Novel thiadiazoles of the formula ##STR1## wherein R is selected from the group consisting of alkoxy of 1 to 8 carbon atoms, cycloalkyloxy of 3 to 7 carbon atoms, alkylthio of 1 to 8 carbon atoms optionally substituted with carbalkoxy of 2 to 5 carbon atoms, alkenylthio of 2 to 4 carbon atoms, ##STR2## and benzyloxy, benzylthio, benzyl and phenyl, all aryl being optionally substituted with 1 to 2 members of the group consisting of chlorine, bromine, alkyl of 1 to 3 carbon atoms and alkoxy of 1 to 3 carbon atoms, Z and Z.sub.1 are alkyl of 1 to 4 carbon atoms and R.sub.1 is selected from the group consisting of alkyl of 1 to 6 carbon atoms optionally substituted with a member of the group consisting of chlorine, bromine and alkyloxy of 1 to 4 carbon atoms, phenyl optionally substituted with 1 to 2 members of the group consisting of bromine, chlorine, alkyl of 1 to 3 carbon atoms and alkoxy of 1 to 3 carbon atoms, alkenyl of 2 to 4 carbon atoms optionally substituted with at least one member of the group consisting of chlorine and alkoxy of 1 to 3 carbon atoms, ##STR3## and carbalkoxy of 2 to 6 carbon atoms and X is selected from the group consisting of alkyl of 1 to 4 carbon atoms and alkenyl of 2 to 4 carbon atoms, both optionally substituted with at least one chlorine having herbicidal properties and novel intermediates.
新型
噻二唑类化合物的结构式为##STR1##其中R从以下组中选择:1至8个碳原子的烷氧基,3至7个碳原子的环烷氧基,1至8个碳原子的烷基
硫醚,可选择地取代有2至5个碳原子的羰基烷氧基,2至4个碳原子的烯基
硫醚,##STR2##苯氧基,苄
硫醚,苄基和苯基,所有芳基可选择地取代有1至2个
氯、
溴、1至3个碳原子的烷基和1至3个碳原子的烷氧基中的成员,Z和Z.sub.1为1至4个碳原子的烷基,R.sub.1从以下组中选择:1至6个碳原子的烷基,可选择地取代有
氯、
溴和1至4个碳原子的烷氧基中的成员,苯基,可选择地取代有
溴、
氯、1至3个碳原子的烷基和1至3个碳原子的烷氧基中的1至2个成员,2至4个碳原子的烯基,可选择地取代有至少一个
氯和1至3个碳原子的烷氧基中的成员,##STR3##和2至6个碳原子的羰基烷氧基,X从以下组中选择:1至4个碳原子的烷基和2至4个碳原子的烯基,两者可选择地取代有至少一个具有除草性能的
氯的新型中间体。