1-vinyl-3(E)-ethylidene pyrrolidone
    31.
    发明授权
    1-vinyl-3(E)-ethylidene pyrrolidone 失效
    1-乙烯基-3(E) - 亚乙基吡咯烷酮

    公开(公告)号:US5274120A

    公开(公告)日:1993-12-28

    申请号:US25523

    申请日:1993-03-03

    IPC分类号: C07D207/38 C07D207/263

    CPC分类号: C07D207/38

    摘要: What is provided herein is 1-vinyl-3(E)-ethylidene pyrrolidone in a purity of at least 95%, in the form of white, needle-shaped crystals having a melting point of 59.degree.-61.degree. C.

    摘要翻译: 本文提供的纯度为至少95%的1-乙烯基-3(E) - 亚乙基吡咯烷酮,呈白色,熔点为59-61℃的针状晶体。

    Process for the synthesis and recovery of
tetrahydro-N-[1-methyl-1-[3-(1-methylethenyl)-phenyl]ethyl]-2-oxo-1-H-py
rrolo-1-carboxamide
    32.
    发明授权
    Process for the synthesis and recovery of tetrahydro-N-[1-methyl-1-[3-(1-methylethenyl)-phenyl]ethyl]-2-oxo-1-H-py rrolo-1-carboxamide 失效
    合成和回收四氢-N- [1-甲基-1- [3-(1-甲基乙烯基) - 苯基]乙基] -2-氧代-1H-吡咯-1-甲酰胺的方法

    公开(公告)号:US5208347A

    公开(公告)日:1993-05-04

    申请号:US876149

    申请日:1992-04-30

    IPC分类号: C07D207/26 C07D207/263

    CPC分类号: C07D207/27

    摘要: The present invention discloses a process for the preparation of tetrahydro-N-[1-methyl-1-[3-(1-methylethenyl)phenyl]ethyl]-2-oxo-1-H-pyrrolo-1-carboxamide which is comprised of (1) reacting m-isopropenyl .alpha.,.alpha.-dimethylbenzylisocyanate with 2-pyrrolidinone at a temperature which is within the range of about 80.degree. C. to about 150.degree. C. to produce a molten reaction product; (2) mixing the molten reaction product with an aqueous emulsifier solution to form an aqueous medium, wherein the aqueous emulsifier solution contains from about 0.1 weight percent to about 10 weight percent emulsifier, and wherein the weight ratio of the molten reaction product to the emulsifier solution in the aqueous medium is within the range of 1:0.5 to 1:100; (3) allowing the tetrahydro-N-[1-methyl-1-[3-(1-methylethenyl)phenyl]ethyl]-2-oxo-1-H-pyrrolo-1-carboxamide in the aqueous medium to crystallize under conditions of agitation into the form of essentially spherical particles; and (4) recovering the tetrahydro-N-[1-methyl-1-[3-(1-methylethenyl)phenyl]ethyl]-2-oxo-1-H-pyrrolo-1-carboxamide particles from the aqueous medium by filtration.

    摘要翻译: 本发明公开了一种制备四氢-N- [1-甲基-1- [3-(1-甲基乙烯基)苯基]乙基] -2-氧代-1H-吡咯-1-羧酰胺的方法,其由 (1)在约80℃至约150℃的温度范围内使间 - 异丙烯基α,α-二甲基苄基异氰酸酯与2-吡咯烷酮反应以产生熔融反应产物; (2)将熔融反应产物与水性乳化剂溶液混合以形成水性介质,其中所述水性乳化剂溶液含有约0.1重量%至约10重量%的乳化剂,并且其中所述熔融反应产物与所述乳化剂的重量比 水介质中的溶液在1:0.5至1:100的范围内; (3)使水性介质中的四氢-N- [1-甲基-1- [3-(1-甲基乙烯基)苯基]乙基] -2-氧代-1H-吡咯-1-甲酰胺在条件下 搅拌成基本上是球形颗粒的形式; 和(4)通过过滤从水性介质中回收四氢-N- [1-甲基-1- [3-(1-甲基乙烯基)苯基]乙基] -2-氧代-1H-对甲基-1-甲酰胺颗粒。

    Intermediates for herbicidal phenylimidazolones
    33.
    发明授权
    Intermediates for herbicidal phenylimidazolones 失效
    用于除草苯并咪唑酮的中间体

    公开(公告)号:US5153316A

    公开(公告)日:1992-10-06

    申请号:US710223

    申请日:1991-06-04

    摘要: The present invention relates to novel phenylimidazolone compounds of the formula ##STR1## wherein A is a bond or C.dbd.T;R is --H, Alk, halo-Alk, cyano-Alk, or phenyl;R.sup.1 is --H, Alk, halogen, halo-Alk, --CN; or when A is a bond, R and R.sup.1 may together form a saturated, partially saturated, or unsaturated three to seven member carbon ring, and the ring may be substituted at any position independently with one or more Alk, --O--Alk, --CN, halogen, --OH, or .dbd.O groups;T is O or S;U is --H;V is --OH, or U and V may together form a bond;W is halogen or --CN, and when W is halogen, R.sup.1 is --CN;X is --H or halogen;Y is --H, halogen, --CN, Alk, --CF.sub.3, or --OCF.sub.3 ;Z is --H, halogen, --OH, Alk, aryloxy, C.sub.1-6 acyl, --NH.sub.2, --NO.sub.2, --NR.sup.2 SO.sub.2 R.sup.2, --N(SO.sub.2 R.sup.2).sub.2, --NR.sup.2 COR.sup.2, or B; or Y and Z may together form a saturated, partially saturated, or unsaturated three to seven member carbon ring, wherein each carbon may be independently replaced with N, O, or S, and the ring may be substituted at any position independently with one or more Alk, --O--Alk, .dbd.O, --SO.sub.2 R.sup.2, or C.sub.1-6 acyl groups;Alk is a straight, branched, or cyclic saturated or unsaturated C.sub.1-6 hydrocarbon group;B is --O--Alk, wherein each carbon may be independently replaced with one or more O or S groups, and optionally substituted with one or more halogen or C.sub.1-6 acyl groups; orthe agriculturally acceptable salts, amides, and esters thereof.The compounds are useful as herbicides.

    摘要翻译: 本发明涉及新的式(I)所示的苯基咪唑酮化合物,其中A是一个键或C = T; R是-H,Alk,卤代-Alk,氰基-Alk或苯基; R1是-H,Alk,卤素,卤素-Alk,-CN; 或当A为键时,R和R 1可以一起形成饱和的,部分饱和的或不饱和的三至七元碳环,并且该环可以在任何位置独立地被一个或多个Alk,-O-Alk, CN,卤素,-OH或= O基团; T为O或S; U是-H V是-OH,或U和V可以一起形成键; W为卤素或-CN,当W为卤素时,R 1为-CN; X是-H或卤素; Y是-H,卤素,-CN,Alk,-CF 3或-OCF 3; Z是-H,卤素,-OH,Alk,芳氧基,C1-6酰基,-NH2,-NO2,-NR2SO2R2,-N(SO2R2)2,-NR2COR2或B; 或Y和Z可以一起形成饱和的,部分饱和的或不饱和的三至七个碳环,其中每个碳可以独立地被N,O或S代替,并且该环可以在任何位置独立地被一个或多个 -O-Alk,= O,-SO2R2或C1-6酰基; Alk是直链,支链或环状的饱和或不饱和C 1-6烃基; B是-O-Alk,其中每个碳可以独立地被一个或多个O或S基团取代,并且任选被一个或多个卤素或C 1-6酰基取代; 或其农业上可接受的盐,酰胺和酯。 该化合物可用作除草剂。

    Process for recovering N-methylpyrrolidone by plural distillations
    34.
    发明授权
    Process for recovering N-methylpyrrolidone by plural distillations 失效
    通过多次蒸馏回收N-甲基吡咯烷酮的方法

    公开(公告)号:US4976825A

    公开(公告)日:1990-12-11

    申请号:US372221

    申请日:1989-06-23

    摘要: A process for recovering N-methylpyrrolidone contained in an N-methylpyrrolidone-containing liquid formed in the process for preparing a polyarylene thioether by the dehalogenosulfidation of a dihalogeno-aromatic compound and an alkali metal sulfide in the presence of N-methylpyrrolidone as the polymerization solvent, which comprises (a) subjecting the N-methylpyrrolidone-containing liquid to distillation to distill and recover the majority of contained N-methylpyrrolidone while recovering a distillation residue having such a flowability that flow transferring of the distillation residue is possible, and (b) supplying the distillation residue to an air-tight mixer for a highly-viscous fluid, which has a vent and is provided with a heater, to treat the distillation residue under the conditions of a temperature in the mixer of 190.degree. to 310.degree. C., a pressure in the mixer of 50 to 760 Torr and a residence time in the mixer of 5 minutes to 10 hours, thereby to distill N-methylpyrrolidone contained in the distillation residue through said vent, the distilled N-methylpyrrolidone being collected. According to this process, N-methylpyrrolidone can be recovered at a high recovery without deterioration of the N-methylpyrrolidone.

    摘要翻译: 在N-甲基吡咯烷酮作为聚合溶剂的存在下,通过二卤代芳族化合物和碱金属硫化物的脱卤硫化制备聚亚芳基硫醚中形成的含N-甲基吡咯烷酮的液体中所含的N-甲基吡咯烷酮的回收方法 其包括(a)使含有N-甲基吡咯烷酮的液体进行蒸馏以蒸馏并回收大部分所含的N-甲基吡咯烷酮,同时回收具有使蒸馏残余物的流动转移成为可能的流动性的蒸馏残余物,(b) 将蒸馏残余物供给用于具有排气口并具有加热器的高粘度流体的气密混合器,以在190至310℃的混合器中的温度条件下处理蒸馏残余物。 ,混合机中的压力为50〜760托,混合器中的停留时间为5分钟〜10小时,从而将N-甲基吡咯烷酮 通过所述通气口包含在蒸馏残余物中,收集蒸馏的N-甲基吡咯烷酮。 根据该方法,可以以高回收率回收N-甲基吡咯烷酮,而不会使N-甲基吡咯烷酮劣化。

    Process for preparing 2-pyrrolidone
    39.
    发明授权
    Process for preparing 2-pyrrolidone 失效
    制备2-吡咯烷酮的方法

    公开(公告)号:US4193925A

    公开(公告)日:1980-03-18

    申请号:US4474

    申请日:1979-01-18

    CPC分类号: C07D207/267 C07D201/08

    摘要: An improved process for the preparation of 2-pyrrolidone by the liquid phase hydrogenation of succinonitrile in the presence of a hydrogenation catalyst and ammonia, whereafter the resulting hydrogenation product is hydrolyzed with water. A hydrogenation catalyst in the form of a fixed bed is used, and a liquid phase of succinonitrile and liquid ammonia is passed over the catalyst at a temperature of between 50.degree. and 130.degree. C.

    摘要翻译: 通过在加氢催化剂和氨的存在下丁二腈的液相氢化制备2-吡咯烷酮的改进方法,之后所得的氢化产物用水水解。 使用固定床形式的氢化催化剂,在50-130℃的温度下使琥珀腈和液氨的液相通过催化剂。

    2-Methoxy-benzamide derivatives
    40.
    发明授权
    2-Methoxy-benzamide derivatives 失效
    2-甲氧基苯甲酰胺衍生物

    公开(公告)号:US4189495A

    公开(公告)日:1980-02-19

    申请号:US948556

    申请日:1978-10-04

    摘要: The invention provides novel 2-methoxy-benzamide derivatives of the formula: ##STR1## in which n is 1 or 2; R.sub.1 represents a cycloalkyl-alkyl radical of formula: ##STR2## a phenylalkyl radical of formula ##STR3## (in which m is an integer from 2 to 5, A is a linear or branched alkylene chain of 1 to 4 carbon atoms, and R.sub.4 is hydrogen, halogen, especially fluorine or chlorine, trifluoromethyl, or alkyl or alkoxy of 1 to 3 carbon atoms), CNCH.sub.2 --CH.sub.2 --, CH.tbd.C--CH.sub.2 --, ##STR4## R.sub.2 is either chlorine, SO.sub.2 R.sub.5 (in which R.sub.5 is alkyl of 1 to 4 carbon atoms), or SO.sub.2 NR.sub.6 R.sub.7 (in which, R.sub.6 and R.sub.7, which are identical or different, represent, independently of one another, hydrogen or alkyl of 1 to 4 carbon atoms); and R.sub.3 is hydrogen or alkyl of 1 to 4 carbon atoms; in the form of racemates or optical isomers, and their pharmaceutically acceptable acid addition salts, which are useful in the treatment of psychosomatic and pyschotic disturbances.

    摘要翻译: 本发明提供新的下式的2-甲氧基 - 苯甲酰胺衍生物:其中n为1或2; R 1表示下式的环烷基 - 烷基:其中m为2至5的整数,A为1至4个碳原子的直链或支链亚烷基链,R4为 是氢,卤素,特别是氟或氯,三氟甲基或1至3个碳原子的烷基或烷氧基),CNCH 2 -CH 2 - ,CH 3 CH 2 C-CH 2 - ,R 2是氯,SO 2 R 5(其中R 5是 1至4个碳原子的烷基)或SO 2 NR 6 R 7(其中,R 6和R 7相同或不同,彼此独立地表示氢或1至4个碳原子的烷基); 且R 3为氢或1至4个碳原子的烷基; 以外消旋物或旋光异构体的形式,及其药学上可接受的酸加成盐,其可用于治疗心身和心肌紊乱。