The process of manufacturing thiazolo-(2,3-b)-quinoazolones of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are defined in the disclosure, wherein either a) an anthranilamide derivative of the formula II ##STR2## where R.sup.5 and R.sup.6 are hydrogen or C.sub.1 -C.sub.4 -alkyl, is reacted with a thiazole derivative of the formula III ##STR3## where X is fluorine, chlorine, bormine, alkylsulfonyl or arylsulfonyl, or b) for certain radicals R.sup.4' from the group R.sup.4 - a thiazolo-(2,3-b)-quinazolone of the general formula IV ##STR4## is reacted with a nucleophile R.sup.4' -H, where R.sup.4' is alkoxy, alkylthio or unsubstituted or halogen-, alkyl-, haloalkyl-, nitro- or alkoxy-substituted phenoxy or thiophenyl, or an alkali metal, alkaline earth metal or ammonium salt of an alcohol.
制造式I的
噻唑并[2,3-b]
喹唑酮的过程如下:其中R.sup.1、R.sup.2、R.sup.3和R.sup.4在披露中有定义,其中a)式II的
蒽酰胺衍
生物与式III的
噻唑衍
生物发生反应,其中R.sup.5和R.sup.6为氢或C.sub.1-C.sub.4-烷基,其中X为
氟、
氯、
溴、烷基磺酰基或芳基磺酰基;或b)对于来自R.sup.4组的某些基团R.sup.4',通式IV的
噻唑并[2,3-b]
喹唑酮与亲核试剂R.sup.4'-H发生反应,其中R.sup.4'为烷氧基、烷基
硫醚基或未取代或卤代、烷基、卤代烷基、硝基或烷氧基取代的苯氧基或
硫代苯基,或醇的碱
金属、碱土
金属或
铵盐。