A process for the preparation of a 4-amino-5-fluoro-3-halo-6-(substituted)-picolinate of the Formula I wherein W represents Cl, Br or I; R represents C 1 -C 4 alkyl, cyclopropyl, C 2 -C 4 alkenyl or phenyl substituted with from 1 to 4 substituents independently selected from halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy or C 1 -C 4 haloalkoxy; and R 1 represents C 1 -C 12 alkyl or an unsubstituted or substituted C 7 -C 11 arylalkyl which substituted C 7 -C 11 arylalkyl has a phenyl group substituted with one or more substituents independently selected from halogen, nitro, cyano, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogenated C 1 -C 6 alkyl, halogenated C 1 -C 6 alkoxy, C 1 -C 6 alkylthio, C OC 1 -C 6 alkyl, or where two adjacent substituents are taken together as -O(CH 2) n O-wherein n=1 or 2; which comprises the following steps: a) fluorinating the 4,5,6-trichloropicolinate of Formula A wherein R 1 is as previously defined; with a source of fluoride ion to produce a 4,5,6-trifluoropicolinate of Formula B wherein R 1 is as previously defined; b) aminating the 4,5,6-trifluoropicolinate of Formula B with ammonia to produce a 4-amino-5,6-difluoropicolinate of Formula C wherein R 1 is as previously defined; c) exchanging the fluoro substituent in the 6-position of the 4-amino-5,6-difluoropicolinate of Formula C with an iodo, bromo or chloro substituent by treating with an iodide, bromide or chloride source to produce a 4-amino-5-fluoro-6-halopicolinate of Formula D wherein X represents Cl, Br or I, and R 1 is as previously defined; d) halogenating the 4-amino-5-fluoro-6-halopicolinate of Formula D with a halogen source to produce a 4-amino-3,6-dihalo-5-fluoropicolinate of Formula E wherein W and X independently represent Cl, Br or I, and R 1 is as previously defined; and e) coupling the 4-amino-3,6-dihalo-5-fluoropicolinate of Formula E with an aryl, alkyl or alkenyl metal compound of the Formula F R-Met F wherein R is as previously defined and Met represents Zn-halide, Zn-R, tri-(C 1 -C 4 alkyl)tin, copper, or B(OR 2)(OR 3), where R 2 and R 3 are independent of one another, hydrogen, C 1 -C 4 alkyl, or when taken together form an ethylene or propylene group in the presence of a transition metal catalyst to produce the 4-amino-5-fluoro-3-halo-6-(substituted)picolinate of Formula I. W represents Cl, Br or I; R represents C 1 -C 4 alkyl, cyclopropyl, C 2 -C 4 alkenyl or phenyl substituted with from 1 to 4 substituents independently selected from halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy or C 1 -C 4 haloalkoxy; and R 1 represents C 1 -C 12 alkyl or an unsubstituted or substituted C 7 -C 11 arylalkyl which substituted C 7 -C 11 arylalkyl has a phenyl group substituted with one or more substituents independently selected from halogen, nitro, cyano, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogenated C 1 -C 6 alkyl, halogenated C 1 -C 6 alkoxy, C 1 -C 6 alkylthio, C OC 1 -C 6 alkyl, or where two adjacent substituents are taken together as -O(CH 2) n O-wherein n=1 or 2; a) fluorinating the 4,5,6-trichloropicolinate of Formula A wherein R 1 is as previously defined; with a source of fluoride ion to produce a 4,5,6-trifluoropicolinate of Formula B wherein R 1 is as previously defined; b) aminating the 4,5,6-trifluoropicolinate of Formula B with ammonia to produce a 4-amino-5,6-difluoropicolinate of Formula C wherein R 1 is as previously defined; c) exchanging the fluoro substituent in the 6-position of the 4-amino-5,6-difluoropicolinate of Formula C with an iodo, bromo or chloro substituent by treating with an iodide, bromide or chloride source to produce a 4-amino-5-fluoro-6-halopicolinate of Formula D wherein X represents Cl, Br or I, and R 1 is as previously defined; d) halogenating the 4-amino-5-fluoro-6-halopicolinate of Formula D with a halogen source to produce a 4-amino-3,6-dihalo-5-fluoropicolinate of Formula E wherein W and X independently represent Cl, Br or I, and R 1 is as previously defined; and e) coupling the 4-amino-3,6-dihalo-5-fluoropicolinate of Formula E with an aryl, alkyl or alkenyl metal compound of the Formula F R-Met F wherein R is as previously defined and Met represents Zn-halide, Zn-R, tri-(C 1 -C 4 alkyl)tin, copper, or B(OR 2)(OR 3), where R 2 and R 3 are independent of one another, hydrogen, C 1 -C 4 alkyl, or when taken together form an ethylene or propylene group in the presence of a transition metal catalyst to produce the 4-amino-5-fluoro-3-halo-6-(substituted)picolinate of Formula I.