Novel 1,3-dioxan-5-yl-alkenyltriazoles of the formula ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is hydrogen or alkyl of 1 to 5 carbon atoms, Ar is furanyl, thienyl, biphenylyl or naphthyl, or is phenyl which is unsubstituted or substituted by alkyl, alkoxy or alkenyl, each of 1 to 5 carbon atoms, or by fluorine, chlorine, bromine, iodine, nitro, trifluoromethyl or phenoxy, and X is C.dbd.O, --CH(OH)-- or --CH(O--COR.sup.3)--, where R.sup.3 is unsubstituted or halogen- or alkoxy-substituted alkyl of 1 to 5 carbon atoms or alkenyl of 2 to 5 carbon atoms or aryl, their salts and metal complexes, and their preparation. The novel compounds are plant growth regulators.
新型化合物为具有以下结构的1,3-二氧杂
环戊烯基三唑化合物##STR1##其中R.sup.1和R.sup.2相同或不同,每个都是氢或1至5个碳原子的烷基,Ar是
呋喃基、
噻吩基、
联苯基或
萘基,或是未取代或被烷基、烷氧基、烯基(每个为1至5个碳原子)或
氟、
氯、
溴、
碘、硝基、三
氟甲基或苯氧基取代的苯基,X为C.dbd.O、--CH(OH)--或--CH(O--COR.sup.3)--,其中R.sup.3是未取代或卤素或烷氧基取代的1至5个碳原子的烷基或2至5个碳原子的烯基或芳基,它们的盐和
金属络合物,以及它们的制备。这些新型化合物是
植物生长调节剂。