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    Preparation of 4-acetals of butene-1,4-dial and novel acetals of butene-1,4-dial
    1.
    发明授权
    Preparation of 4-acetals of butene-1,4-dial and novel acetals of butene-1,4-dial 失效
    保护1,4-DIAL的4-乙酸丁酯和1,4-DIAL的新型乙烯的制备

    公开(公告)号：US5162552A

    公开(公告)日：1992-11-10

    申请号：US44805

    申请日：1987-04-30

    申请人： Franz Merger ,  Rolf Fischer ,  Hans Horler ,  Juergen Frank

    发明人： Franz Merger ,  Rolf Fischer ,  Hans Horler ,  Juergen Frank

    IPC分类号： C07C45/00 ,  C07C45/74 ,  C07C47/277 ,  C07C67/00 ,  C07D319/06

    CPC分类号： C07C45/74 ,  C07D319/06

    摘要： A process for the preparation of 4-acetals of butene-1,4-dial of the formula ##STR1## where R is an alkyl, alkenyl, cycloalkyl or aralkyl radical of 1 to 12 carbon atoms which may contain alkoxy groups, or the two radicals R together form an alkylene or alkenylene radical of 2 to 10 carbon atoms which may contain alkoxy groups, and R.sup.1 is an alkyl, alkenyl or alkynyl radical of 1 to 12 carbon atoms which may be substituted by cycloaliphatic, aromatic or heterocyclic radicals or by hydroxyl, ether, thioether, acyl, alkylamino, carboxyl or carbalkoxy groups, or is an unsubstituted or substituted aryl radical or an alkoxy, alkylthio or acyloxy group, wherein a glyoxal monoacetal of the formula ##STR2## is reacted with an aldehyde of the formulaR.sup.1 --CH.sub.2 --CHO IIIat up to 150.degree. C., and novel acetals of butene-1,4-dial.

    摘要翻译： 制备式Ia的1,4-缩醛的4-缩醛的方法，其中R是可以含有烷氧基的具有1至12个碳原子的烷基，烯基，环烷基或芳烷基，或 两个基团R一起形成可含有烷氧基的2至10个碳原子的亚烷基或亚烯基，R 1是可以被脂环族，芳族或杂环基取代的具有1至12个碳原子的烷基，烯基或炔基，或 通过羟基，醚，硫醚，酰基，烷基氨基，羧基或烷氧基，或者是未取代或取代的芳基或烷氧基，烷硫基或酰氧基，其中式II的乙二醛单缩醛与式 式R1-CH2-CHOⅢ在最高达150℃，新戊烯-1,4-表盘的缩醛。

    Preparation of cyclopentenones
    2.
    发明授权
    Preparation of cyclopentenones 失效
    环戊二烯的制备

    公开(公告)号：US5118864A

    公开(公告)日：1992-06-02

    申请号：US664382

    申请日：1991-03-04

    申请人： Franz Merger ,  Tom Witzel ,  Hans Horler ,  Helmut Lermer

    发明人： Franz Merger ,  Tom Witzel ,  Hans Horler ,  Helmut Lermer

    IPC分类号： B01J21/12 ,  B01J29/06 ,  C07B61/00 ,  C07C45/45 ,  C07C45/54 ,  C07C49/597

    CPC分类号： C07C45/455 ,  Y02P20/582

    摘要： Cyclopentenones of the formula I ##STR1## where each of R.sup.1 to R.sup.4 is independently of the others hydrogen or an organic radical, are prepared by converting a carboxylic ester of the formula IIa, IIb or IIcR.sup.1 CH.dbd.CR.sup.2 --CHR.sup.3 --CHR.sup.4 --CO.sub.2 R.sup.5 (IIa) and/orR.sup.1 CH.sub.2 --CR.sup.2 .dbd.CR.sup.3 --CHR.sup.4 --CO.sub.2 R.sup.5(IIb) and/orR.sup.1 CH.sub.2 --CHR.sup.2 --CR.sup.3 .dbd.CR.sup.4 --CO.sub.2 R.sup.5(IIc),where each of R.sup.1 to R.sup.4 is as defined above and R.sup.5 is C.sub.1 -C.sub.8 -alkyl, over an acidic heterogeneous catalyst at 50.degree.-800.degree. C. and 0.001-50 bar.

    摘要翻译： 通过将式IIa，IIb或IIc的羧酸酯R1CH = CR2-CHR3-CHR4转化成其中R 1至R 4各自独立地为氢或有机基团的式I（I）的环戊烯酮 -CO 2 R 5（IIa）和/或R 1 CH 2 -CR 2 = CR 3 -CHR 4 -CO 2 R 5（IIb）和/或R 1 CH 2 -CHR 2 -CR 3 = CR 4 -CO 2 R 5（IIc），其中R 1至R 4各自如上所定义， -C 1-8 - 烷基，在50-800℃和0.001-50巴的酸性非均相催化剂上。

    Preparation of olefinically unsaturated carboxylic esters having a terminal ester group
    3.
    发明授权
    Preparation of olefinically unsaturated carboxylic esters having a terminal ester group 失效
    具有末端酯基的烯属不饱和羧酸酯的制备

    公开(公告)号：US4999453A

    公开(公告)日：1991-03-12

    申请号：US337867

    申请日：1989-04-14

    申请人： Franz Merger ,  Hans Horler ,  Wolfgang Hoelderich ,  Tom Witzel

    发明人： Franz Merger ,  Hans Horler ,  Wolfgang Hoelderich ,  Tom Witzel

    IPC分类号： B01J29/04 ,  B01J29/40 ,  B01J29/83 ,  B01J29/85 ,  B01J29/86 ,  B01J29/88 ,  C07B61/00 ,  C07C67/32 ,  C07C69/533

    CPC分类号： C07C67/32 ,  C07C69/533 ,  Y02P20/582

    摘要： Olefinically unsaturated carboxylic esters having a terminal ester group and of the general formulae Ia and IbR.sup.1 --CH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.r--1 --COOR.sup.2 (Ia)R.sup.1 --CH.dbd.CH--(CH.sub.2).sub.r --COOR.sup.2 (Ib)and, if desired, further double bond isomers, where R.sup.1 is hydrogen or an organic radical, R.sup.2 is C.sub.1 -C.sub.8 -alkyl and r is from 1 to 20, are prepared by a process in which an .alpha.-substituted .alpha.,.omega.-(n-alkylenedicarboxylic ester) of the general formula II ##STR1## where R.sup.1 and R.sup.2 and r have the abovementioned meanings and R.sup.3 is C.sub.1 -C.sub.8 -alkyl, is converted over an acidic heterogeneous catalyst at from 150.degree. to 800.degree. C. and under from 0.01 to 50 bar.

    摘要翻译： 具有末端酯基和通式Ia和Ib的烯属不饱和羧酸酯R1-CH2-CH = CH-（CH2）r-1-COOR2（Ia）R1-CH = CH-（CH2）r-COOR2（Ib ），并且如果需要，其中R 1是氢或有机基团的另外的双键异构体，R 2是C 1 -C 8 - 烷基，r是1至20，是通过以下方法制备的，其中α-取代的α，ω- 其中R 1和R 2和r具有上述含义，并且R 3是C 1 -C 8烷基的通式II（II）的（正 - 亚烷基二羧酸酯）在150至800℃的酸性非均相催化剂上转化 在0.01至50巴之间。

    Preparation of 2-substituted 4-acyloxy-2-butenals
    4.
    发明授权
    Preparation of 2-substituted 4-acyloxy-2-butenals 失效
    2-取代的4-酰氧基-2-丁烯醛的制备

    公开(公告)号：US4873362A

    公开(公告)日：1989-10-10

    申请号：US115891

    申请日：1987-11-02

    申请人： Franz Merger ,  Rolf Fischer ,  Hans Horler

    发明人： Franz Merger ,  Rolf Fischer ,  Hans Horler

    IPC分类号： C07C67/293 ,  B01J31/04 ,  C07B61/00 ,  C07C67/297 ,  C07C69/025 ,  C07C69/145 ,  C07C69/24

    CPC分类号： C07C67/297

    摘要： 2-Substituted 4-acyloxy-2-butenals of the general formula I ##STR1## where R.sup.1 is alkyl of 1 to 12 carbon atoms which may be substituted by cycloalphatic, aromatic or heterocyclic radicals, by alkenyl or alkynyl or by hydroxyl, ether, thioether, acetoxy acyl, alkylamino, carboxyl or carbalkoxy, and R.sup.2 is acyloxy, are prepared by reacting a monosubstituted acetaldehyde of the general formula II ##STR2## where R.sup.2 has the abovementioned meaning, with an aldehyde of the general formula III ##STR3## where R.sup.1 has the abovementioned meaning, in the presence of a linear or cyclic secondary amine and of an organic acid at from 20.degree. to 100.degree. C.

    摘要翻译： 2-取代的通式I的（I）的4-酰氧基-2-丁烯，其中R 1是可被环基，芳族或杂环基取代的，可被烯基或炔基或羟基取代的1至12个碳原子的烷基 ，醚，硫醚，乙酰氧基酰基，烷基氨基，羧基或烷氧基，R2是酰氧基，是通过使具有上述含义的R2具有上述含义的通式II（II）的单取代乙醛与通式 式III（III）其中R 1具有上述含义，在线性或环状仲胺存在下，在20-100℃的有机酸存在下进行。