2,5-Dichloro-thiazolo[4,5-d]thiazole and process for making same
    2.
    发明授权
    2,5-Dichloro-thiazolo[4,5-d]thiazole and process for making same 失效
    2,5-Dichloro-thiazolo {8 4,5-d {9噻唑及其制备方法

    公开(公告)号:US3994913A

    公开(公告)日:1976-11-30

    申请号:US626410

    申请日:1975-10-28

    IPC分类号: A01N43/90 C07D513/04

    CPC分类号: C07D513/04

    摘要: 2,5-Dichloro-thiazolo[4,5-d]thiazole, which is useful as a fungicide, is prepared by reacting compounds having the formula ##EQU1## wherein X.sub.1 is Cl, andX.sub.2 is H or Cl orX.sub.1 and X.sub.2 together form a C-C bondIn the temperature range of 150.degree. to 300.degree. C, with at least the stoichiometrically required amount of sulphur.

    摘要翻译: 可用作杀真菌剂的2,5-二氯 - 噻唑并[4,5-d]噻唑通过使具有下式的化合物N = CCl 2 CCl 2 -CCl-CH 2 N 2 CCl 2 / XX 2(其中X 1为Cl)和 X 2是H或Cl或X 1和X 2在一般的150℃至300℃的温度范围内一起形成CC键,至少具有所需的化学计量量的硫。

    Process for the preparation of tetrachloropyrimidine
    3.
    发明授权
    Process for the preparation of tetrachloropyrimidine 失效
    四氯嘧啶的制备方法

    公开(公告)号:US4026892A

    公开(公告)日:1977-05-31

    申请号:US626414

    申请日:1975-10-28

    IPC分类号: C07D239/30 C07D239/20

    CPC分类号: C07D239/30 C07C255/00

    摘要: A process for preparing tetrachloropyrimidine comprising reacting 2-cyano-1,2-(dichlorovinyl)-isocyanide-dichloride of the formulaNC -- CCl = CCl -- N = CCl.sub.2with a Friedel-Crafts compound at an elevated temperature. The resulting tetrachloropyrimidine can be used as a reactive component for the preparation of reactive dyestuffs.

    摘要翻译: 一种制备四氯嘧啶的方法,包括在升高的温度下将式NC-CCl = CCl-N = CCl 2的2-氰基-1,2-(二氯乙烯基) - 异氰化二氯与Friedel-Crafts化合物反应。 所得的四氯嘧啶可用作活性染料制备的反应组分。

    Preparation of trichlorothiazole and intermediate
    4.
    发明授权
    Preparation of trichlorothiazole and intermediate 失效
    制备三氯噻唑和中间体

    公开(公告)号:US4018784A

    公开(公告)日:1977-04-19

    申请号:US639136

    申请日:1975-12-09

    IPC分类号: C07D277/20 C07D277/32

    CPC分类号: C07D277/32

    摘要: Trichlorothiazole of the formula ##STR1## IS PREPARED BY REACTING 1,2,2,2-TETRACHLOROETHYL-ISOCYANIDEDICHLORIDE OF THE FORMULA ##STR2## WITH 1 TO 1.2 TIMES THE STOICHIOMETRIC AMOUNT OF SULFUR AT A TEMPERATURE OF ABOUT 150.degree. TO 250.degree. C, preferably about 170.degree. to 230.degree. C.

    摘要翻译: 具有式“IMAGE”的三氯噻唑通过用1至1.2倍的时间在150至250℃的温度下反应硫化物的量,通过将1,2,2,2-四氯丙基 - 异氰酸酯二氯化物反应, 优选约170℃至230℃

    Process for the preparation of tetrachloropyrimidine
    6.
    发明授权
    Process for the preparation of tetrachloropyrimidine 失效
    四氯嘧啶的制备方法

    公开(公告)号:US4125722A

    公开(公告)日:1978-11-14

    申请号:US842976

    申请日:1977-10-17

    IPC分类号: C07D239/30 C07D239/24

    CPC分类号: C07D239/30

    摘要: Process for the preparation of tetrachloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R = a radical which can be split off under the reaction conditions,Are reacted with chlorine or agents which release chlorine, preferably at temperatures from 0.degree.-150.degree. C and using more than 7 mols of chlorine, in particular using 11-13 mols of chlorine.

    摘要翻译: 制备四氯嘧啶的方法,其特征在于下式化合物其中R =可在反应条件下分离的基团,与氯离子反应,或在0°-150℃温度下优选释放出氯离子 DEG,并使用大于7摩尔的氯,特别是使用11-13摩尔的氯。

    Process for the preparation of 2,4,5-trichloropyrimidine
    9.
    发明授权
    Process for the preparation of 2,4,5-trichloropyrimidine 失效
    制备2,4,5-三氯嘧啶的方法

    公开(公告)号:US4171442A

    公开(公告)日:1979-10-16

    申请号:US913119

    申请日:1978-06-06

    IPC分类号: C07D239/30 C07D239/20

    CPC分类号: C07D239/30

    摘要: Process for the preparation of 2,4,5-trichloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R a radical which can be split off under the reaction conditions andR' an optionally substituted lower alkyl radical,Are reacted at temperatures from 0.degree. to 50.degree. C. with less than 7.5 mols of chlorine, in particular 3.5 to 7.0 mols of chlorine, and the reaction products are then after-heated to temperatures of 100.degree.-150.degree. C., in particular 110.degree.-140.degree. C., in the absence of chlorine.

    摘要翻译: 制备2,4,5-三氯嘧啶的方法,其特征在于下式化合物其中R为在反应条件下可分离的基团,R'为任选取代的低级烷基,在温度下反应 从0℃至50℃,小于7.5摩尔氯,特别是3.5至7.0摩尔氯,然后将反应产物后加热至100-150℃,特别是110℃ - 140℃,没有氯气。