Compounds of the formula: ##STR1## wherein R is aryl of 6 to 12 carbon atoms or aralkyl of 7 to 14 carbon atoms either optionally substituted with 1 to 3 substituents independently selected from lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower alkylthio of 1 to 6 carbon atoms, lower alkylsulfinyl of 1 to 6 carbon atoms, lower alkylsulfonyl of 1 to 6 carbon atoms, halogen, trihalomethyl, nitro, cyano or carboxyl; alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, lower alkenyl of 2 to 6 carbon atoms, or lower alkynyl of 2 to 6 carbon atoms, all optionally substituted with 1 to 3 halogen atoms; lower alkoxyalkylene; lower alkylene carbalkoxy; lower alkylthioalkylene; lower alkylsulfinylalkylene; or lower alkylsulfonylalkylene; R.sup.1 and R.sup.2 are independently hydrogen, lower alkyl of 1 to 6 carbon atoms, aryl of 6 to 12 carbon atoms, or thienyl, or taken together form an alkylene bridge to give a cycloalkyl group of 3 to 10 carbon atoms; and R.sup.3 is alkyl of 1 to 3 carbon atoms substituted with 3 to 6 halogen atoms or trihalovinyl are fungicidal.
化合物的
化学式为:##STR1## 其中R为6到12个碳原子的芳基或7到14个碳原子的芳基烷基,可选择地用1到3个取代基独立地选自1到6个碳原子的低级烷基,1到6个碳原子的低级烷氧基,1到6个碳原子的低级烷
硫基,1到6个碳原子的低级烷基亚磺酰基,1到6个碳原子的低级烷基磺酰基,卤素,三卤甲基,硝基,
氰基或羧基;1到10个碳原子的烷基,3到10个碳原子的环烷基,2到6个碳原子的低级烯基或2到6个碳原子的低级炔基,所有这些基都可选择地用1到3个卤素原子取代;低级烷氧基烷基;低级烷基
碳酸酯基;低级烷
硫基烷基;低级烷基亚磺酰基烷基;或低级烷基磺酰基烷基;R.sup.1和R.sup.2独立地为氢,1到6个碳原子的低级烷基,6到12个碳原子的芳基或
噻吩基,或取代成3到10个碳原子的环烷基的亚烷基桥;R.sup.3为取代有3到6个卤素原子或三卤
乙烯的1到3个碳原子的烷基,则具有杀真菌作用。