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    • 2. 发明授权
    • 2-aryl-5,6-dihydropyrimidinones and herbicidal use thereof
    • 2-芳基-5,6-二氢嘧啶酮及其除草用途
    • US5629264A
    • 1997-05-13
    • US409293
    • 1995-03-23
    • Colin M. TiceLois M. BrymanRenee C. Roemmele
    • Colin M. TiceLois M. BrymanRenee C. Roemmele
    • A01N43/54C07D239/22C07D401/04C07D239/06
    • C07D239/22A01N43/54C07D401/04
    • A class of 2-aryl-5,6-dihydropyrimidinones and compositions thereof which are useful in the control of weeds is of the general formula ##STR1## wherein Ar is a substituted or unsubstituted aryl or heteroaryl;R.sup.3 is an optionally substituted alkyl, alkenyl or alkynyl;R.sup.5a and R.sup.5b are each independently a hydrogen atom, halo, cyano or an optionally substituted alkyl, alkenyl, alkynyl, alkoxy or alkylthio;R.sup.6a and R.sup.6b are each independently a hydrogen atom, halo, cyano, an optionally substituted alkyl, alkenyl, alkynyl, alkoxy or alkylthioalkyl, cycloalkyl, optionally substituted aryl, aryloxy, heterocyclyl or aralkyl, alkylamino, dialkylamino or dialkylaminocarbonyl;R.sup.5a and R.sup.6a taken together with the carbon atoms to which they are attached may form a fused 4-7 member ring containing 2-5 methylenes; andX is an oxygen or a sulfur atom.
    • 一类可用于防治杂草的2-芳基-5,6-二氢嘧啶酮及其组合物具有通式“IMAGE”,其中Ar是取代或未取代的芳基或杂芳基; R3是任选取代的烷基,烯基或炔基; R5a和R5b各自独立地为氢原子,卤素,氰基或任意取代的烷基,烯基,炔基,烷氧基或烷硫基; R6a和R6b各自独立地为氢原子,卤素,氰基,任选取代的烷基,烯基,炔基,烷氧基或烷硫基烷基,环烷基,任选取代的芳基,芳氧基,杂环基或芳烷基,烷基氨基,二烷基氨基或二烷基氨基羰基。 R5a和R6a与它们所连接的碳原子一起可以形成含有2-5个亚甲基的稠合4-7元环; X是氧或硫原子。