Method of producing triazine derivatives

Details Method of producing triazine derivatives Method of producing triazine derivatives

C - Chemistry, Metallurgy

07

D

C07D 253/06 (2006.01) A01N 43/707 (2006.01) C07C 281/10 (2006.01) C07C 281/14 (2006.01) C07C 323/48 (2006.01) C07D 213/61 (2006.01) C07D 253/07 (2006.01) C07D 271/06 (2006.01) C07D 277/32 (2006.01) C07D 333/28 (2006.01) C07D 401/10 (2006.01) C07D 403/10 (2006.01) C07D 405/10 (2006.01) C07D 409/10 (2006.01) C07D 413/10 (2006.01) C07D 417/10 (2006.01)

Patent

CA 2174063

Disclosed is a method for producing a 1,2,4-triazin- 3-one derivative represented by the formula: Image (III) (wherein R1 is an optionally substituted hydrocarbon residual group; X stands for carbonyl group, thiocarbonyl group or an optionally substituted methylene group; and the dashed line means that a double bond may optionally be formed) by subjecting a semicarbazone derivative represented by the formula: Image (II) (wherein R1 is as defined above; R2 and R3 stand for hydrogen, an optionally substituted hydrocarbon residual group or an electron withdrawing group; and R4 stands for an optionally substituted alkyl group) to a ring-closure reaction. The 1,2,4-triazin-3-one is useful, for example, as medicine, veterinary drug or agricultural chemical.

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