Butyrolactone-preparation process
    1.
    发明授权
    Butyrolactone-preparation process 失效
    丁内酯制备工艺

    公开(公告)号:US5962700A

    公开(公告)日:1999-10-05

    申请号:US11607

    申请日:1998-02-12

    CPC分类号: C07D315/00

    摘要: A process for the preparation of butyrolactones of the formula I ##STR1## where the substituents R.sup.1 and R.sup.2 are hydrogen, alkyl or hydroxyalkyl groups, or aryl and trialkylsilyl groups, if appropriate carrying inert: substituents, is described in which an alkyne of the formula IIR.sup.1 --C.tbd.C--R.sup.2 IIwhere the substituents have the meanings indicated above, is reacted under reducing conditions at elevated pressure and elevated temperature with carbon monoxide CO and hydrogen in the presence of a transition metal catalyst or with carbon monoxide and water in the presence of a transition metal catalyst.

    摘要翻译: PCT No.PCT / EP96 / 03472 Sec。 371日期1998年2月12日 102(e)日期1998年2月12日PCT 1996年8月6日PCT PCT。 公开号WO97 / 07111 日期1997年2月27日描述了制备式I的丁内酯的方法,其中取代基R 1和R 2是氢,烷基或羟基烷基,或芳基和三烷基甲硅烷基,如果适用的话带有惰性:取代基,其中描述了炔 其中取代基具有上述含义的式IIR1-C 3BOND C-R2II在还原条件下在升高的压力和升高的温度下与一氧化碳CO和氢在过渡金属催化剂或一氧化碳和水的存在下反应 过渡金属催化剂的存在。

    Preparation of acetylenic compounds
    2.
    发明授权
    Preparation of acetylenic compounds 失效
    制备炔属化合物

    公开(公告)号:US5723678A

    公开(公告)日:1998-03-03

    申请号:US631095

    申请日:1996-04-12

    摘要: Acetylenic compounds of the general formula I R.sup.1 --C.tbd.C--CHR.sup.2 --CH.sub.2 --X I where the substituents have the following meanings: R.sup.1 hydrogen, unsubstituted or substituted alkyl or aryl; R.sup.2 hydrogen or C.sub.1 -C.sub.4 -alkyl; X CN; COOR.sup.3 where R.sup.3 is C.sub.1 -C.sub.6 -alkyl or benzyl; C(O)R.sup.4 where R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl, are prepared by reacting an alkyne of the formula II R.sup.1 --C.tbd.C--H II with an .alpha.,.beta.-unsaturated compound of the formula III R.sup.2 HC.dbd.CH--X III in the presence of a homogeneous rhodium-phosphine catalyst, in a process wherein a catalyst with a bidentate or tridentate phosphine compound is used.

    摘要翻译: 通式ⅠR1-C3BOC C-CHR2-CH2-XI的乙炔化合物,其中取代基具有下列含义:R 1氢,未取代或取代的烷基或芳基; R2氢或C1-C4-烷基; X CN; COOR 3,其中R 3是C 1 -C 6 - 烷基或苄基; 其中R 4是氢或C 1 -C 4 - 烷基的C(O)R 4是通过使式IIR 1 -C 3 3BOND C-HII的炔与式III的α,β-不饱和化合物反应来制备的。R2HC = CH-XIII 在均相铑 - 膦催化剂的存在下,在其中使用具有二齿或三齿膦化合物的催化剂的方法中。

    Preparation of N-alkenyl carboxamides
    3.
    发明授权
    Preparation of N-alkenyl carboxamides 失效
    N-烯基甲酰胺的制备

    公开(公告)号:US5710331A

    公开(公告)日:1998-01-20

    申请号:US548724

    申请日:1995-10-26

    CPC分类号: C07C231/08

    摘要: Preparation of N-alkenyl carboxamides of the general formula I ##STR1## in which the radicals R.sup.1 to R.sup.4 independently stand for hydrogen or for aliphatic, cycloaliphatic, or aromatic radicals, which optionally carry inert substituents, wherein an amide of the general formula II ##STR2## in which the radical R.sup.1 has the above meaning, and a carbonyl compound of the general formula III ##STR3## in which the radicals R.sup.2 to R.sup.4 have the above meanings, are caused to react in the presence of a base, said reaction being either a) carried out in the presence of a carboxylic acid derivative of the general formula IV ##STR4## in which the radical R.sup.5 stands for hydrogen or an alkyl or aryl group and X is a halogen, alkoxy, or carboxylalkyl radical, or b) continued in the presence of a carboxylic acid derivative of the formula IV, and the amide of the formula I is isolated.

    摘要翻译: 其中基团R 1至R 4独立地代表氢或用于任选地带有惰性取代基的脂族,脂环族或芳族基团的通式I(I)的N-烯基甲酰胺的制备,其中一般的酰胺 其中基团R 1具有上述含义的式II(II)和其中基团R 2至R 4具有上述含义的通式III(III)的羰基化合物进行反应 碱的存在,所述反应是a)在通式IV(IV)的羧酸衍生物存在下进行,其中基团R 5代表氢或烷基或芳基,X是 卤素,烷氧基或羧基烷基,或b)在式Ⅳ的羧酸衍生物存在下连续进行,分离式Ⅰ的酰胺。

    Preparation of n-vinyllactams
    4.
    发明授权
    Preparation of n-vinyllactams 失效
    n-乙烯基内酰胺的制备

    公开(公告)号:US5670639A

    公开(公告)日:1997-09-23

    申请号:US614682

    申请日:1996-03-13

    摘要: N-Vinyllactams of the general formula I ##STR1## where n is from 1 to 3, are prepared by a process which comprises reaction of a lactam of the general formula II ##STR2## where n is from 1 to 3, with from 10 to 90 percent by weight of an aqueous alkali metal hydroxide solution with distillation at from 50.degree. to 250.degree. C. and from 1 to 100 mbar and with a residence time of from 0.1 to 5 hours and subsequent reaction with acetylene at from 60.degree. to 250.degree. C. and from 1 to 100 bar.

    摘要翻译: 通过包括将通式II的内酰胺(II)的反应的方法制备,其中n为1至3的通式I(I)的N-乙烯基内酰胺,其中n为1至3,其中n为1至 3,以10至90重量%的碱金属氢氧化物水溶液在50至250℃和1至100毫巴蒸馏下进行,停留时间为0.1至5小时,随后与乙炔反应 在60℃至250℃和1至100巴之间。

    Preparation of N-akenylcarbamic esters
    5.
    发明授权
    Preparation of N-akenylcarbamic esters 失效
    N-烯基氨基甲酸酯的制备

    公开(公告)号:US5639890A

    公开(公告)日:1997-06-17

    申请号:US705682

    申请日:1996-08-29

    CPC分类号: C07C269/06 C07D263/22

    摘要: N-Alkenylcarbamic esters of the general formula I ##STR1## where at least one of the R.sup.1 radicals is hydrogen and the second R.sup.1 radical is hydrogen or C.sub.1 -C.sub.4 --alkyl, the R.sup.2 radical is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be linked to the R.sup.3 radical to form a 2- to 10-membered bridge, and the R.sup.3 radical is an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the abovementioned meaning, and R.sup.4 is hydrogen, an aliphatic, cycloaliphatic or aromatic radical, and a carbamic ester of the general formula III ##STR3## where the R.sup.2 and R.sup.3 radicals have the abovementioned meanings, are prepared by reacting the starting compounds in the presence of a base.

    摘要翻译: 其中至少一个R 1基团是氢且第二个R 1基团是氢或C 1 -C 4 - 烷基,R 2基团是脂族,环脂族,芳脂族或芳族基团的通式I的N-烯丙基氨基甲酸酯 其可以连接到R 3基团以形成2-至10-元桥,并且R 3基团是脂肪族,脂环族或芳族基团,其通式II的烯基羧酸酯其中R1具有上述 并且R 4是氢,脂族,脂环族或芳族基团,和通式III的氨基甲酸酯,其中R 2和R 3基团具有上述含义,是通过使起始化合物在 一个基地

    Ethylene-based copolymers and their use as flow improvers in mineral oil
middle distillates
    8.
    发明授权
    Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates 失效
    乙烯基共聚物及其在矿物油中间馏分中作为流动改进剂的用途

    公开(公告)号:US5747616A

    公开(公告)日:1998-05-05

    申请号:US869971

    申请日:1997-06-05

    摘要: Ethylene-based copolymers which are suitable as flow improvers for mineral oil middle distillates are composed of a) from 50 to 94% by weight of ethylene, b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene, and d) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c), copolymers in which monomer b) is vinyl acetate and which have a number average molecular weight of from 5000 to 50,000 being excluded, or are composed of a') from 50 to 95.5% by weight of ethylene, b') from 4 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c') from 0.5 to 20% by weight of one or more vinylimidazoles of the general formula II ##STR2## where R.sup.4, R.sup.5 and R.sup.6 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, or from 0.5 to 20% by weight of one or more aminoalkyl vinyl ethers of the general formula III R.sup.7 R.sup.8 N--A.sup.2 --O--CR.sup.9 .dbd.CR.sup.10 R.sup.11(III) where R.sup.7 and R.sup.8 are each C.sub.1 -C.sub.6 -alkyl, R.sup.9, R.sup.10 and R.sup.11 are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.2 is C.sub.2 -C.sub.6 -alkylene, and d') from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a') to c').

    摘要翻译: 适用于矿物油中间馏分的流动改进剂的乙烯基共聚物由以下组成:a)50-94重量%的乙烯,b)3-30重量%的一种或多种C2-C6- 一元羧酸,c)3至20重量%的一种或多种通式I(I)的氨基烷基丙烯酸酯,其中R 1是氢或甲基,R 2和R 3可以相同或不同,各自为氢或C1 -C6-烷基和A1是直链或支链C 2 -C 10 - 亚烷基,和d)0至10重量%的可与单体a)至c)共聚的一种或多种单体,其中单体b )为乙酸乙烯酯,其数均分子量为5000〜50,000,或者由以下组成:a)50〜95.5重量%的乙烯,b'),4〜30重量%的一种或多种 更多的C2-C6-一元羧酸的乙烯基酯,c')0.5至20重量%的一种或多种通式II的乙烯基咪唑(II)w 这里R 4,R 5和R 6可以相同或不同,各自为氢或C 1 -C 6烷基,或0.5至20重量%的一种或多种通式IIIR7R8N-A2-O-CR9 = CR10R11的氨基烷基乙烯基醚 (III)其中R 7和R 8各自为C 1 -C 6烷基,R 9,R 10和R 11各自为氢或C 1 -C 6烷基,且A 2为C 2 -C 6亚烷基,d')为0至10重量% 一种或多种可与单体a')至c')共聚的单体。

    Preparation of N-alkenylureas
    9.
    发明授权
    Preparation of N-alkenylureas 失效
    N-烯基脲的制备

    公开(公告)号:US5739398A

    公开(公告)日:1998-04-14

    申请号:US675585

    申请日:1996-07-03

    CPC分类号: C07C273/1863

    摘要: A process for preparing N-alkenylureas of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcyc1oalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkyl, and R.sup.3 and R.sup.4 are hydrogen or C.sub.1 - to C.sub.8 -alkyl, by reaction of ureas of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, with an alkenyl carboxylate of the general formula III ##STR3## where R.sup.3 and R.sup.4 have the abovementioned meanings and R.sup.5 is hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcycloalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl, C.sub.7 - to C.sub.20 -aralkyl, or aryl or C.sub.7 - to C.sub.20 -aralkyl which is mono- to trisubstituted by C.sub.1 - to C.sub.8 -alkyl, at from 0.degree. to 180.degree. C. and from 0.01 to 10 bar, by carrying out the reaction in the presence of a base is described.

    摘要翻译: 制备通式I(I)的N-烯基脲的方法,其中R 1和R 2是氢,C 1至C 40烷基,C 2至C 40链烯基,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,或被C 1 - 单取代成五取代的芳基,C 7 -C 20 - 烷基芳基或C 7 -C 20 - 芳烷基 -C 8 - 烷基,C 1 -C 8 - 烷氧基或卤素,一起是未被取代或被C 1〜C 8 - 烷基单取代或六取代的C 2〜C 10 - 亚烷基链,R 3和R 4是氢或C 1〜 通过其中R1和R2具有上述含义的通式II的脲(II)与通式III的烯基羧酸酯(III)的反应,其中R 3和R 4具有 R 5是氢,C 1 -C 40 - 烷基,C 3 -C 20 - 环烷基,C 4 -C 20 - 烷基环烷基,芳基,C 7 -C 20烷基芳基,C 7 -C 20 - 芳烷基或芳基或C 7 - 被单 - 三取代的C 20 - 芳烷基 描述了通过在碱的存在下进行反应的0至180℃和0.01至10巴的C 1 -C 8烷基。

    Preparation of N-alkenylcarboxamides
    10.
    发明授权
    Preparation of N-alkenylcarboxamides 失效
    N-链烯基酰胺的制备

    公开(公告)号:US5654478A

    公开(公告)日:1997-08-05

    申请号:US513739

    申请日:1995-08-10

    CPC分类号: C07C231/08

    摘要: N-Alkenylcarboxamides of the formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen, the second radical R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, are prepared by reacting an alkenyl carboxylate of the formula II ##STR2## where R.sup.1 has the abovementioned meanings and R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where R.sup.2 has the abovementioned meanings, in the presence of a base.

    摘要翻译: 其中至少一个基团R 1为氢,第二基团R 1为氢或C 1 -C 4 - 烷基且R 2为氢或脂族,脂环族或芳族基团的式I的N-烯基甲酰胺通过 使式II其中R 1具有上述含义并且R 3是氢或脂族,脂环族或芳族基团的式II的烯基羧酸酯和具有上述含义的通式III的羧酰胺反应, 在一个基地的存在。