Novel heterocyclic compounds of the formula ##STR1## wherein X is selected from the group consisting of chlorine, bromine, iodine and --OH, W is selected from the group consisting of hydrogen and --CN, Z is selected from the group consisting of --CH.sub.2 -- and --O-- attached to the carbon atom included between a nitrogen and the sulfur atom of Y and Y is selected from the group consisting of thiazolyl or thiadiazolyl connected to ##STR2## at one of its available positions except for (2-benzyl-4 and 5-thiazolyl) methanol and .alpha.-cyano-(2-benzyl-5-thiazolyl)-methanol and the compounds wherein X is halogen when W is --CN whose esters have insecticidal activity.
该式的新颖
杂环化合物为 ##STR1## 其中 X 从
氯、
溴、
碘和—OH 组成的群体中选择,W 从氢和—CN 组成的群体中选择,Z 从连接到 Y 的氮和
硫原子之间包括的碳原子上的—CH.sub.2—和—O—组成的群体中选择,Y 从连接到 ##STR2## 的
噻唑基或
噻二唑基中选择,除了(2-苄基-4和5-
噻唑基)
甲醇和.alpha.-
氰基-(2-苄基-5-
噻唑基)-
甲醇以及当 W 为—CN 时 X 是卤素的化合物,其酯具有杀虫活性。