中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

134 records (took 0.024 seconds)

    Preparation of 3-(2-acyloxyethyl)-dihydro-2(3H)furanones
    1.
    发明授权
    Preparation of 3-(2-acyloxyethyl)-dihydro-2(3H)furanones 失效
    3-（2-酰氧基乙基） - 二氢-2（3H）呋喃酮的制备

    公开(公告)号：US5466831A

    公开(公告)日：1995-11-14

    申请号：US99232

    申请日：1993-07-29

    Applicant: Werner Schnurr ,  Rolf Fischer ,  Norbert Goetz ,  Thomas Kuekenhoehner

    Inventor： Werner Schnurr ,  Rolf Fischer ,  Norbert Goetz ,  Thomas Kuekenhoehner

    IPC: C07D307/33 ,  C07D307/12

    CPC classification number: C07D307/33

    Abstract: A process for the preparation of 3-(2'-acyloxyethyl)-dihydro-2(3H)furanones of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl, in which a 3-(2'-oxyethyl)-dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl is caused to react with a carboxylic acid, a carboxylic anhydride, and/or an acyl halide in the presence of an acid catalyst at temperatures of from 50.degree. to 250.degree. C. and pressures of from 0.1 to 100 bar.

    Abstract translation: 制备通式I，C5-C8环烷基，芳基，C7-C12芳烷基或C7-C12烷基芳基的3-（2'-酰氧基乙基） - 二氢-2（3H）呋喃酮的方法，其中3 - （2'-氧乙基） - 二氢-2（3H）呋喃酮，其中R 2表示C 1 -C 12烷基，C 5 -C 8环烷基，芳基，C 7 -C 12芳烷基或C 7 -C 12芳烷基， C12烷基芳基在酸催化剂存在下，在50-250℃，压力为0.1-100巴的条件下，与羧酸，羧酸酐和/或酰卤反应。

    Preparation of tetrahydropyran-4-carboxylic acid and esters thereof
    3.
    发明授权
    Preparation of tetrahydropyran-4-carboxylic acid and esters thereof 失效
    四氢吡喃-4-羧酸及其酯的制备

    公开(公告)号：US5371246A

    公开(公告)日：1994-12-06

    申请号：US110219

    申请日：1993-08-23

    Applicant: Dirk Borchers ,  Rolf Fischer ,  Norbert Goetz ,  Thomas Kuekenhoehner ,  Werner Schnurr

    Inventor： Dirk Borchers ,  Rolf Fischer ,  Norbert Goetz ,  Thomas Kuekenhoehner ,  Werner Schnurr

    IPC: B01J21/04 ,  C07B61/00 ,  C07D309/08 ,  C07D309/06

    CPC classification number: C07D309/08

    Abstract: A process for the preparation of tetrahydropyran-4-carboxylic acid and esters thereof of the general formula I ##STR1## in which R.sup.1 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.8 cycloalkyl, or aryl by the reaction of a dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, or --CO--R.sup.3 andR.sup.3 denotes hydrogen or C.sub.1 -C.sub.6 alkyl, with water or an alcohol of the general formula IIIR.sup.1 --OH (III),in whichR.sup.1 has the aforementioned meaning,at temperatures ranging from 200.degree. to 350.degree. C. in the presence of a heterogenous acid catalyst, in which use is made of a fixed heterogenous acid catalyst.

    Abstract translation: 制备通式I的四氢吡喃-4-羧酸及其酯的方法，其中R 1表示氢，C 1 -C 6烷基，C 5 -C 8环烷基或芳基，其中二氢 -2（3H）呋喃酮，其中R 2表示氢，C 1 -C 6烷基或-CO-R 3，R 3表示氢或C 1 -C 6烷基，其中R 2表示氢或C 1 -C 6烷基， 在异种酸催化剂的存在下，在200〜350℃的温度范围内，通式III的R1-OH（Ⅲ），其中R 1具有上述含义，其中使用固定的异种酸催化剂。

    Pyridine derivatives and their use for controlling undesirable plant growth
    4.
    发明授权
    Pyridine derivatives and their use for controlling undesirable plant growth 失效
    吡啶衍生物及其用于控制​​不希望的植物生长的用途

    公开(公告)号：US5262387A

    公开(公告)日：1993-11-16

    申请号：US783310

    申请日：1991-11-20

    Applicant: Gerhard Hamprecht ,  Norbert Goetz ,  Bruno Wuerzer ,  Karl-Otto Westphalen

    Inventor： Gerhard Hamprecht ,  Norbert Goetz ,  Bruno Wuerzer ,  Karl-Otto Westphalen

    IPC: A01N43/40 ,  A01N43/90 ,  C07D213/81 ,  C07D213/82 ,  C07D471/04

    CPC classification number: C07D213/81 ,  A01N43/40 ,  A01N43/90 ,  C07D213/82 ,  C07D471/04

    Abstract: Pyridine derivatives of the formulae ##STR1## wherein W, X, Y and Z are each C--R.sup.4, N or N.fwdarw.O, with the proviso that the ring contains only one heteroatom, and the substituents R.sup.1, R.sup.2 and R.sup.3 have the following meanings:R.sup.1 is alkoxy, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl,R.sup.2 is hydrogen,R.sup.3 is formyl, 4,5-dihydrooxazol-2-yl or --CO--A--R.sup.5 or --CO--NR.sup.6.sup.R.sup.7, whereR.sup.4 is halogen, nitro, cyano, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, alkenyloxy, alkynyloxy, alkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, substituted or unsubstituted phenoxy or phenylthio, a substituted or unsubstituted 5- or 6-membered heterocyclic radical having one or two heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, or is substituted or unsubstituted phenyl,A is oxygen or sulfur,R.sup.5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, cycloalkyl, substituted or unsubstituted phenyl,one equivalent of a cation or the radical --N.dbd.CR.sup.8 R.sup.9 andR.sup.6 and R.sup.7 are hydrogen or alkyl or together denote a methylene chain having 4 or 5 members,their agriculturally utilizable salts, and their use for controlling unwanted plant growth.

    Abstract translation: 其中W，X，Y和Z各自为C-R 4，N或N-> O的吡啶衍生物，条件是环仅含有一个杂原子，并且取代基R 1，R 2和 R3具有以下含义：R 1是烷氧基，取代或未取代的烷基，取代或未取代的环烷基，取代或未取代的烯基，或取代或未取代的炔基，R 2是氢，R 3是甲酰基，4,5-二氢恶唑-2-基或 - CO-A-R5或-CO-NR6R7，其中R4是卤素，硝基，氰基，取代或未取代的烷基，取代或未取代的苄基，取代或未取代的环烷基，取代或未取代的烯基，取代或未取代的炔基，烷氧基，烷硫基，卤代烷氧基 卤代烷硫基，烯氧基，炔氧基，烷基亚磺酰基，烷基磺酰基，卤代烷基磺酰基，取代或未取代的苯氧基或苯硫基，取代或未取代的具有一个或两个选自基团的杂原子的5-或6-元杂环基 氧，硫和氮的取代基，或者是取代或未取代的苯基，A是氧或硫，R5是氢，取代或未取代的烷基，取代或未取代的苄基，环烷基，取代或未取代的苯基，1当量的阳离子或基团 -N = CR8R9，R6和R7是氢或烷基或一起表示具有4或5个成员的亚甲基链，它们的农业上可利用的盐，以及它们用于控制不想要的植物生长的用途。

    Preparation of .alpha.,.beta.-unsaturated carbonyl compounds
    7.
    发明授权
    Preparation of .alpha.,.beta.-unsaturated carbonyl compounds 失效
    （ALPHA），（BETA） - 饱和碳化合物的制备

    公开(公告)号：US5169958A

    公开(公告)日：1992-12-08

    申请号：US769022

    申请日：1991-10-01

    Applicant: Heinz Isak ,  Norbert Goetz ,  Thomas Kuekenhoehner

    Inventor： Heinz Isak ,  Norbert Goetz ,  Thomas Kuekenhoehner

    IPC: C07C45/67 ,  C07C45/68 ,  C07C47/232 ,  C07C47/24 ,  C07C47/277 ,  C07C223/02 ,  C07C225/16 ,  C07C229/34

    CPC classification number: C07C229/34 ,  C07C223/02 ,  C07C225/16 ,  C07C45/673 ,  C07C45/68 ,  C07C47/232 ,  C07C47/24 ,  C07C47/277

    Abstract: A process for the preparation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or aryloxy,R.sup.2 is aryl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen andR.sup.3 is tetrahydrofuranyl or aryl which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen, which comprises reacting 3-amino-2-propen-1-ones of the formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, and R.sup.4 and R.sup.5 are, independently of one another, hydrogen, C.sub.1 -C.sub.10 -alkyl or aryl, with a magnesium halide of the formula IIIR.sup.3 --Mg--Y (III) where Y is halogen, at from -20.degree. to 100.degree. C., and novel .alpha.,.beta.-unsaturated carbonyl compounds and novel 3-amino-2-propen-1-ones are described.

    Abstract translation: 制备式I的α，β-不饱和羰基化合物的方法，其中R1是氢，C1-C10-烷基，C1-C10-烷氧基或芳氧基，R2是未取代或取代的芳基 C1-C4-烷基，C1-C4-烷氧基，三氟甲基和/或卤素，R3是被C1-C4-烷基，C1-C4-烷氧基，三氟甲基和/或卤素取代的四氢呋喃基或芳基，其包括使3 - 氨基-2-丙烯-1-酮，其中R 1和R 2具有上述含义，并且R 4和R 5彼此独立地为氢，C 1 -C 10 - 烷基或芳基， 与式III的卤化镁R3-Mg-Y（III）其中Y是卤素，在-20℃至100℃，和新的α，β-不饱和羰基化合物和新的3-氨基-2-丙烯 描述-1。

    N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates
    9.
    发明授权
    N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates 失效
    N-取代的3,4,5,6-四氢去唾液酸及其中间体

    公开(公告)号：US5062884A

    公开(公告)日：1991-11-05

    申请号：US463817

    申请日：1990-01-16

    Applicant: Peter Plath ,  Karl Eicken ,  Norbert Goetz ,  Jochen Wild ,  Norbert Meyer ,  Bruno Wuerzer

    Inventor： Peter Plath ,  Karl Eicken ,  Norbert Goetz ,  Jochen Wild ,  Norbert Meyer ,  Bruno Wuerzer

    IPC: A01N37/10 ,  A01N37/18 ,  A01N37/32 ,  A01N37/46 ,  A01N43/36 ,  A01N43/38 ,  C07C201/12 ,  C07C205/07 ,  C07C205/44 ,  C07C205/56 ,  C07C227/04 ,  C07C229/36 ,  C07C229/40 ,  C07C231/12 ,  C07C233/05 ,  C07C233/65 ,  C07C237/30 ,  C07C255/32 ,  C07C255/34 ,  C07C255/41 ,  C07D209/48

    CPC classification number: C07D209/48 ,  A01N37/46 ,  C07C205/44 ,  C07C205/56 ,  C07C255/00

    Abstract: N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates of the general formula I ##STR1## where A is --NO.sub.2, --NH.sub.2 or ##STR2## corresponding to the compounds Ia, Ib and Ic, B is --CH.sub.2 --, --CH.sub.2 --CHR.sup.1 --, --CH.sub.2 --CHR.sup.1 --CH.sub.2 --, --CH.dbd., --CH.dbd.CR.sup.1 -- or --CH.dbd.CR.sup.1 --CH.dbd., R.sup.1 being --H, --Cl, --Br or --CH.sub.3, D is ##STR3## depending on the terminal group B, X is --H, --Cl or --Br, Y is --H, C.sub.1 -C.sub.7 --alkyl, --Cl, --Br, --CN, --CONH.sub.2 --CO.sub.2 R.sup.2, where R.sup.2 is H, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -- or C.sub.6 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylmercapto-C.sub.2 -C.sub.4 -alkyl, propargyl, benzyl, .alpha.-phenylethyl, .alpha.-phenylpropyl, C.sub.2 -C.sub.4 -alkyl which is monosubstituted, disubstituted or trisubstituted by F or Cl, or CH.sub.3 -substituted or Cl-substituted allyl, and Z is --COOR.sup.2, --CONR.sup.3 R.sup.4, ##STR4## where R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl or together form a 5-membered or 6-membered cycloaliphatic ring whose carbon chain may be interrupted by an oxygen atom.

    Abstract translation: B）是N-取代的3,4,5,6-四氢邻苯二甲酰亚胺及其中间体，其中A是与化合物Ia，Ib和Ic相对应的-NO 2，-NH 2或 -CH 2 - ， - CH 2 -CHR 2 - ， - CH =， - CH = CR 1或-CH = CR 1 -CH =，R 1是-H，-Cl，-Br或-CH 3， D是取代基末端基团B，X是-H，-Cl或-Br，Y是-H，C 1 -C 7 - 烷基，-Cl，-Br，-CN，-CONH 2 -CO 2 R 2，其中R 2 是C 1 -C 6烷基，C 5 - 或C 6 - 环烷基，C 1 -C 4 - 烷氧基-C 1 -C 4烷基，C 1 -C 4烷基巯基-C 2 -C 4 - 烷基，炔丙基，苄基，α-苯乙基，α- 苯基丙基，被F或Cl单取代或三取代的C 2 -C 4 - 烷基，Z是-COOR 2，-CONR 3 R 4，其中R 3和R 4各自为H或C 1 -C 1-4 - 烷基或一起形成其碳链可以被氧原子间隔开的5元或6元环脂族环。

Patent Agency Ranking