Herbicidal pyridinesulfonylureas

申请公布号：GR3021652(T3)

申请号：GR19960403023T

申请日期：1996.11.14

申请公布日期：1997.02.28

申请人：

E.I. DU PONT DE NEMOURS AND COMPANY

发明人：LIANG, PAUL HSIAO-TSENG

分类号：C07D491/048;A01N47/36;A01P13/00;C07D213/71;C07D213/85;C07D239/42;C07D239/47;C07D239/48;C07D251/44;C07D251/46;C07D251/48;C07D401/12;C07D405/14;C07D409/14;C07D491/052;C07D521/00;(IPC1-7):C07D301/12;C07F9/58

主分类号：C07D491/048

摘要：Pyridinesulfonylureas of general formula: <CHEM> wherein J is a substituted pyridyl group; W is O or S; R is H or CH3; A is a mono- or bicyclic heterocyclic group, e.g. pyrimidinyl or triazinyl; and their agriculturally suitable salts show high activity as preemergence and postemergence herbicides. some also show a plant growth regulant effect. The novel compounds may be made e.g. by reacting an appropriate pyridine sulfonamide JSO2NH2 with an appropriate heterocyclic phenyl carbamate:- <CHEM> t

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