the group consisting of rhenium, copper and its compounds as well as metals and metallic compounds of the eighth group, obtaining a hydrogenation discharge, and e) obtaining 6-aminocapronitrile and if necessary hexamethylene diamine.
摘要翻译: PCT No.PCT / EP97 / 03988 Sec。 371日期1999年2月1日 102(e)1999年2月1日PCT 1997年7月23日PCT公布。 第WO98 / 05632号公报 日期1998年2月12日6-氨基己腈或6-氨基己腈/六亚甲基二胺混合物的制造,涉及a)选自2,3和4-戊腈中的至少一种戊腈与一氧化碳和氢的反应 存在含有第八亚组中的至少一种元素作为活性组分的催化剂,获得加氢甲酰化放电(I),b)任选从氢化甲酰化放电(I)中分离一氧化碳,氢和催化剂,获得 加氢甲酰化放电(II),c)从加氢甲酰化放电(I)或(II)中分离5-甲酰基戊腈; d)在氢化催化剂存在下,分离的5-甲酰基戊腈与氨和氢的反应 ,选自铼,铜及其化合物以及第八组的金属和金属化合物,获得氢化放电,以及 e)获得6-氨基己腈,如果需要的话,得到六亚甲基二胺。
-
公开(公告)号:US06002027A
公开(公告)日:1999-12-14
申请号:US46124
申请日:1998-03-23
IPC分类号: B01J23/44 , B01J23/46 , B01J23/52 , B01J23/62 , B01J23/63 , B01J37/02 , B01J37/34 , C07D301/00 , C07D303/04 , C07D301/02 , C07C5/03
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: 通过在非均相催化剂上催化氢化乙烯环氧乙烷来制备1,2-环氧丁烷的方法包括使用包含元素周期表第I,VII或VIII族元素或多种这些元素的混合物的催化剂, 或不存在一种或多种促进剂元件,这些元素和助催化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。
-
公开(公告)号:US5945575A
公开(公告)日:1999-08-31
申请号:US11100
申请日:1998-01-27
CPC分类号: C08F10/10
摘要: A process for the preparation of halogen-free, reactive polyisobutene having a content of terminal double bonds of more than 50 mol % and an average molecular weight M.sub.n of from 500 to 5000 dalton by the cationic polymerization of isobutene or isobutene-containing hydrocarbon mixtures in the liquid phase, wherein the polymerization is carried out at a temperature of from -30.degree. to +40.degree. C. over a heterogeneous polymerization catalyst containing at least one element acting as promoter and selected from Group IB, Group IIB, Group IIIB, Group IVB, Group VB, Group VIIB, or Group VIIIB of the Periodic Table or from Group IIA, Group IIIA, Group IVA, Group VA, or Group VIA of the Periodic Table or a number of said elements in each case in the form of an oxygen-containing compound and zirconium in the form of an oxygen-containing compound, said polymerization catalyst containing no industrially effective amounts of halogens.
摘要翻译: PCT No.PCT / EP96 / 03441 Sec。 371日期:1998年1月27日 102(e)日期1998年1月27日PCT提交1996年8月5日PCT公布。 公开号WO97 / 06189 日期1997年2月20日通过异丁烯或异丁烯的阳离子聚合制备末端双键含量大于50摩尔%,平均分子量Mn为500-5000道尔顿的无卤,活性聚异丁烯的方法 其中聚合在-30℃至+ 40℃的温度下进行,所述非均相聚合催化剂含有至少一种作为助催化剂的元素,选自组IB,组IIB ,第IIIB组,第IVB组,第VBB组,第VIIB组或第VIIIB组,或第IIA组,第IIIA组,IVA组,VA组或第VIA组,或每种情况下所述组分数目 以含氧化合物和含氧化合物形式的锆的形式,所述聚合催化剂不含工业上有效量的卤素。
-
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。
-
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。
-
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 。
-
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。
-
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。
-
公开(公告)号:US5414097A
公开(公告)日:1995-05-09
申请号:US185179
申请日:1994-01-24
IPC分类号: C07D309/08
CPC分类号: C07D309/08
摘要: A process for purifying esters of tetrahydropyran-4-carboxylic acid of the formula I ##STR1## where R.sup.1 to R.sup.3 are each C.sub.1 -C.sub.4 -alkyl, and R.sup.2 and R.sup.3 are each additionally hydrogen, from mixtures produced in the reaction of butyrolactones of the formula II ##STR2## where R.sup.2 and R.sup.3 have the abovementioned meanings, and R.sup.4 is hydrogen, alkyl of 1-6 carbons or acyl of the formula --CO--R.sup.2, with alcohols of the formula R.sup.1 OH in the presence of oxide catalysts, by distillation, which entailsa) removing overhead, in a first column with 5-25 theoretical plates with a distillate pressure of 700-1100 mbar and a distillate temperature of 50.degree.-80.degree. C., an alcohol and up to 10% of the water,b) transferring the bottom product from the first column into a second column with 18-40 theoretical plates, into which a water entrainer is metered between plates 15 and 30, and is circulated, and which operates with a distillate pressure of 35-350 mbar and a distillate temperature of 18.degree.-70.degree. C., with the esters of tetrahydropyran-4-carboxylic acid being removed between plates 8 and 18 at 90.degree.-150.degree. C., and, where appropriate,c) feeding the bottom product from the second column into a third column with 5-25 theoretical plates, and returning the overhead products at a distillate pressure of 1-100 mbar and a distillate temperature of 90.degree.-140.degree. C. to the synthesis of the esters of tetrahydropyran-4-carboxylic acid.
摘要翻译: 用于纯化式I的四氢吡喃-4-羧酸的酯的方法,其中R 1至R 3各自为C 1 -C 4 - 烷基,R 2和R 3各自为氢, 其中R 2和R 3具有上述含义,R 4是氢,1-6个碳的烷基或式-CO-R 2的酰基,其中式R 1 OH的醇在存在下 氧化物催化剂,通过蒸馏,其需要a)在具有5-25理论塔板的第一塔中,馏出物压力为700-1100毫巴,馏出物温度为50-80℃,醇和升高 至10%的水,b)将底部产物从第一塔转移到具有18-40理论塔板的第二塔中,其中在15和30之间计量水夹带剂,并循环,并且其以 馏出液压力为35-350毫巴,馏出物温度为18-70℃, 其中四氢吡喃-4-羧酸的酯在90℃-150℃下在板8和18之间除去,并且在适当的情况下,c)将底部产物从第二塔进料到具有5-25理论值的第三塔 将塔顶馏出物返回到馏出物压力为1-100毫巴,馏出液温度为90-140℃,以合成四氢吡喃-4-羧酸酯。
-
公开(公告)号:US4963673A
公开(公告)日:1990-10-16
申请号:US448902
申请日:1989-12-12
IPC分类号: C07D201/08
CPC分类号: C07D201/08
摘要: Caprolactam is prepared by heating a 6-aminocaproic ester in liquid phase in the presence of water to 230.degree.-350.degree. C. under superatmospheric pressure in a reaction medium comprising a liquid aromatic hydrocarbon having a boiling point of from 80.degree. to 240.degree. C. which is inert under reaction conditions, and isolating caprolactam from the reaction mixture.
摘要翻译: 己内酰胺通过在含有沸点为80〜240℃的液体芳烃的反应介质的反应介质中,在高温大气压下,在水存在下,将液体中的6-氨基己酸酯加热到230〜 在反应条件下是惰性的,并从反应混合物中分离己内酰胺。
-
-
-
-
-
-
-
-
-