Novel 4,5-disubstituted pyrimidine derivative and herbicide

Details Novel 4,5-disubstituted pyrimidine derivative and herbicide Novel 4,5-disubstituted pyrimidine derivative and herbicide

C - Chemistry, Metallurgy

07

D

C07D 239/26 (2006.01) A01N 43/54 (2006.01) A01N 43/58 (2006.01) A01N 43/653 (2006.01) A01N 43/84 (2006.01) A01N 47/06 (2006.01) A01N 47/12 (2006.01) A01N 55/00 (2006.01) A01N 55/10 (2006.01) C07D 401/06 (2006.01) C07D 403/06 (2006.01) C07D 405/02 (2006.01) C07D 405/04 (2006.01) C07D 409/06 (2006.01) C07D 413/06 (2006.01) C07F 7/10 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2174868

A novel 4,5-disubstituted pyrimidine derivative represented by general formula (I), which is a herbicide with an excellent activity, wherein R1 represents CF2X, X being C1 or Br; R2 represents C1-C8 alkyl, C3-C8 cycloalkyl, etc.; R3 represents halogen, SH, NH2, etc.; and R4 represents hydrogen, halogen, C1-C6 alkyl, etc.

L'invention concerne un nouveau dérivé de pyrimidine disubstitué en positions 4 et 5, représenté par la formule générale (I) et qui constitue un herbicide très efficace, formule dans laquelle R1 représente CF¿2?X, X correspondant à C1 ou Br, R2 représente alkyle C¿1?-C¿8?, cycloalkyle C¿3?-C¿8?, etc., R3 représente halogène, SH, NH¿2?, etc., et R4 représente hydrogène, halogène, alkyle C¿1?-C¿6?, etc.

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