Picolinic acid derivatives and herbicidal compositions

Details Picolinic acid derivatives and herbicidal compositions Picolinic acid derivatives and herbicidal compositions

1987-04-13

1989-05-23

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544225, 544300, 544310, 544316, A01N 4348, C07D40112

Patent

active

048327298

ABSTRACT:
A picolinic acid derivative having the formula: ##STR1## wherein R is a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an alkali metal atom, an alkaline earth metal atom, an alkylammonium group or ##STR2## [wherein R.sup.11 is a hydrogen atom or an alkyl group, R.sup.12 is an alkoxycarbonyl group, a cyano group, a halogen atom, an acetyl group, a pivaloyl group, a benzoyl group, an alkoxy group, a phenoxy group, a halogenoacetyloxy group, a methylsulfonyloxy group, a hydroxyl group, an alkylthio group, an alkylsulfonyl group, a phenylthio group, a dialkylamino group, a naphthyl group, a pyridyl group, ##STR3## (wherein W is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a phenoxy group, a nitro group or an alkoxycarbonyl group, and e is 1 or 2) or ##STR4## (wherein each of R.sup.3 and R.sup.4 which may be the same or different, is a hydrogen atom, an alkyl group, an alkenyl group or a phenyl group), and m is an integer of from 0 to 2], each of R.sup.1 and R.sup.2 which may be the same or different, is a halogen atom, a lower alkyl group, a lower alkoxy group or a lower haloalkoxy group, X is a hydrogen atom, a halogen atom or a lower alkyl group, Z is a methine group or a nitrogen atom, and n is 0 or 1, or a salt thereof.

REFERENCES:
patent: 4427437 (1978-01-01), Serban et al.
Chemical Abstracts, vol. 93, No. 15, Oct. 13, 1980, Columbus, Ohio, USA Kijima, Teruomi; Oto, Takao (Sankyo Co., Ltd.) "2-Phenoxypyrimidine derivatives" p. 722, column 1, abstract-No. 150-268c & Jpn. Kokai Tokkyo Koho 79 117 486.
Chemical Abstracts; vol. 95, No. 7, Aug. 17, 1981, Columbus, Ohio USA Jojima, Teruomi; Takeshiba, Hideo; Kinoto, Takao; Kondo, Yasuhiko.
"Regioselective sysnthesis of 4-aryloxy-2-chloropyrimidines and their herbicidal activity" p. 713, column 2, abstract-No. 62 115m & Sankyo Kenkyusho Nempo 1980, 32, 114-20.
"Syntheses and Herbicidal Activities of Phenoxypyrimidines and Phenoxytriazines", Agr. Biol. Chem. vol. 30, No. 9, pp. 896-905, 1966.

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