Impregnating agent and its use
    3.
    发明授权
    Impregnating agent and its use 失效
    浸渍剂及其用途

    公开(公告)号:US4294715A

    公开(公告)日:1981-10-13

    申请号:US83876

    申请日:1979-10-11

    CPC分类号: H01G4/221 H01B3/20 H01B3/22

    摘要: A dielectric composition comprising a mixture of monoisopropylated diphenyls and polyisopropylated diphenyls, especially a mixture of 30 to 60 parts by weight of monoisopropylated diphenyls and 70 to 40 parts by weight of polyisopropylated diphenyls, the polyisopropylated diphenyls preferably being made up in turn of 60 to 85 parts by weight of diisopropylated diphenyls, 10 to 35 parts by weight of triisopropylated diphenyls and 0.5 to 5 parts by weight of tetraisopropylated diphenyls, these latter amounts being based upon the total amount of the polyisopropylated diphenyls.

    摘要翻译: 一种包含单异丙基化二苯基醚和聚异丙基化二苯基醚的混合物的电介质组合物,特别是30至60重量份单异丙基化二苯基醚和70至40重量份聚异丙基化二苯基酯的混合物,该聚异丙基化二苯基优选依次为60至85 二异丙基化二苯基酯重量份,10〜35重量份三异丙基化二苯基醚和0.5〜5重量份四异丙基化二苯基醚,后者为聚异丙基化二苯基的总量。

    Process for the preparation of 3-phenoxy-benzaldehydes
    5.
    发明授权
    Process for the preparation of 3-phenoxy-benzaldehydes 失效
    3-苯氧基 - 苯甲醛的制备方法

    公开(公告)号:US4275241A

    公开(公告)日:1981-06-23

    申请号:US89010

    申请日:1979-10-29

    摘要: A process for the preparation of a-phenoxy-benzaldehyde which comprises contacting the 3-phenoxy-benzyl alcohol of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and represent hydrogen or halogen with an aqueous solution of a dichromate in the presence of aqueous sulphuric acid at a temperature in the range of 50.degree. to 125.degree. C. The 3-phenoxy-benzaldehyde can be in a mixture of other organic compounds such as obtained by hydrolyzing a 3-phenoxy toluene chlorinated in the side chain at a temperature of 140.degree.-210.degree. C. under pressure.

    摘要翻译: 一种制备苯氧基苯甲醛的方法,该方法包括使下式的“3-苯氧基苯甲醇”与其中R1和R2相同或不同并且在存在下与重铬酸盐的水溶液代表氢或卤素 的硫酸水溶液在50至125℃的温度范围内。3-苯氧基 - 苯甲醛可以是其它有机化合物的混合物,例如通过水解在侧链中氯化的3-苯氧基甲苯, 温度为140°-210℃。

    1,1,3,3-Substituted hydroxyindanes
    6.
    发明授权
    1,1,3,3-Substituted hydroxyindanes 失效
    1,1,3,3-取代的羟基茚满

    公开(公告)号:US4370505A

    公开(公告)日:1983-01-25

    申请号:US863019

    申请日:1977-12-21

    摘要: 1,1,3,3-substituted hydroxyindanes of the formula ##STR1## wherein R.sup.1 is selected from the group of hydrogen, halogen and optionally substituted alkyl, cycloalkyl, aralkyl and aryl and the group ##STR2## wherein X is sulphur or the group ##STR3## R.sup.2 and R.sup.3 can be the same or different and are selected from the group of hydrogen, halogen and optionally substituted alkyl, cycloalkyl, aralkyl and aryl group, or, ifR.sup.2 and R.sup.3 are in the ortho position to each other, they may form a condensed carbocyclic 5-membered ring together with the carbon atoms of the benzene ring to which they are attached as substituents,R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are the same or different and are selected from the group of optionally substituted alkyl, cycloalkyl, aralkyl and aryl orR.sup.4 and R.sup.5 and/or R.sup.6 and R.sup.7 and/or R.sup.8 and R.sup.9 can form a cycloaliphatic ring together with the carbon atom to which they are attached as substituents orR.sup.6 and/or R.sup.7 can also be hydrogen andR.sup.10 and R.sup.11 can be identical or different and are selected from the group of hydrogen and optionally substituted alkyl orR.sup.10 and R.sup.11 can form a cycloaliphatic ring together with the carbon atom to which they are attached as substituents.The foregoing compounds are prepared by reacting an alkyl phenol in the presence of an acid catalyst at temperatures of from 100.degree.-350.degree. C. with an olefine.

    摘要翻译: 其中R 1选自氢,卤素和任选取代的烷基,环烷基,芳烷基和芳基和基团,其中X是硫或基团 R2和R3可以相同或不同,并且选自氢,卤素和任选取代的烷基,环烷基,芳烷基和芳基,或者如果R 2和R 3彼此在邻位,则它们 可以与它们所连接的苯环的碳原子一起形成稠合的碳环五元环作为取代基,R4,R5,R6,R7,R8和R9相同或不同,并且选自任选的 取代的烷基,环烷基,芳烷基和芳基或R 4和R 5和/或R 6和R 7和/或R 8和R 9可以与它们所连接的碳原子一起形成脂环族作为取代基,或者R 6和/或R 7也可以是 氢和R 10和R 11可以相同或不同 选自氢和任选取代的烷基或R 10和R 11可以与它们所连接的碳原子一起形成脂环族作为取代基。 上述化合物通过使烷基苯酚在酸催化剂存在下,在100-350℃的温度和烯烃反应来制备。

    Process for the preparation of 5-isopropyl-3-methyl-phenol
    8.
    发明授权
    Process for the preparation of 5-isopropyl-3-methyl-phenol 失效
    5-异丙基-3-甲基苯酚的制备方法

    公开(公告)号:US3968173A

    公开(公告)日:1976-07-06

    申请号:US390449

    申请日:1973-08-22

    CPC分类号: C07C37/00 C07C37/14 C07C37/48

    摘要: In the preparation of 5-isopropyl-3-methyl-phenol from 3-methyl-phenol carrying at least one isopropyl radical or in the presence of propene by heating in the presence of a catalyst, the improvement which comprises effecting said heating at a temperature of about 200.degree. to 400.degree.C in the presence, as a catalyst, of synthetic aluminum silicate which has not been treated with acid. The reaction can involve isopropylation, isomerization and/or transisopropylation.

    摘要翻译: 在由至少一种异丙基的3-甲基苯酚制备5-异丙基-3-甲基苯酚或在催化剂存在下通过加热在丙烯存在下制备5-异丙基-3-甲基 - 苯酚的改进包括在温度 在没有用酸处理的合成硅酸铝的存在下作为催化剂存在约200-400℃。 该反应可涉及异丙基化,异构化和/或经异丙基化。

    Process for the production of 1,1,3,3-substituted hydroxyindanes
    9.
    发明授权
    Process for the production of 1,1,3,3-substituted hydroxyindanes 失效
    生产1,1,3,3-取代羟基茚满的方法

    公开(公告)号:US3954889A

    公开(公告)日:1976-05-04

    申请号:US431801

    申请日:1974-01-08

    摘要: 1,1,3,3-SUBSTITUTED HYDROXYINDANES OF THE FORMULA ##SPC1##WhereinR.sup.1 is selected from the group of hydrogen, halogen and optionally substituted alkyl, cycloalkyl, aralkyl and aryl and the group ##SPC2##WhereinX is sulphur or the group ##EQU1## R.sup.2 and R.sup.3 can be the same or different and are selected from the group of hydrogen, halogen and optionally substituted alkyl, cycloalkyl, aralkyl and aryl group, or, ifR.sup.2 and R.sup.3 are in the ortho position to each other, they may form a condensed carbocyclic 5-membered ring together with the carbon atoms of the benzene ring to which they are attached as substituents,R.sup.4, r.sup.5, r.sup.6, r.sup.7, r.sup.8 and R.sup.9 are the same or different and are selected from the group of optionally substituted alkyl, cycloalkyl, aralkyl and aryl orR.sup.4 and R.sup.5 and/or R.sup.6 and R.sup.7 and/or R.sup.8 and R.sup.9 can form a cycloaliphatic ring together with the carbon atom to which they are attached as substituents orR.sup.6 and/or R.sup.7 can also be hydrogen andR.sup.10 and R.sup.11 can be identical or different and are selected from the group of hydrogen and optionally substituted alkyl orR.sup.10 and R.sup.11 can form a cycloaliphatic ring together with the carbon atom to which they are attached as substituents.The foregoing compounds are prepared by reacting an alkyl phenol in the presence of an acid catalyst at temperatures of from 100.degree.-350.degree.C with an olefine.

    摘要翻译: 式中1,1,3,3-取代的羟基,其中R1选自氢,卤素和任选取代的烷基,环烷基,芳烷基和芳基,基团X为硫或基团R 10 | R 11 R2和R 3可以相同或不同,并且选自氢,卤素和任选取代的烷基,环烷基,芳烷基和芳基,或者如果R 2和R 3彼此相邻,则它们可以形成 稠合的碳环五元环与它们所连接的苯环的碳原子一起作为取代基,R 4,R 5,R 6,R 7,R 8和R 9相同或不同,并且选自任选取代的烷基 ,环烷基,芳烷基和芳基或R 4和R 5和/或R 6和R 7和/或R 8和R 9可以与它们所连接的碳原子一起形成脂环族作为取代基或R 6和/或R 7也可以是氢和 R10和R11可以相同或不同,并且是选择的 由氢和任选取代的烷基或R 10和R 11组合可以与它们所连接的碳原子一起形成脂环族作为取代基。