Bicycloheptene derivatives and processes for the preparation of the same
    3.
    发明授权
    Bicycloheptene derivatives and processes for the preparation of the same 失效
    双环庚烯衍生物及其制备方法

    公开(公告)号:US06420612B1

    公开(公告)日:2002-07-16

    申请号:US09936580

    申请日:2001-09-13

    IPC分类号: C07C4330

    摘要: Bicycloheptene compounds represented by general formula (1) and being useful as intermediates for the production of agricultural chemicals or drugs (wherein X is hydroxycarbonyl, hydroxymethyl, halogenomethyl, nitromethyl, or methylthiomethyl); and a process for the preparation of compounds of general formula (1), characterized by reacting 5,5-dimethoxy-1,2,3,4-tetrachlorocyclopentadiene with a compound represented by general formula (2) (wherein X is as defined above)

    摘要翻译: 由通式(1)表示的双环庚烯化合物,可用作生产农药或药物(其中X为羟基羰基,羟甲基,卤代甲基,硝基甲基或甲硫基甲基)的中间体。 以及制备通式(1)化合物的方法,其特征在于使5,5-二甲氧基-1,2,3,4-四氯环戊二烯与通式(2)表示的化合物反应(其中X如上定义) )

    Process for producing fluorinated ketone
    5.
    发明授权
    Process for producing fluorinated ketone 有权
    制备氟化酮的方法

    公开(公告)号:US06803488B2

    公开(公告)日:2004-10-12

    申请号:US10372765

    申请日:2003-02-26

    IPC分类号: C07C4330

    摘要: The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process. Namely, it is a process for producing a fluorinated ketone of the following formula (5), which comprises reacting a compound of the following formula (3) having a fluorine content of at least 30 mass %, with fluorine in a liquid phase to obtain a compound of the following formula (4), and then, subjecting the ester linkage of the compound of the formula (4) to a dissociation reaction: RCCOOCHRARB  (3) RCFCOOCFRAFRBF  (4) RAFRBFC═O  (5) wherein each of RA and RAF are each a monovalent organic group such as an alkyl group, or RA and RB may be bonded to each other to form a bivalent organic group such as an alkylene group, RAF and RBF are a monovalent organic group such as a perfluoroalkyl group formed by fluorination of RA and RB, or they are bonded to each other to form a bivalent organic group such as a perfluoroalkylene group, and RC and RCF are each a monovalent organic group such as a perfluoroalkyl group which may contain an etheric oxygen atom.

    摘要翻译: 本发明提供了一种方法,其中各种结构的氟化酮可以通过短的工艺步骤制备,并且可用作工业生产方法。名义上,它是一种制备下式(5)的氟化酮的方法,其包括 使具有至少30质量%的氟含量的下式(3)的化合物与氟在液相中反应,得到下式(4)的化合物,然后将化合物 式(4)解离反应:其中R A和R A各自各自为一价有机基团,例如烷基,或者R和R可彼此键合 为了形成二价有机基团,例如亚烷基,R AF和R BF均为一价有机基团,例如通过R A和R B的氟化形成的全氟烷基,或者它们键合到 彼此形成二价有机基团,例如全氟亚烷基基团,和R a a d R CF各自为可以含有醚性氧原子的一价有机基团,例如全氟烷基。

    Adamantanemethanol derivatives and production processes thereof
    6.
    发明授权
    Adamantanemethanol derivatives and production processes thereof 失效
    金刚烷甲醇衍生物及其制备方法

    公开(公告)号:US06344590B1

    公开(公告)日:2002-02-05

    申请号:US09468326

    申请日:1999-12-21

    IPC分类号: C07C4330

    摘要: An adamantanemethanol derivative of the invention is represented by the following formula (1), wherein Ra is a hydrogen atom or a hydrocarbon group; Rb is a hydrocarbon group having a carbon atom, to which carbon atom at least one hydrogen atom is bonded, at a bonding site with the adjacent carbon atom; Rc, Rd and Re are each a hydrogen atom, a hydroxyl group which may be protected by a protective group or the like; provided that a hydroxyl group protected by a protective group or the like is bonded to at least one carbon atom constituting the adamantane skeleton when Ra is a hydrogen atom or a methyl group and Rb is a methyl group; and at least one substituent, in addition to the HO—C(Ra)(Rb)— group indicated in the formula (1), is bonded to the adamantane ring when one of Ra and Rb is a methyl group and the other is an ethyl group.

    摘要翻译: 本发明的金刚烷甲醇衍生物由下式(1)表示,其中Ra为氢原子或烃基; Rb是在与相邻碳原子的键合位置处具有与碳原子键合至少一个氢原子的碳原子的烃基; Rc,Rd和Re各自为氢原子,可被保护基等保护的羟基; 条件是当Ra为氢原子或甲基且Rb为甲基时,由保护基等保护的羟基与构成金刚烷骨架的至少一个碳原子键合; 并且当R a和R b中的一个为甲基时,与式(1)中所示的HO-C(Ra)(Rb) - 基团相比,至少一个取代基与金刚烷环结合,另一个为金刚烷环 乙基。

    Phenolic compounds derived from dialkoxyethanals, their preparation process and their application
    8.
    发明授权
    Phenolic compounds derived from dialkoxyethanals, their preparation process and their application 有权
    酚醛化合物衍生自二烷氧基乙烷,其制备方法及应用

    公开(公告)号:US06774267B2

    公开(公告)日:2004-08-10

    申请号:US09778353

    申请日:2001-02-07

    IPC分类号: C07C4330

    CPC分类号: C07C43/315 C08G8/04 C08L61/06

    摘要: New phenolic compounds of formula (I) R=C3-C17 dialkoxymethyl group, 1,3-dioxolan-2-yl group optionally substituted on peaks 4 and/or 5 by one or more C1-C8 alkyls or 1,3-dioxan-2-yl group optionally substituted on peaks 4 and/or 5 and/or 6 by one or more C1-C8 alkyls. n=1, 2 or 3, the group or groups are in o and/or p position of the OH of the cycle m=from 0 to 4-n, X=functional group such as OH or Hal or C1-C8 alkyl or alkoxy group or C5-C12 aryl group and optionally 1 or 2 heteroatoms such as N or O, or carboxy or —CO—Y group where Y=C1-C8 alkyl or alkoxy or amido or amino or thiol group, on condition that at least one of the ortho or para positions of the phenolic cycle is substituted by a hydrogen, and their salts with the alkali metals, alkaline-earth metals and amines.

    摘要翻译: 式(I)的新酚类化合物R = C 3 -C 17二烷氧基甲基,在4和/或5个任选被一个或多个C 1 -C 8烷基或1,3-二恶烷-2-基取代的1,3-二氧戊环-2-基, 任选在峰4和/或5和/或6上被一个或多个C 1 -C 8烷基取代的2-或2-位,其中所述基团在O和/或p位置 X =官能团如OH或Hal或C 1 -C 8烷基或烷氧基或C 5 -C 12芳基,以及任选的1或2个杂原子如N或O,或羧基或-CO- Y基团,其中Y = C1-C8烷基或烷氧基或酰氨基或氨基或硫醇基团,条件是酚循环的邻位或对位中的至少一个被氢取代,并且其与碱金属的碱,碱 - 金属和胺类。

    Preparation of 2-chloro-1,1,1-trialkoxyethane
    9.
    发明授权
    Preparation of 2-chloro-1,1,1-trialkoxyethane 失效
    制备2-氯-1,1,1-三烷氧基乙烷

    公开(公告)号:US06747176B2

    公开(公告)日:2004-06-08

    申请号:US10457570

    申请日:2003-06-10

    IPC分类号: C07C4330

    CPC分类号: C07C41/60 C07C43/32

    摘要: 2-Chloro-1,1,1-trialkoxyethane of formula (II): wherein R1 to R3, which may be the same or different, are alkyl, or any two of the alkyl groups taken together form a cyclic group, is prepared by reacting 1,1,1-trialkoxyethane with gaseous or liquid chlorine in the presence of alcohol solvent in an amount ranging from 0.1% to 20 wt %, based on the amount of 1,1,1-trialkoxyethane reactant.

    摘要翻译: 式(II)的2-氯-1,1,1-三烷氧基乙烷:其中R 1至R 3可以相同或不同,为烷基,或任意两个烷基一起形成 基于1,1,1-三烷氧基乙烷反应物的量,在醇溶剂存在下,使1,1,1-三烷氧基乙烷与气态或液态氯反应,其量为0.1〜20重量% 。

    Preparation of diacetals of glyoxal
    10.
    发明授权
    Preparation of diacetals of glyoxal 失效
    乙二醛二缩醛的制备

    公开(公告)号:US06713656B2

    公开(公告)日:2004-03-30

    申请号:US10262980

    申请日:2002-10-03

    IPC分类号: C07C4330

    摘要: A process is described for preparing diacetals of glyoxal by reacting from 40 to 75% by weight aqueous glyoxal with monohydric alcohols in the presence of an acid catalyst, which comprises leaving a liquid mixture which, at the beginning of the reaction, comprises alcohol and glyoxal in a molar ratio of at least 15:1 and also water in a concentration of not more than 8% by weight in contact with the acid catalyst until concentration in the reaction mixture of the diacetal formed reaches at least 70% of the equilibrium concentration without more than 5% by weight of the alcohol used having already been distilled off.

    摘要翻译: 描述了一种通过在酸催化剂的存在下使40至75重量%的乙二醛与一元醇反应来制备乙二醛的二缩醛的方法,其包括在反应开始时包含醇和乙二醛的液体混合物 至少15:1的摩尔比和与酸催化剂接触的浓度不超过8重量%的水,直到形成的二缩醛的反应混合物中的浓度达到平衡浓度的至少70%而没有 超过5%(重量)所用的醇已被蒸馏掉。