会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Process for preparing a .beta.-(fluoroalkyl or
fluoroalkenyl)-.beta.-hydroxyalkyne
    • 制备β-(氟烷基或氟烯基)-β-羟基亚氨基的方法
    • US4532020A
    • 1985-07-30
    • US586943
    • 1984-03-07
    • Nobuo IshikawaTomoya Kitazume
    • Nobuo IshikawaTomoya Kitazume
    • C07C29/44C07C33/42C07C33/48B01J19/10
    • C07C29/44C07C33/42C07C33/426C07C33/483C07B2200/09
    • 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.
    • 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。
    • 5. 发明授权
    • Alkylated or alkenylated malonic acid or its derivatives having a
fluorine
    • 烷基化或链烯基化的丙二酸或其具有氟的衍生物
    • US4578503A
    • 1986-03-25
    • US528134
    • 1983-08-31
    • Nobuo IshikawaTakeshi NakaiYoshio Inouye
    • Nobuo IshikawaTakeshi NakaiYoshio Inouye
    • C07C69/65C07C69/716C07C67/317C07C57/36C07C69/612
    • C07C69/65C07C69/716
    • An alkylated or alkenylated malonic ester having a fluorine containing aliphatic substituent and derivatives thereof as expressed by the following general formula: ##STR1## where R.sub.f is a fluorine containing aliphatic group, R is an aliphatic group, or hydrogen or alkali metal atom, and R' is an unsubstituted or substituted aliphatic group.And a method to trap the enolate ion of a malonic ester having a fluorine containing aliphatic substituent as expressed by the following general formula,R.sub.f CH(CO.sub.2 R).sub.2where R.sub.f is a fluorine containing aliphatic group and R is an aliphatic group, hydrogen or alkali metal atom, wherein said malonic ester is converted under the action of a weaker base and/or fluoride ion to a fluorine containing enolate ion to be trapped as expressed by the following general formula:R.sub.f C.sup..crclbar. (CO.sub.2 R).sub.2where R.sub.f and R are the same as above.
    • 具有含氟脂肪族取代基的烷基化或链烯基化丙二酸酯及其衍生物,由以下通式表示:其中Rf是含氟脂族基团,R是脂族基团或氢或碱金属原子,R '是未取代或取代的脂族基团。 和捕获具有含氟脂肪族取代基的丙二酸酯的烯醇化物离子的方法,其由以下通式表示:RfCH(CO2R)2,其中Rf是含氟脂族基团,R是脂族基团,氢或碱金属 原子,其中所述丙二酸酯在较弱碱和/或氟离子的作用下转化为要被捕获的含氟烯醇化物离子,如以下通式表示:RfC( - )(CO 2 R)2,其中Rf和R为 与上述相同。
    • 6. 发明授权
    • Fluorinated allylic compounds and a process for preparing these compounds
    • 氟化烯丙基化合物和制备这些化合物的方法
    • US4558148A
    • 1985-12-10
    • US635682
    • 1984-07-30
    • Nobuo IshikawaTomoya Kitazume
    • Nobuo IshikawaTomoya Kitazume
    • C07C29/40C07C33/42C07C33/48C07F7/08C07F7/18C07C33/46
    • C07F7/0818C07C29/40C07C33/423C07C33/483
    • There are described fluorinated allylic compounds as expressed by the following general formula ##STR1## wherein R.sub.f is a fluorinated aliphatic group and R is a group expressed by a general formula ##STR2## wherein R.sup.1 is an aliphatic or aromatic hydrocarbon group and R.sup.2 and R.sup.3 are the same group or different groups as selected among hydrogen atom, aliphatic and aromatic hydrocarbon groups, and heterocyclic groups. Further, a process of preparing fluorinated allylic compounds is described which includes a process step wherein a silane metal halide as expressed by a general formula(R.sup.1).sub.3 SiCH.sub.2 MX,wherein R.sup.1 is either an aliphatic or aromatic hydrocarbon group, M is an element that belongs to the group IIa, IIIb, or VIIb of the periodic table, and X is a halogen atom, is reacted with a fluorinated carboxylic acid ester as expressed by a general formulaR.sub.f COOR',wherein R.sub.f is a fluorinated aliphatic group and R' is either an aliphatic or aromatic hydrocarbon group, to form a fluorinated carbinol as expressed by a general formula ##STR3## wherein R.sup.1 and R.sub.f are as defined above, and further a molecule of (R.sup.1).sub.3 SiOH, where R.sup.1 is as defined above, is eliminated from this carbinol to produce a fluorinated allylsilane as expressed by a general formula ##STR4## wherein R.sup.1 and R.sub.f are as defined above.
    • 描述了由以下通式表示的氟化烯丙基化合物,其中Rf是氟化脂族基团,R是由通式表示的基团,其中R 1是脂族或芳族烃基,R 2和R 3是 相同的基团或选自氢原子,脂族和芳族烃基和杂环基中的不同基团。 此外,描述了制备氟化烯丙基化合物的方法,其包括其中由通式(R1)3SiCH2MX表示的硅烷金属卤化物,其中R 1是脂族或芳族烃基,M是属于 元素周期表IIa,IIIb或VIIb族,X为卤原子,与通式RfCOOR'表示的含氟羧酸酯反应,其中Rf为氟化脂族基,R'为 脂肪族或芳香族烃基,以形成通式(Ⅰa)所表示的氟化甲醇,其中R 1和R f如上所定义,并且另外分子式(R 1)3 SiOH(其中R 1如上定义)从该 甲醇以产生由通式“IMAGE”表示的氟化烯丙基硅烷,其中R 1和R f如上所定义。