Isocysnoalksnes, process and useful intermediates for their preparation, pharmaceutical and fungicidal preparations containing those isocyanoalkenes and the use of the fungicidal preparations in agriculture, the isocyanoalkenes having the general formula:
wherein Rx and Ry are the same or different and each is a hydrogen atom or an alkyl, aryl or heterocyclic group and Rx and Ry together with the carbon atom to which they are attached represent a homo- or heterogeneous cydoal- kylidene, adamantylidene or cholestamtlidene group, Rw is an alkylidene group or Rw together with Rx and the carbon atom to which they are attached represent a homo- or heterogeneous cycloalkenyl group and Rz is an aryl group.
异
氰基烯烃、制备它们的工艺和有用中间体、含有这些异
氰基烯烃的药物和杀菌制剂以及这些杀菌制剂在农业中的用途,这些异
氰基烯烃具有通式:
其中 Rx 和 Ry 相同或不同,且各自为氢原子或烷基、芳基或杂环基团,Rx 和 Ry 与它们所连接的碳原子一起代表同族或异族的亚烷基、亚
金刚烷基或亚胆烷基,Rw 为亚烷基或 Rw 与 Rx 和它们所连接的碳原子一起代表同族或异族的环烯基,Rz 为芳基。