4-substituted pyridyl-3-carbinol compositions and a co-herbicide

Details 4-substituted pyridyl-3-carbinol compositions and a co-herbicide 4-substituted pyridyl-3-carbinol compositions and a co-herbicide

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".

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