Phenoxy-phenoxypropionic acid esters

Chemistry: fertilizers – Processes and products – Forms or conditioning

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71 92, 71 94, 71 95, 71 98, 71103, 71108, 71109, 26032643, 2603409R, 2603474, 26034849, 544171, 544399, 546239, 546342, 560 20, 560 33, 560 62, 560 63, A01N 924, A01N 928, C07C 6976, C07D30724

Patent

active

041759478

ABSTRACT:
Phenoxy-phenoxypropionic acid derivatives of the formula ##STR1## wherein R is hydrogen or halogen, and R.sub.1 is substituted alkyl, cyclohexenyl, phenylalkenyl or (substituted) alkinyl, are interesting selective herbicides having a special activity against weed grasses. They are obtained for example by reaction of corresponding phenoxypropionic acid halides with hydroxy compounds of the formula HO--R.sub.1.

REFERENCES:
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patent: 3954442 (1976-05-01), Becker et al.
patent: 3968143 (1976-07-01), Schacht et al.
patent: 4070177 (1978-01-01), Nishiyama et al.
patent: 4070178 (1978-01-01), Johnson et al.
Troesken et al., Chemical Abstracts, vol. 84 (1976), 116,948d.
Takahashi et al., Chemical Abstracts, vol. 84 (1976) 164,453k.

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