US 7,538,214 B2
2-(poly-substituted aryl)-6-amino-5-halo-4-pyrimidinecarboxylic acids and their use as herbicides
Jeffrey B. Epp, Noblesville, Ind. (US); Paul R. Schmitzer, Indianapolis, Ind. (US); James M. Ruiz, Zionsville, Ind. (US); Terry W. Balko, Greenfield, Ind. (US); Thomas L. Siddall, Zionsville, Ind. (US); and Carla N. Yerkes, Crawfordsville, Ind. (US)
Assigned to Dow AgroSciences LLC, Indianapolis, Ind. (US)
Filed on Oct. 09, 2007, as Appl. No. 11/973,543.
Application 11/973543 is a continuation of application No. 11/653021, filed on Jan. 12, 2007, granted, now 7,300,907.
Claims priority of provisional application 60/758671, filed on Jan. 13, 2006.
Prior Publication US 2008/0091016 A1, Apr. 17, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 239/48 (2006.01); C07D 239/50 (2006.01); C07D 401/04 (2006.01); A01N 43/54 (2006.01)
U.S. Cl. 544—329  [544/326; 504/239] 1 Claim
 
1. A compound of the formula I

OG Complex Work Unit Drawing
wherein
Q represents a halogen;
R1 and R2 independently represent H, C1-C6 alkyl, C3-C6 alkenyl, C3-C6 alkynyl, hydroxy, C1-C6 alkoxy, amino, C1-C6 acyl, C1-C6 carboalkoxy, C1-C6 alkylcarbamyl, C1-C6 alkylsulfonyl, C1-C6 trialkylsilyl or C1-C6 dialkyl phosphonyl or R1 and R2 taken together with N represent a 5- or 6-membered saturated ring; and
X represents halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 haloalkylthio or —NR3R4;
R3 and R4 independently represent H or C1-C4 alkyl; and
agriculturally acceptable derivatives of the carboxylic acid.