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    Preparation of enol ethers
    71.
    发明授权
    Preparation of enol ethers 失效
    烯醇醚的制备

    公开(公告)号：US4960954A

    公开(公告)日：1990-10-02

    申请号：US329007

    申请日：1989-03-27

    申请人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer ,  Walter Himmele

    发明人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer ,  Walter Himmele

    IPC分类号： C07C41/48 ,  C07C45/49 ,  C07C47/198 ,  C07C67/327

    CPC分类号： C07C41/48 ,  C07C45/49 ,  C07C47/198 ,  C07C67/327 ,  Y02P20/582

    摘要： Enol ethers of the general formula I ##STR1## are prepared by eliminating the radical R.sup.4 OH from acetals or ketals of the formula II ##STR2## where the substituents R.sup.1 and R.sup.2 are each independently of the other hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.8 -cycloalkenyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-substituted aryl or C.sub.7 -C.sub.16 aralkyl,R.sup.3 is --CR.sup.5 (OR.sup.4).sub.2, --COOR.sup.4 or --COR.sup.4,R.sup.4 is C.sub.1 -C.sub.20 -alkyl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl,R.sup.5 is hydrogen or C.sub.1 -C.sub.8 -alkyl,in a process which comprises performing the reaction in the presence of phosphoric acid and/or phosphates on a carrier material and/or phosphates and/or zeolites as catalysts.

    摘要翻译： 通式I（I）的烯醇醚通过从式II（II）的缩醛或缩酮中除去基团R 4 OH来制备，其中取代基R 1和R 2各自独立地为氢，C1- C 1 -C 8烷基，C 3 -C 8环烷基，C 3 -C 8 - 环烯基，未取代的或C 1 -C 4烷基取代的芳基或C 7 -C 16芳烷基，R 3是-CR 5（OR 4）2，-COOR 4或-COR 4， - 烷基，C 7 -C 20 - 烷基芳基或C 7 -C 20 - 芳烷基，R 5是氢或C 1 -C 8 - 烷基，其包括在载体材料上的磷酸和/或磷酸盐存在下进行反应和/或 磷酸盐和/或沸石作为催化剂。

    Preparation of ketones
    72.
    发明授权
    Preparation of ketones 失效
    酮的制备

    公开(公告)号：US4950763A

    公开(公告)日：1990-08-21

    申请号：US381469

    申请日：1989-07-18

    申请人： Charles Schommer ,  Klaus Ebel ,  Toni Dockner ,  Matthias Irgang ,  Wolfgang Hoelderich ,  Harald Rust

    发明人： Charles Schommer ,  Klaus Ebel ,  Toni Dockner ,  Matthias Irgang ,  Wolfgang Hoelderich ,  Harald Rust

    IPC分类号： B01J21/06 ,  B01J23/04 ,  C07B61/00 ,  C07C45/00 ,  C07C45/48 ,  C07C45/74 ,  C07C49/04 ,  C07C49/76 ,  C07C49/792 ,  C07C67/00 ,  C07D213/50

    CPC分类号： B01J23/04 ,  C07C45/48 ,  C07D213/50

    摘要： Ketones of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 independently of one another are each alkyl, cycyloalkyl, arylalkyl, aryl or hetaryl, and one or more of the radicals R.sup.1 and R.sup.2 carry one or more hydrogen atoms on the .alpha.-carbon atom, are prepared by reacting two carboxylic acids of the general formulae (IIa/IIb), R.sup.1 --COOH (IIa) and R.sup.2 --COOH (IIb) or by reacting a carboxylic acid R.sup.1 --COOH (IIa) and a ketone ##STR2## or by reacting a mixture of IIa, IIb and Ib, in the gas phase in the presence of a catalyst, by a process in which a catalyst is used whose active material contains at least 50% by weight of titanium dioxide having a specific surface area greater than 10 m.sup.2 /g.0.

    摘要翻译： 其中R 1和R 2彼此独立地为烷基，氰基烷基，芳基烷基，芳基或杂芳基的通式（I）的酮，其中R 1和R 2中的一个或多个携带一个或多个氢原子 通过使通式（IIa / IIb），R1-COOH（IIa）和R2-COOH（IIb）的两种羧酸反应或通过使羧酸R1-COOH（IIa）和 酮（Ib）或IIa，IIb和Ib的混合物在气相中，在催化剂存在下，通过使用活性物质含有至少50重量％的催化剂的方法 的比表面积大于10m 2 / g的二氧化钛。

    Preparation of phenylacetaldehydes
    74.
    发明授权
    Preparation of phenylacetaldehydes 失效
    苯乙醛的制备

    公开(公告)号：US4929765A

    公开(公告)日：1990-05-29

    申请号：US274930

    申请日：1988-11-22

    申请人： Hubert Smuda ,  Wolfgang Hoelderich ,  Norbert Goetz ,  Hans-Gert Recker

    发明人： Hubert Smuda ,  Wolfgang Hoelderich ,  Norbert Goetz ,  Hans-Gert Recker

    IPC分类号： C07C45/51 ,  C07C45/52 ,  C07C45/54 ,  C07C45/58

    CPC分类号： C07C45/52 ,  C07C45/512 ,  C07C45/513 ,  C07C45/54 ,  C07C45/58 ,  Y02P20/582

    摘要： Phenylacetaldehydes of the general formula I ##STR1## where R.sup.1 to R.sup.5 are each independently of the others hydrogen, alkyl, alkoxy, halogen, haloalkyl, haloalkoxy or haloalkylthio, by catalytic rearrangement in the presence of a zeolite, are prepared by reacting an epoxy of the formula II or a phenylglycol of the formula III ##STR2## where Y and Z can be identical to or different from each other and are each hydroxyl, alkoxy, aryloxy or acyloxy, in the gas phase over a borosilicate zeolite catalyst at from 70.degree. to 200.degree. C. under reduced pressure.

    摘要翻译： 通过在沸石存在下通过催化重排，其中R 1至R 5各自独立地为氢，烷基，烷氧基，卤素，卤代烷基，卤代烷氧基或卤代烷硫基的通式I（I）的苯基乙醛通过使 式II的环氧基或式III的苯基二醇其中Y和Z可以彼此相同或不同，并且各自为羟基，烷氧基，芳氧基或酰氧基，其中 气相在硼硅酸盐沸石催化剂上在70〜200℃下减压。

    Preparation of acylated imidazoles
    76.
    发明授权
    Preparation of acylated imidazoles 失效
    酰化咪唑的制备

    公开(公告)号：US4924000A

    公开(公告)日：1990-05-08

    申请号：US321110

    申请日：1989-03-09

    申请人： Michael Hesse ,  Wolfgang Hoelderich ,  Toni Dockner ,  Hermann Koehler

    发明人： Michael Hesse ,  Wolfgang Hoelderich ,  Toni Dockner ,  Hermann Koehler

    IPC分类号： B01J21/00 ,  B01J21/04 ,  B01J21/06 ,  B01J21/08 ,  B01J23/20 ,  B01J27/18 ,  B01J29/04 ,  C07B61/00 ,  C07D233/54 ,  C07D233/64

    CPC分类号： C07D233/64

    摘要： Acylated imidazoles of the formula ##STR1## where R.sup.1 and R.sup.3 are each H, alkyl of from 1 to 12 carbon atoms, alkenyl of from 1 to 12 carbon atoms, aryl, aralkyl or alkylaryl, R.sup.4 is H, alkyl of from 1 to 12 carbon atoms, alkenyl of from 1 to 12 carbon atoms, aryl, aralkyl or alkylaryl, and R.sup.5 is alkyl of from 1 to 12 carbon atoms, alkenyl of from 1 to 12 carbon atoms, aryl, aralkyl, alkylaryl or carboxyl, are prepared by reacting imidazoles of the formula ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each alkyl of from 1 to 12 carbon atoms, alkenyl of from 1 to 12 carbon atoms, aryl, aralkyl or alkylaryl, at least one of the radicals R.sup.1, R.sup.2 and R.sup.3 being hydrogen, and R.sup.4 is H, alkyl of from 1 to 12 carbon atoms, alkenyl of from 1 to 12 carbon atoms, aryl, aralkyl or alkylaryl, with widely used acylating agents of the formula ##STR3## where R.sup.5 is as defined above and Y is halide, alkoxy, acyloxy or hydroxyl, in the presence of acidic metal oxides and/or phosphates, preferably in the gas phase.

    摘要翻译： 其中R 1和R 3各自为H，具有1至12个碳原子的烷基，1至12个碳原子的烯基，芳基，芳烷基或烷基芳基，R 4为H，1至12的烷基， 碳原子，1至12个碳原子的烯基，芳基，芳烷基或烷基芳基，R5是1至12个碳原子的烷基，1至12个碳原子的烯基，芳基，芳烷基，烷基芳基或羧基， 使式（Ia）的咪唑与R1，R2和R3各自为1至12个碳原子的烷基，1至12个碳原子的烯基，芳基，芳烷基或烷基芳基，基团R1，R2和 R3为氢，R4为H，1至12个碳原子的烷基，1至12个碳原子的烯基，芳基，芳烷基或烷基芳基，以及广泛使用的通式为“IMAGE”的酰化剂，其中R5如上定义 在酸性金属氧化物和/或磷酸盐的存在下，优选在气相中，Y是卤化物，烷氧基，酰氧基或羟基。

    Preparation of ketones
    78.
    发明授权
    Preparation of ketones 失效
    酮的制备

    公开(公告)号：US4866210A

    公开(公告)日：1989-09-12

    申请号：US144372

    申请日：1988-01-15

    申请人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    发明人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    IPC分类号： C07C45/65 ,  C07C45/67

    CPC分类号： C07C45/65 ,  C07C45/673 ,  C07C45/676 ,  Y02P20/582

    摘要： Ketones of the formula ##STR1## where R.sup.1 to R.sup.3 are each hydrogen and R.sup.1 to R.sup.4 are each alkyl of 1 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, aryl, aralkyl or alkylaryl, which each in turn may be substituted, or R.sup.1 and R.sup.2 and R.sup.3 together with the carbon atoms to which they are bonded form a cycloalkane, are prepared by reacting ketones of the formula ##STR2## where one of R.sup.1, R.sup.2, R.sup.3 and R.sup.5 is hydroxyl, alkoxy or carboxyl while the remaining R.sup.1 to R.sup.4 have the abovementioned meanings, with hydrogen in the presence of acid catalysts supporting one or more hydrogenation components, zeolites of the pentasil type being particularly suitable.

    摘要翻译： 其中R 1至R 3各自为氢且R 1至R 4各自为具有1至12个碳原子的烷基，4至8个碳原子的环烷基，芳基，芳烷基或烷基芳基的式“IMAGE”的酮，其各自依次可被取代， 或者R 1和R 2和R 3与它们所键合的碳原子一起形成环烷烃，是通过使下式的酮反应制备的：其中R1，R2，R3和R5之一是羟基，烷氧基或羧基，而其余的 R1至R4具有上述含义，在负载一种或多种氢化组分的酸催化剂存在下用氢气，pentasil型沸石是特别合适的。

    Preparation of 3-pentenoates from 2-pentenoates
    79.
    发明授权
    Preparation of 3-pentenoates from 2-pentenoates 失效
    由2-戊烯酸酯制备3-戊烯酸酯

    公开(公告)号：US4845269A

    公开(公告)日：1989-07-04

    申请号：US125560

    申请日：1987-11-25

    申请人： Rolf Fischer ,  Wolfgang Hoelderich ,  Manfred Sauerwald

    发明人： Rolf Fischer ,  Wolfgang Hoelderich ,  Manfred Sauerwald

    IPC分类号： B01J27/16 ,  B01J23/02 ,  B01J27/00 ,  B01J27/18 ,  B01J29/00 ,  B01J29/08 ,  B01J29/70 ,  C07B61/00 ,  C07C67/333 ,  C07C69/52 ,  C07C69/533

    CPC分类号： C07C67/327 ,  B01J29/084 ,  B01J29/40 ,  B01J29/86 ,  C07C319/18 ,  C07C67/31 ,  C07D295/15 ,  B01J2229/186 ,  B01J2229/20 ,  B01J2229/42

    摘要： 3-pentenoates are prepared from 2-pentenoates by a process in which(a) a 2-pentenoate of the formula ##STR1## where R.sup.1 is alkyl of 1 to 12 carbon atoms, cycloalkyl of 5 to 8 carbon atoms, aralkyl of 7 to 10 carbon atoms or aryl of 6 to 10 carbon atoms, is reacted with a compound of the formula IIR.sup.2 -X-H IIwhere R.sup.2 has the meanings given for R.sup.1 and X is an oxygen or sulfur atom, or with a compound of the formula III ##STR2## where R.sup.3 is hydrogen or R.sup.3 and R.sup.4 are each alkyl of 1 to 12 carbon atoms, cycloakkyl of 5 to 8 carbon atoms, aralkyl of 7 to 10 carbon atoms or aryl of 6 to 10 carbon atoms, and R.sup.3 and R.sup.4 together with the nitrogen atom on which they are substituents may form a 5-membered to 7-membered ring which may additionally contain a nitrogen or oxygen atom as a hetero atom, at from 20.degree. to 300.degree. C., in the presence or absence of a basic catalyst, to give a compound of the formula IV ##STR3## where Y is --XR.sup.2 or ##STR4## in which X, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the above meanings, and(b) the compound of the formula IV is cleaved in the liquid or gas phase in the presence of an acidic catalyst at from 150.degree. to 450.degree. C. to give a mixture of 3- and 2-pentenoates, and the 3-pentenoate is isolated.

    摘要翻译： 通过以下方法由2-戊烯酸酯制备3-戊烯酸酯，其中（a）式Ⅰ的2-戊烯酸酯，其中R 1为1至12个碳原子的烷基，5至8个碳原子的环烷基，7个芳烷基 至10个碳原子或6至10个碳原子的芳基与式II R2-XH II化合物反应，其中R2具有对R 1给定的含义，X是氧或硫原子，或与式 III，其中R 3是氢或R 3和R 4各自为1至12个碳原子的烷基，5至8个碳原子的环烷基，7至10个碳原子的芳烷基或6至10个碳原子的芳基， R4与它们是取代基的氮原子一起可以形成5元至7元环，其可以在20℃至300℃下另外含有作为杂原子的氮原子或氧原子， 不存在碱性催化剂，得到其中Y是-XR2或其中X，R1，R2，R3和R4具有上述m的式IV的化合物IV （b）在150℃至450℃的酸性催化剂存在下，式IV化合物在液相或气相中裂解，得到3-和2-戊烯酸酯的混合物，并且 3-戊烯酸酯是分离的。