Plant protecting and regulating compositions – Plant growth regulating compositions – Plural active ingredients
Patent
1994-05-02
1996-12-17
Davis, Zinna Northington
Plant protecting and regulating compositions
Plant growth regulating compositions
Plural active ingredients
504130, 544 60, 544124, 546261, 546286, 546288, 546290, 546294, 546296, 546297, 546301, 546302, 546304, 546343, 546266, 546267, 5462834, 546 22, C07D21316, A01N 4340
Patent
active
055853277
ABSTRACT:
4-substituted pyridyl-3-carbinols of the formula ##STR1## wherein R is hydrogen, or an acyl, alkyl or carbamyl group exhibit desirable preemergent and postemergent herbicidal activity. Also disclosed are herbicidal compositions comprising such compounds and methods of controlling undesirable vegetation employing such compounds. The compounds wherein AR is hydroxyl serve as useful intermediates for the production of the alpha-benzyl substituted compounds as well as exhibiting herbicidal activity.
REFERENCES:
patent: 4116665 (1978-09-01), Krumkalns
patent: 4407806 (1983-10-01), Cherpeck
patent: 5055476 (1991-10-01), Effland et al.
patent: 5308826 (1994-05-01), Chin et al.
Radinov et al., "Synthesis of 4-Amino-3-pyridinyl and 4-Amino-5-pyrimidinyl Aryl Ketones and Related Compounds via an ortho Lithiation Reaction", Synthesis, pp. 886-891, Nov. 1986.
Marsais et al., "Directed Lithiation of 4-Halopyridines: Chemo-selectivity, Regioselectivity and Application to Synthesis", J. Het. Chem., 25, pp. 81-87, Jan.-Feb. 1988.
Chemical Abstracts, vol. 93, No. 21, Nov. 24, 1980, Abstract No. 199233b, E. V. Krumkalns, "Composition for Inhibiting the Growth of Injurious Aquatic Weeds".
Chin Hsiao-Ling
Dagarin Derek P.
Ensminger Michael P.
Nguyen Nhan H.
Wei Yi-Qiu
Davis Zinna Northington
Snyder Joseph R.
Thomson Marian T.
Zeneca Limited
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