C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/328, 260/359
C07D 309/32 (2006.01) A01N 43/04 (2006.01) A01N 43/16 (2006.01) A01N 43/18 (2006.01) C07D 335/02 (2006.01)
Patent
CA 1291761
CERTAIN SUBTITUTED 4-BENZOYL-3,5-DIOXOTETRAHYDROPYRANS AND -THIOPYRANS Abstract of the Disclosure Compounds of the formula Image wherein X is oxygen, sulfur or sulfonyl; R is halogen; C1-C2 alkyl; C1-C2 alkoxy; nitro; cyano; C1-C2 haloalkyl; or RaSOm- wherein m is 0 or 2 and Ra is C1-C2 alkyl; R1 is hydrogen or C1-C4 alkyl; R2 is hydrogen or C1-C4 alkyl; or R1 and R2 together are alkylene having 2 to 5 carbon atoms; R3 is hydrogen or C1-C4 alkyl; R4 is hydrogen or C1-C4 alkyl; or R3 and R4 together are alkylene having 2 to 5 carbon atoms; R5 and R6 independently are (1) hydrogen; (2) halogen; (3) C1-C4 alkyl; (4) C1-C4 alkoxy; (5) trifluoromethoxy; (6) cyano; (7) nitro; (8) C1-C4 haloalkyl; (9) RbSOn- wherein n is the integer 0, 1 or 2; and Rb is (a) C1-C4 alkyl; (b) C1-C4 alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NRcRd wherein Rc and Rd independently are hydrogen or C1-C4 alkyl; (11) ReC(O)- wherein Re is C1-C4 alkyl or C1-C4 alkoxy; or (12) -SO2NRcRd wherein Rc and Rd are as defined; and (13) -N(Rc)C(O)Rd wherein Rc and Rd are as defined and their salts are useful as herbicides.
539098
Carter Charles Garvie
Curtis Jeff Kimo
Barlow Charles Brian
Zeneca Ag Products Inc.
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