Preparation of amines from olefins over crystalline oxides based on
aluminum phosphates and having faujasite structure
    51.
    发明授权
    Preparation of amines from olefins over crystalline oxides based on aluminum phosphates and having faujasite structure 失效
    基于磷酸铝制成结晶氧化物并具有八面沸石结构的烯烃中的胺

    公开(公告)号:US5786510A

    公开(公告)日:1998-07-28

    申请号:US784772

    申请日:1997-01-16

    CPC分类号: C07C209/60 Y02P20/582

    摘要: A process for the preparation of amines of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 denote hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkynyl, C.sub.3 -C.sub.20 cycloalkyl, C.sub.4 -C.sub.20 alkylcycloalkyl, C.sub.4 -C.sub.20 cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 alkylaryl or C.sub.7 -C.sub.20 aralkyl, R.sup.1 and R.sup.2 together denote a saturated or unsaturated C.sub.3 -C.sub.9 alkylene dichain and R.sup.3 or R.sup.5 denotes C.sub.21 -C.sub.200 alkyl, C.sub.21 -C.sub.200 alkenyl or they together form a C.sub.2 -C.sub.12 alkylene dichain, by the reaction of olefins of the general formula II ##STR2## in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the aforementioned meanings, with ammonia or primary or secondary amines of the general formula III ##STR3## in which R.sup.1 and R.sup.2 have the aforementioned meanings, at temperatures ranging from 200.degree. to 350.degree. C. and pressures of from 100 to 300 bar in the presence of a heterogeneous catalyst, wherein the heterogeneous catalysts used are crystalline oxides based on aluminum phosphates and having faujasite structure.

    摘要翻译: 制备通式I的胺的方法(Ⅰ)其中R1,R2,R3,R4,R5和R6表示氢,C1-C20烷基,C2-C20炔基,C3-C20环烷基, C 4 -C 20烷基环烷基,C 4 -C 20环烷基烷基,芳基,C 7 -C 20烷基芳基或C 7 -C 20芳烷基,R 1和R 2一起表示饱和或不饱和的C 3 -C 9亚烷基二酮,R 3或R 5表示C 21 -C 200烷基,C 21 -C 20烯基 或者它们一起形成C 2 -C 12亚烷基二酮,通过其中R3,R4,R5和R6具有上述含义的通式II(II)的烯烃与一般的氨或伯或仲胺反应, 式III(III)其中R1和R2具有上述含义,在200〜350℃的温度和100〜300巴的压力下,在多相催化剂存在下使用,其中使用的多相催化剂 是基于磷酸铝并具有八面沸石结构的结晶氧化物。

    Preparation of amines from olefins over hexagonal faujasites
    52.
    发明授权
    Preparation of amines from olefins over hexagonal faujasites 失效
    在六边形八面体上由烯烃制备胺

    公开(公告)号:US5773660A

    公开(公告)日:1998-06-30

    申请号:US784548

    申请日:1997-01-21

    CPC分类号: C07C209/60

    摘要: A process for preparing amines of the formula I ##STR1## where R.sup.1,R.sup.2,R.sup.3,R.sup.4,R.sup.5 and R.sup.6 are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.2 -C.sub.20 -alkynyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl, R.sup.1 and R.sup.2 are together a saturated or unsaturated C.sub.3 -C.sub.9 -alkylene dichain, and R.sup.3 or R.sup.5 is C.sub.21 -C.sub.200 -alkyl or C.sub.21 -C.sub.200 -alkenyl or together they are a C.sub.2 -C.sub.12 -alkylene dichain, by reacting olefins of the formula II ##STR2## where R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each as defined above, with ammonia or primary or secondary amines of the formula III ##STR3## where R.sup.1 and R.sup.2 are each as defined above, at temperatures from 200.degree. to 350.degree. C. and pressures from 100 to 300 bar in the presence of a heterogeneous catalyst using a heterogeneous catalyst comprising hexagonal faujasite.

    摘要翻译: 制备式I的胺的方法其中R 1,R 2,R 3,R 4,R 5和R 6各自为氢,C 1 -C 20 - 烷基,C 2 -C 20 - 烯基,C 2 -C 20 - 炔基,C 3 -C 20 - 环烷基,C 4 -C 20 - 烷基环烷基,C 4 -C 20 - 环烷基烷基,芳基,C 7 -C 20 - 烷基芳基或C 7 -C 20 - 芳烷基,R 1和R 2一起是饱和或不饱和的C 3 -C 9 - 亚烷基二烯基,R3或 R5是C21-C200-烷基或C21-C200-烯基,或者它们一起是C2-C12-亚烷基二烯,通过使式II的烯烃(II)反应,其中R3,R4,R5和R6各自定义 与式III(III)的氨或伯胺或仲胺,其中R 1和R 2各自如上定义,在200-350℃的温度和100-300巴的压力下,在存在 使用包含六边形八面沸石的多相催化剂的多相催化剂。

    Process for the preparation of dialkyl carbonates
    54.
    发明授权
    Process for the preparation of dialkyl carbonates 失效
    制备碳酸二甲酯的方法

    公开(公告)号:US5142087A

    公开(公告)日:1992-08-25

    申请号:US564324

    申请日:1990-08-08

    CPC分类号: C07C68/005

    摘要: A process for the continuous synthesis of dialkyl carbonates of the general formula I ##STR1## in which R denotes C.sub.1 -C.sub.4 -alkyl, by reaction of C.sub.1 -C.sub.4 -alkanols with carbon monoxide and oxygen at elevated temperature and pressure and in the presence of a copper-containing catalyst dissolved or suspended in the reaction medium, whereina) a gas stream containing carbon monoxide and oxygen is bubbled through the alkanol/catalyst mixture present in the reactor at a rate of from 1 to 100 liters per hours per gram of copper present in the reactor, part of which gas stream reacts with the alkanol to form dialkyl carbonate and water, which components are continuously entrained, together with alkanol, as a gaseous mixture, from the reaction mixture by means of the remaining, unreacted portion of the carbon monoxide/oxygen gas stream, whereuponb) the resulting gaseous mixture is separated, in a separator, into gaseous and liquid phases, the gaseous phase being recycled to the reactor if desired, andc) the liquid phase, which essentially consists of dialkyl carbonate, water and alkanol, is separated into its components, the dialkyl carbonate being isolated and the alkanol, if desired, recycled to the reactor, andd) the liquid in the reactor is replenished by adding fresh or recycled alkanol at the rate at which the alkanol is consumed and discharged.

    摘要翻译: 通过在升高的温度和压力下将C1-C4-链烷醇与一氧化碳和氧气反应,连续合成通式I的二烷基碳酸酯的方法,其中R表示C 1 -C 4 - 烷基, 溶解或悬浮在反应介质中的含铜催化剂的存在,其中a)含有一氧化碳和氧气的气流以1至100升/小时的速率通过反应器中存在的链烷醇/催化剂混合物 存在于反应器中的每克铜,其中一部分气流与链烷醇反应以形成碳酸二烷基酯和水,该组分与来自反应混合物的烷醇作为气态混合物一起通过剩余的, 一氧化碳/氧气流的未反应部分,然后b)将所得气体混合物在分离器中分离成气相和液相,如果需要,将气相再循环至反应器 ,和c)基本上由碳酸二烷基酯,水和链烷醇组成的液相被分离成其组分,分离出碳酸二烷基酯,如果需要,链烷醇再循环到反应器中,和d)反应器中的液体 通过以消耗和排出链烷醇的速率加入新鲜或回收的链烷醇来补充。

    Preparation of adipic acid
    55.
    发明授权
    Preparation of adipic acid 失效
    己二酸的制备

    公开(公告)号:US4931590A

    公开(公告)日:1990-06-05

    申请号:US205340

    申请日:1988-06-10

    摘要: Adipic acid is prepared by a process which comprises the following steps:(a) Hydroformylation of a pentenoic ester by reaction with carbon monoxide and hydrogen at elevated temperatures and under superatmospheric pressure in the presence of a cobalt carbonyl or rhodium carbonyl complex with formation of a mixture of 5-, 4- and 3-formylvaleric esters,(b) isolation of the 5-formylvaleric ester from the resulting mixture of 5-, 4- and 3-formylvaleric esters, a mixture essentially consisting of 4- and 3-formylvaleric esters remaining,(c) dehydrocarbonylation of the mixture consisting essentially of 4- and 3-formylvaleric esters in the presence of one or more elements of subgroup 8 of the Periodic Table at from 50.degree. to 400.degree. C. with formation of pentenoic esters, and recycling of the latter to stage (a) for hydroformylation,(d) oxidation of the 5-formylvaleric ester from stage (b) with molecular oxygen or a gas containing molecular oxygen to give a monoester of adipic acid, and(e) hydrolysis of the monoester of adipic acid to give adipic acid.

    摘要翻译: 己二酸通过包括以下步骤的方法制备:(a)在羰基或羰基铑羰基络合物的存在下,在一氧化碳和氢气下,在升高的温度和超大气压下与戊烯酸酯反应,加氢甲酰化形成 5-,4-和3-甲酰基戊酸酯的混合物,(b)从得到的5-,4-和3-甲酰基戊酸酯混合物中分离出5-甲酰基戊酸酯,基本上由4-甲酰基戊酰胺 剩余的酯,(c)在50℃至400℃下在元素周期表第8族的一种或多种元素存在下,基本上由4-甲酰基戊酸酯组成的混合物的脱氢羰基化,形成戊烯酸酯, 并将后者再循环到步骤(a)进行加氢甲酰化,(d)用分子氧或含有分子氧的气体从阶段(b)氧化5-甲酰基戊酸酯,得到己二酸的单酯,和(e) 水解己二酸的单酯得到己二酸。

    Preparation of ethylene glycol
    58.
    发明授权
    Preparation of ethylene glycol 失效
    乙二醇的制备

    公开(公告)号:US4740525A

    公开(公告)日:1988-04-26

    申请号:US900770

    申请日:1986-08-26

    CPC分类号: C07C29/158 Y02P20/52

    摘要: Ethylene glycol is prepared from carbon monoxide and hydrogen in homogeneous liquid phase under superatmospheric pressure and at elevated temperature in the presence of a rhodium-containing catalyst and in the presence of an organic solvent, the organic solvent used being a C.sub.2 -C.sub.20 -n-alkanol and the concentration of this alkanol, based on the total amount of the mixture, constantly being maintained at not less than 50% by weight.

    摘要翻译: 乙二醇由均一液相中的一氧化碳和氢气在超大气压和升高的温度下在含铑催化剂存在下制备,并且在有机溶剂存在下,所用的有机溶剂是C 2 -C 20正 - 链烷醇和该烷醇的浓度,基于混合物的总量,不断保持在不小于50重量%。

    Preparation of succinic acid diesters
    59.
    发明授权
    Preparation of succinic acid diesters 失效
    琥珀酸二酯的制备

    公开(公告)号:US4645855A

    公开(公告)日:1987-02-24

    申请号:US644496

    申请日:1984-08-24

    IPC分类号: C07C67/38 C07C69/40 C07C67/03

    CPC分类号: C07C67/38

    摘要: A process for the preparation of succinic acid diesters by carbonylation of acrylic acid esters in the presence of alcohols, using a cobalt carbonyl complex as the catalyst and a heterocyclic nitrogen base as the promoter, at 80.degree.-200.degree. C. and under a carbon monoxide pressure of 60-300 bar, wherein the reaction is carried out in the presence of not less than 20% by weight, based on the amount of all the liquid constituents of the reaction mixture, of an inert liquid and the concentration of the acrylic acid ester is kept, for the predominant part of the reaction time, at below 15% by weight, again based on the amount of all liquid constituents.

    摘要翻译: 通过在醇的存在下,使用羰基钴络合物作为催化剂和杂环氮碱作为助催化剂,在丙烯酸酯的羰基化作用下,在80℃-200℃和碳下,制备琥珀酸二酯的方法 一氧化碳压力为60-300巴,其中反应在不少于20重量%的存在下进行,基于反应混合物的所有液体组分的量,惰性液体的浓度和丙烯酸的浓度 酸性酯在反应时间的主要部分保持在15重量%以下,再次基于所有液体组分的量。

    Preparation of 4-pentenoates
    60.
    发明授权
    Preparation of 4-pentenoates 失效
    4-戊烯酸酯的制备

    公开(公告)号:US4529815A

    公开(公告)日:1985-07-16

    申请号:US608459

    申请日:1984-05-09

    CPC分类号: C07C67/333

    摘要: 4-Pentenoates are prepared by isomerization of isomeric pentenoates in the presence of a catalyst, by a process in which isomeric pentenoates are treated at elevated temperatures with an acidic ion exchanger or acidic zeolite which contains a noble metal of group eight of the periodic table, and the 4-pentenoate is distilled off from the reaction mixture.

    摘要翻译: 通过在酸性离子交换剂或包含元素周期表第八族的贵金属的酸性沸石的高温下处理异构戊烯酸酯的方法,在催化剂存在下异构戊烯酸酯制备4-戊烯酸酯, 并从反应混合物中蒸馏出4-戊烯酸酯。