Propargylether derivatives, a process for their preparation and their use for controlling phytopathogenic microorganisms

Abstract From the Canadian patent

The invention relates to 4-propargyloxy-benzyl dervatives of the general formula (I ) including the optical isomers thereof and mixtures of such isomers, wherein R1 is hydrogen, optionally substituted alkyl optionally , substituted cycloalkyl or optionally substituted aryl; R2 R3, R5, R6, and R7 , are each independently of each other hydrogen or optionally substituted alkyl; R4 is optionally substituted alkyl; X is O or N-R7; and R8 is a group R9 is optionally substituted aryl or optionally substituted heteroaryl; R10 and R11 are each independently hydrogen, optionally substituted alkyl optionally , substituted alkenyl or optionally substituted alkynyl; R12 is optionally substituted …