Triazoles and imidazoles

Abstract From the Canadian patent

Compounds of formula :, wherein R1 is optionally substituted alkyl alkenyl, alkyyl, cycloalkyl, cycloalkenyl of up to 8 carbon atoms or is optionally substituted aryl, aralkyl or heterocyclyl; R2 is an optionally substituted alkyl, alkenyl alkynyl, alkynylalkenyl, alkenylalkynyl cycloalkyl, cycloalkenyl or, cycloalkylalkyl group of up to 8 carbon atoms; R3 and R4 which can be the same or are different are hydrogen, but, are not both hydrogen or are alkyl of up to 4 carbon, atoms, alkoxy OCF3, CF3 or halogen or together constitute a ring of 3-6 atoms; Y is -CH= or =N- ; and esters ethers, salts and metal complexes thereof; are plant growth regulators.