Method for producing 1,1,1,5,5,5-hexafluoroacetylacetone
    4.
    发明授权
    Method for producing 1,1,1,5,5,5-hexafluoroacetylacetone 有权
    生产1,1,1,5,5,5-六氟乙酰丙酮的方法

    公开(公告)号:US09409843B2

    公开(公告)日:2016-08-09

    申请号:US14783706

    申请日:2014-04-02

    摘要: A production method of a 1,1,1,5,5,5-hexafluoroacetylacetone hydrate according to the present invention includes: step 1: step 1: obtaining a reaction mixture that contains at least 1,1,1,5,5,5-hexafluoro-3-pentyn-2-one or an equivalent thereof by reaction of a 3,3,3-trifluoropropynyl metal with a trifluoroacetate; and step 2: forming the 1,1,1,5,5,5-hexafluoroacetylacetone hydrate by contact of the reaction mixture obtained in the step 1 with water in the presence of an acid. It is possible to produce 1,1,1,5,5,5-hexafluoroacetylacetone by dehydration of the thus-formed hydrate. Thus, the production method according to the present invention is industrially applicable.

    摘要翻译: 根据本发明的1,1,1,5,5,5-六氟乙酰丙酮水合物的制备方法包括:步骤1:步骤1:获得含有至少1,1,1,5,5, 通过3,3,3-三氟丙炔基金属与三氟乙酸盐的反应可以得到5-六氟-3-戊炔-2-酮或其等同物; 和步骤2:通过在步骤1中获得的反应混合物与水在酸的存在下接触形成1,1,1,5,5,5-六氟乙酰丙酮水合物。 可以通过如此形成的水合物的脱水制备1,1,1,5,5,5-六氟乙酰丙酮。 因此,本发明的制造方法在工业上是适用的。

    Method for Producing 1,1,1,5,5,5-Hexafluoroacetylacetone
    5.
    发明申请
    Method for Producing 1,1,1,5,5,5-Hexafluoroacetylacetone 有权
    生产1,1,1,5,5,5-六氟乙酰丙酮的方法

    公开(公告)号:US20160075626A1

    公开(公告)日:2016-03-17

    申请号:US14783706

    申请日:2014-04-02

    摘要: A production method of a 1,1,1,5,5,5-hexafluoroacetylacetone hydrate according to the present invention includes: step 1: step 1: obtaining a reaction mixture that contains at least 1,1,1,5,5,5-hexafluoro-3-pentyn-2-one or an equivalent thereof by reaction of a 3,3,3-trifluoropropynyl metal with a trifluoroacetate; and step 2: forming the 1,1,1,5,5,5-hexafluoroacetylacetone hydrate by contact of the reaction mixture obtained in the step 1 with water in the presence of an acid. It is possible to produce 1,1,1,5,5,5-hexafluoroacetylacetone by dehydration of the thus-formed hydrate. Thus, the production method according to the present invention is industrially applicable.

    摘要翻译: 根据本发明的1,1,1,5,5,5-六氟乙酰丙酮水合物的制备方法包括:步骤1:步骤1:获得含有至少1,1,1,5,5, 通过3,3,3-三氟丙炔基金属与三氟乙酸盐的反应可以得到5-六氟-3-戊炔-2-酮或其等同物; 和步骤2:通过在步骤1中获得的反应混合物与水在酸的存在下接触形成1,1,1,5,5,5-六氟乙酰丙酮水合物。 可以通过如此形成的水合物的脱水制备1,1,1,5,5,5-六氟乙酰丙酮。 因此,本发明的制造方法在工业上是适用的。

    Process for preparing a .beta.-(fluoroalkyl or
fluoroalkenyl)-.beta.-hydroxyalkyne
    10.
    发明授权
    Process for preparing a .beta.-(fluoroalkyl or fluoroalkenyl)-.beta.-hydroxyalkyne 失效
    制备β-(氟烷基或氟烯基)-β-羟基亚氨基的方法

    公开(公告)号:US4532020A

    公开(公告)日:1985-07-30

    申请号:US586943

    申请日:1984-03-07

    摘要: A process for preparing a .beta.-(fluoroalkyl or fluoroalkenyl)-.beta.-hydroxyalkyne represented by the formula ##STR1## wherein R.sub.f represents a fluoroalkyl or fluoroalkenyl group and R represents an aliphatic or aromatic group, comprising reacting an alkyne represented by the formulaR--C.tbd.CH (II)wherein R is the same as defined above with a fluorine containing aldehyde represented by the formulaR.sub.f CHO (III)wherein R.sub.f is the same as defined above in the presence of catalyst under ultrasonic irradiation.A process for preparing an .alpha.-(fluoroalkyl or fluoroalkenyl)allyl alcohol represented by the formula ##STR2## wherein R.sub.f represents a fluoroalkyl or fluoroalkenyl group, R represents an aliphatic or aromatic group and R' represents a hydrogen atom or an aliphatic group, comprising (1) reacting a .beta.-(fluoroalkyl or fluoroalkenyl)-.beta.-hydroxyalkyne represented by the formula ##STR3## wherein R.sub.f and R are respectively the same as defined above with a isobutylmagnesium halide represented by the formulai--C.sub.4 H.sub.9 MgXwherein X represents a halogen atom, and (2) reacting the reaction mixture thus obtained above with a halide represented by the formulaR'X'wherein X' represents a halogen atom and R' is the same as defined above.

    摘要翻译: 一种制备由式(I)表示的β-(氟代烷基或氟烯基)-β-羟基亚油酸的方法,其中Rf代表氟烷基或氟烯基,R代表脂族或芳族基团,包括使由 其中R与上述定义相同的式RC 3BOND CH(II)与式RfCHO(III)表示的含氟醛反应其中Rf在超声波照射下在催化剂存在下与上述定义相同。 由式(IV)表示的α-(氟代烷基或氟烯基)烯丙醇的制备方法,其中Rf代表氟代烷基或氟代烯基,R代表脂族或芳基,R'代表氢原子或脂族 基团,其包含(1)使式(I)表示的β-(氟代烷基或氟代烯基)-β-羟基亚氨基酯反应,其中Rf和R分别与上述定义相同,用式i- C4H9MgX其中X表示卤素原子,和(2)使由上述得到的反应混合物与式R'X'表示的卤化物反应,其中X'表示卤素原子,R'与上述定义相同。