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Novel sulfonylurea derivative

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专利汇可以提供Novel sulfonylurea derivative专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A compound of formula I [R
1 is azide, formula IV (R
4 , R
5 are H, 1W3C alkyl); X, Y are 1W3C alkyl and alkoxy, Cl; Z is N, CH; R
2 , R
3 are the same as R
4 , R
5 .
EXAMPLE: 2-( 2-Azideethoxy )-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-aminocar bonyl]benzenesulfonamide.
USE: An active ingredient of herbicides. It manifests a wide range of herbicidal spectrum by soil of foliage treatment. Further it showed satis-factory effect with a reduced does without chemical damage to crops, especially corn, wheat, rice plant and other major with high selectivity.
PREPARATION: For example, a compound of formula II is allowed to react with another compound of formula III in an inert solvent such as acetonitrile in the presence of a base catalyst such as 1,4-diazabicyclo[2.2.2]octane to give the compound of formula I.
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