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The title compound 5,7-dimethoxy-(2,4-dichlorophenoxyacetylimino)-2H-1,2,4- thiadiazolo[2,3-a]pyrimidine has been synthesized. In order to investigate the relationship between the structure and herbicidal activity of the target compound, we report its crystal structure and herbi- cidal behavior in the present paper. Crystallographic data: C15H12N4O4Cl2S, Mr = 415.25, mono- clinic, space group P21/n, a = 10.7361(8), b = 11.9610(9), c = 13.0990(10) ?, β = 96.988(2)o, Z = 4, V = 1669.6(2) ?3, Dc = 1.652 g/cm3, F(000) = 848, R = 0.0394, wR = 0.0797 and μ(MoKα) = 0.545 mm-1.
The title compound 5,7-dimethoxy- (2,4-dichlorophenoxyacetylimino) -2H-1,2,4-thiadiazolo [2,3-a] pyrimidine has been synthesized. In order to investigate the relationship between the structure and herbicidal activity of the target compound, we report its crystal structure and herbi-cidal behavior in the present paper. Crystallographic data: C15H12N4O4Cl2S, Mr = 415.25, mono- clinic, space group P21 / n, a = 10.7361 (8), b = 11.9610 , D = 1.652 g / cm3, F (000) = 848, R = 0.0394, C = 13.0990 (10) ?,? = 96.988 (2) o, Z = 4, V = 1669.6? wR = 0.0797 and μ (MoKα) = 0.545 mm-1.