申请人:Imperial Chemical Industries Limited
公开号:US04087422A1
公开(公告)日:1978-05-02
Dihydrotetrazolo [1,5-a] quinazolines having the formula: ##STR1## wherein (a) n is 0, X is oxygen, and R is optionally unsubstituted alkyl, alkenyl of at least 4 carbon atoms, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, amino or substituted aryl; or (b) n is 1 or 2, X is oxygen, R is hydrogen, or optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy or (c) n is 0, 1 or 2, X is sulphur, R is hydrogen, or optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy; or (d) n is 0, 1 or 2, X is NR.sub.2 where R.sub.2 is hydrogen, alkyl having 1 to 10 carbon atoms, benzyl or hydroxyalkyl, R is optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy; and salts thereof. These compounds demonstrate pesticidal activity.
具有以下式子的二氢四氮杂[1,5-a]
喹唑啉:##STR1##
其中(a)n为0,X为氧,R为可选的未取代烷基,至少含有4个碳原子的烯基,炔基,芳基,芳基烷基,烷基
硫,环烷基,
氨基或取代芳基; 或(b)n为1或2,X为氧,R为氢,或可选取代的烷基,烯基,炔基,芳基,芳基烷基,烷基
硫,环烷基或
氨基,R.sup.1为羟基,卤素,硝基,烷基或烷氧基; 或(c)n为0,1或2,X为
硫,R为氢,或可选取代的烷基,烯基,炔基,芳基,芳基烷基,烷基
硫,环烷基或
氨基,R.sup.1为羟基,卤素,硝基,烷基或烷氧基; 或(d)n为0,1或2,X为NR.sub.2,其中R.sub.2为氢,具有1到10个碳原子的烷基,苄基或羟基烷基,R为可选取代的烷基,烯基,炔基,芳基,芳基烷基,烷基
硫,环烷基或
氨基,R.sup.1为羟基,卤素,硝基,烷基或烷氧基; 及其盐。这些化合物表现出杀虫活性。