Preparation of alkynediols
    2.
    发明授权
    Preparation of alkynediols 失效
    炔二醇的制备

    公开(公告)号:US06369282B1

    公开(公告)日:2002-04-09

    申请号:US09577127

    申请日:2000-05-24

    IPC分类号: C07C3118

    摘要: The process for preparing alkynediols of the formula (I) R1R2C(OH)—C≡C—C(OH)R1R2  (I) where R1, R2 are each independently H, or a C1-20-hydrocarbon radical which may be substituted by one or more C1-6-alkyls and/or be interrupted by nonadjacent heteroatoms and/or contain C—C double or triple bonds, by reacting compounds of the formula (II) R1—C(═O)—R2  (II) with acetylene in a polar aprotic solvent is carried out in the presence of basic alkali metal salts as catalysts.

    摘要翻译: 制备式(I)的炔二醇的方法,其中R 1,R 2各自独立地为H,或可被一个或多个C 1-6 - 烷基取代和/或被不相邻的杂原子中断的C 1-20烃基和/ 或含有CC双键或三键,通过使式(II)化合物与极性非质子溶剂中的乙炔反应,在碱性碱金属盐作为催化剂的存在下进行。

    Method for producing 2-alkynoic acid esters
    5.
    发明授权
    Method for producing 2-alkynoic acid esters 失效
    2-炔酸酯的制备方法

    公开(公告)号:US6153786A

    公开(公告)日:2000-11-28

    申请号:US402893

    申请日:1999-10-13

    CPC分类号: C07C67/00 C07C67/36

    摘要: A process for preparing 2-alkynoic esters of the general formula (I),R.sup.1 --O--CO--C.tbd.C--R.sup.2 (I)in which R.sup.1 and R.sup.2 independently are C.sub.1-16 -alkyl, C.sub.6-12 -aryl, C.sub.7-12 -aralkyl or C.sub.7-12 -alkylaryl radicals, and R.sup.2 can also be hydrogen,by reacting a chloroformate of the general formula (II),R.sup.1 --O--CO--Cl (II)with an alkyne of the general formula (III),R.sup.2 --C.tbd.C--H (III)is carried out in the presence of a Pt and/or Pd complex which has phosphine ligands and/or phosphite ligands as catalyst.

    摘要翻译: PCT No.PCT / EP98 / 02021 Sec。 371 1999年10月13日第 102(e)1999年10月13日PCT 1998年4月7日提交PCT公布。 公开号WO98 / 46555 日期:1998年10月22日制备通式(I)的2-炔炔酯的方法,其中R 1和R 2独立地为C 1-6 - 烷基,C 6 -C 12 - 12芳基,C7-12芳烷基或C7-12烷基芳基,R2也可以是氢,通式(II)的氯甲酸酯,R1-O-CO-Cl(Ⅱ)与 在具有膦配体和/或亚磷酸酯配体作为催化剂的Pt和/或Pd络合物的存在下,通式(III),R2-C 3BOND CH(III)进行。

    Butyrolactone-preparation process
    6.
    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。

    Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers
    7.
    发明授权
    Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers 失效
    O-和N-乙烯基化合物的稳定组合物和使用铵盐作为稳定剂

    公开(公告)号:US06649717B1

    公开(公告)日:2003-11-18

    申请号:US09913535

    申请日:2001-08-15

    IPC分类号: C08F200

    摘要: The invention encompasses a composition of vinyl compounds, comprising a) at least one polymerizable compound which has at least one O-vinyl group or one N-vinyl group, and b) at least one ammonium salt of the formula (I) where R is NH2, O− NH4+, C1-C18-alkyl, C6-C18-cycloalkyl, or C7-C18-alkylcycloalkyl. The invention further relates to the use of an ammonium salt of the formula (I) as additive to polymerizable compounds which have at least one O-vinyl group or one N-vinyl group, and also to a process for inhibiting premature polymerization of compositions which comprise polymerizable compounds which have at least one O-vinyl group or one N-vinyl group, which encompasses adding to the compositions an ammonium salt of the formula (I).

    摘要翻译: 本发明包括乙烯基化合物的组合物,其包含a)至少一种具有至少一个O-乙烯基或一个N-乙烯基的可聚合化合物,和b)至少一种式(I)的铵盐,其中R是NH 2, O-NH 4 +,C 1 -C 18 - 烷基,C 6 -C 18 - 环烷基或C 7 -C 18烷基环烷基。本发明还涉及式(I)的铵盐作为可聚合化合物的添加剂的用途 其具有至少一个O-乙烯基或一个N-乙烯基,并且还涉及包含具有至少一个O-乙烯基或一个N-乙烯基的可聚合化合物的组合物过早聚合的方法,其包括加入 所述组合物为式(I)的铵盐。

    Preparation of vinylsilanes
    8.
    发明授权
    Preparation of vinylsilanes 失效
    乙烯基硅烷的制备

    公开(公告)号:US06414176B2

    公开(公告)日:2002-07-02

    申请号:US09901891

    申请日:2001-07-11

    IPC分类号: C07F708

    CPC分类号: C07F7/1876 C07F7/14

    摘要: In the process for the preparation of vinylsilanes by reacting acetylenic hydrocarbons with silanes which have at least one silicon-bonded hydrogen atom in the liquid phase in the presence of a catalyst, the silane is added to the liquid phase. In particular, the reaction is carried out at superatmospheric pressure, and the spent acetylenic hydrocarbon is replenished during the reaction while maintaining a pressure which is constant during the entire reaction.

    摘要翻译: 在催化剂存在下,乙烯基硅烷通过在液相中具有至少一个与硅键合的氢原子的硅烷反应制备乙烯基硅烷的方法中,将硅烷加入到液相中。 特别地,反应在超大气压下进行,并且在反应期间补充废乙炔烃,同时保持在整个反应期间恒定的压力。

    Method for preparing a catalyst and catalysts prepared accordingly
    9.
    发明授权
    Method for preparing a catalyst and catalysts prepared accordingly 失效
    制备相应的催化剂和催化剂的方法

    公开(公告)号:US06350714B1

    公开(公告)日:2002-02-26

    申请号:US09555603

    申请日:2000-05-31

    IPC分类号: B01J3100

    摘要: The present invention relates to a process for preparing a catalyst by activating a catalytic composition which comprises a) at least one metal of group IB or IIB or a compound thereof, b) where appropriate a carrier which comprises treating the composition with an alkyne of the general formula I R1—C≡C—R2  (I) in which R1 is alkyl, cycloalkyl, aryl, hydroxyalkyl, haloalkyl, alkoxy or alkoxyalkyl, R2 is a hydrogen atom, alkyl, cycloalkyl or aryl, and a carbonyl compound of the general formula II in which R3 and R4 are, independently of one another, a hydrogen atom, alkyl, haloalkyl, cycloalkyl or aryl, to catalysts obtainable by this process, and to alkynylations and aminoalkylations employing these catalysts.

    摘要翻译: 本发明涉及通过活化催化组合物来制备催化剂的方法,所述催化组合物包含:a)至少一种IB或IIB族金属或其化合物,b)适当的载体包括用通式 其中R 1是烷基,环烷基,芳基,羟烷基,卤代烷基,烷氧基或烷氧基烷基,R 2是氢原子,烷基,环烷基或芳基,和通式IIin的羰基化合物,其中R 3和R 4彼此独立地是氢 原子,烷基,卤代烷基,环烷基或芳基,可通过该方法获得的催化剂,以及使用这些催化剂的炔基化和氨基烷基化。

    Preparation of vinylphosphonic acid compounds
    10.
    发明授权
    Preparation of vinylphosphonic acid compounds 失效
    乙烯基膦酸化合物的制备

    公开(公告)号:US06479687B2

    公开(公告)日:2002-11-12

    申请号:US09803146

    申请日:2001-03-12

    IPC分类号: C07F940

    CPC分类号: C07F9/4015 C07F9/3826

    摘要: A process for preparing vinylphosphonic acid compounds of the formula (I) where R1 and R2 are, independently, H, C1-16-alkyl, C6-12-aryl, C7-12-alkaryl or C7-12-aralkyl, it being possible for the organic radicals to be substituted by one or more halogen atoms, hydroxyl, acyl or acetoxy groups, by reacting phosphorous acid compounds of the formula (II) with acetylene in the presence of a Pd(O) complexe or Pt(O) complex as catalyst.

    摘要翻译: 制备式(I)的乙烯基膦酸化合物的方法,其中R 1和R 2独立地为H,C 1-6 - 烷基,C 6-12 - 芳基,C 7-12 - 烷芳基或C 7-12 - 芳烷基,这是可能的 通过在Pd(O)络合物或Pt(O)络合物的存在下使式(II)的亚磷酸化合物与乙炔反应,使有机基团被一个或多个卤素原子,羟基,酰基或乙酰氧基取代 作为催化剂。