Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1989-06-29
1991-08-06
Richter, Johann
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 88, 71106, 71107, 71111, 71121, 544162, 548175, 548262, 560 35, 564229, A01N 3308, A01N 3316, C07C 6996, C07D26530
Patent
active
050374672
ABSTRACT:
The present invention relates to amidoxime derivatives of the formula (I): ##STR1## wherein R.sub.1 is a C.sub.1-3 alkyl or allyl group, a methyl group substituted by chlorine or fluorine atom or ethoxycarbonyl or diethyldithiophosphate group, a phenoxymethyl group unsubstituted or substituted by chlorine atom, a C.sub.2 alkoxy or phenoxy group unsubstituted or substituted by chlorine atom or ethoxycarbonylethoxy group, a phenyl group unsubstituted or substituted by chlorine or fluorine atom, a benzyl group unsubstituted or substituted by chlorine atom, or a morpholine group; R.sub.2 is a phenoxymethyl or phenoxyethyl group substituted by chlorine atom, a phenyl group substituted by chlorine atom or methoxy group, or an ethoxy group. The compounds of the invention have a extremely high selectivity between paddy rice or crop plants and weeds and a strong activity on weeds. Moreover, the compounds have a very low phytotoxicity to paddy rice and crop plants.
REFERENCES:
patent: 3547621 (1970-12-01), Ralph et al.
Kim et al., Chem. Abstracts, vol. 102; 24541c (1985).
Cho Kwang Y.
Hong Kyung S.
Hwang In T.
Jeon Geun S.
Jeong In H.
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