Ring-substituted N-(2,2-difluoroalkanoyl)-o-phenylenediamine compounds

Claim 1

The method which comprises applying to a plant part a growth-inhibiting amount of an active agent, said active agent being a compound selected from the group consisting of the compounds of the formulae: ##STR15## wherein R o represents a 2,2-difluoroalkanoyl radical of the formula ##STR16## wherein Y represents hydrogen, chlorine, fluorine, difluoromethyl, perfluoroalkyl of C 1 -C 6 , or radical of the formula ##STR17## wherein each Z independently represents hydrogen or halogen and n represents 0 or 1; R 1 represents hydrogen, radical of the formula ##STR18## wherein Y 1 represents loweralkyl of C 1 -C 4 or phenyl, benzoyl, furoyl, naphthoyl, or substituted benzoyl of the formula ##STR19## wherein each Z' independently represents halo or nitro, Z" represents loweralkyl of C 1 -C 4 or loweralkoxy of C 1 -C 4 , p represents 0, 1, or 2, q represents 0 or 1, and the sum of p and q is 1-3; R 2 represents R 0 , r 1 , alkanoyl of C 1 -C 8 , loweralkenoyl of C 3 -C 4 , loweralkynoyl of C 3 -C 4 , halogenated loweralkanoyl of C 2 -C 4 bearing on any position or positions one or more halogen atoms, each independently selected, subject to the limitation that the alpha position bear at least one substituent moiety selected from the group consisting of hydrogen and halogen of atomic weight from 35 to 127, both inclusive; each R 3 independently represents halogen; R 4 represents nitro; R 5 represents trifluoromethyl difluoromethyl, or difluorochloromethyl, and in compounds of Formula II, R 4 and R 5 are meta to one another; R 6 represents loweralkylsulfonyl of C 1 -C 4 and is located at the 4 or 5 position, and any R 4 group is meta to R 6 ; m represents 0-4; n represents 0-1; and in compounds of Formula I, the sum of m and n is an integer of from 1 to 4; subject to the further limitation that where R 1 or R 2 represents hydrogen, the ring position ortho to the --NH--R 1 or --NH--R 2 group bears one of the designated R 3 , R 4 , or R 5 moieties.

Claim 2

The method which comprises applying to a plant part a growth-inhibiting amount of an active agent, said active agent being a compound selected from the group consisting of the compounds of the formulae: ##STR15## wherein R o represents a 2,2-difluoroalkanoyl radical of the formula ##STR16## wherein Y represents hydrogen, chlorine, fluorine, difluoromethyl, perfluoroalkyl of C 1 -C 6 , or radical of the formula ##STR17## wherein each Z independently represents hydrogen or halogen and n represents 0 or 1; R 1 represents hydrogen, radical of the formula ##STR18## wherein Y 1 represents loweralkyl of C 1 -C 4 or phenyl, benzoyl, furoyl, naphthoyl, or substituted benzoyl of the formula ##STR19## wherein each Z' independently represents halo or nitro, Z" represents loweralkyl of C 1 -C 4 or loweralkoxy of C 1 -C 4 , p represents 0, 1, or 2, q represents 0 or 1, and the sum of p and q is 1-3; R 2 represents R 0 , r 1 , alkanoyl of C 1 -C 8 , loweralkenoyl of C 3 -C 4 , loweralkynoyl of C 3 -C 4 , halogenated loweralkanoyl of C 2 -C 4 bearing on any position or positions one or more halogen atoms, each independently selected, subject to the limitation that the alpha position bear at least one substituent moiety selected from the group consisting of hydrogen and halogen of atomic weight from 35 to 127, both inclusive; each R 3 independently represents halogen; R 4 represents nitro; R 5 represents trifluoromethyl difluoromethyl, or difluorochloromethyl, and in compounds of Formula II, R 4 and R 5 are meta to one another; R 6 represents loweralkylsulfonyl of C 1 -C 4 and is located at the 4 or 5 position, and any R 4 group is meta to R 6 ; m represents 0-4; n represents 0-1; and in compounds of Formula I, the sum of m and n is an integer of from 1 to 4; subject to the further limitation that where R 1 or R 2 represents hydrogen, the ring position ortho to the --NH--R 1 or --NH--R 2 group bears one of the designated R 3 , R 4 , or R 5 moieties.