METHOD FOR THE PRODUCTION OF 3-PHENYL(THIO)URACILS AND DITHIOURACILS

    公开(公告)号:CA2574406C

    公开(公告)日:2013-02-19

    申请号:CA2574406

    申请日:2005-07-13

    Applicant: BASF AG

    Abstract: The invention relates to a method for the production of 3-phenyl(thio)uracils and dithiouracils of formula I, wherein the variables have the meanings cited in the description, characterized in that carbamates of formula II, wherein variables X1, X3, Ar and A have the above-mentioned meanings and L1 represents a nucleophilically displaceable nucleofuge, can be reacted with enamines of formula III, wherein variables X2, R1, R2 and R3 have the above-mentioned meanings and L2 represents a nucleophilically displaceable nucleofuge. The invention also relates to intermediate products for the production thereof.

    6.
    发明专利
    未知

    公开(公告)号:NO327975B1

    公开(公告)日:2009-11-02

    申请号:NO20030212

    申请日:2003-01-16

    Applicant: BASF AG

    Abstract: A process for preparing 4-thioalkylbromobenzene derivatives of the formula I where: R 1 is C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, C 3 -C 8 -cycloalkyl, halogen, R 2 is C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 2 -C 6 -alkenyl, cyano or a heterocyclic radical, R 3 is C 1 -C 6 -alkyl, which comprises reacting a compound of the formula II, in which R 1 and R 2 are as defined above, with a dialkyl disulfide of the formula III R 3 -S-S-R 3 III in the presence of a nitrite and a catalyst in a suitable solvent is described.

    СПОСОБ ПОЛУЧЕНИЯ 1-АЛКИЛ-3-ФЕНИЛУРАЦИЛОВ

    公开(公告)号:UA88377C2

    公开(公告)日:2009-10-12

    申请号:UAA200713919

    申请日:2006-05-18

    Applicant: BASF AG

    Abstract: Данноеизобретениекасаетсяспособаполучения 1-алкил-3-фенилурациловформулыІ, Iгдепеременныеот Rдо Rимеютзначения, приведенныев описании, прикоторых 3-фенилурацилыформулы IIIIиалкилировочныйагентформулы IIIR-LIIIподвергаютвзаимодействиюдругс другом, причемнапротяженииобщеговзаимодействиярН-значенияблагодаряпорционномудобавлениюосновысохраняютв пределахот 1 до 6.

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