公开(公告)号：US5670656A

公开(公告)日：1997-09-23

申请号：US651181

申请日：1996-05-24

申请人： John Michael Cox ,  Kevin James Gillen ,  Russell Martin Ellis ,  Shaheen Khatoon Vohra ,  Stephen Christopher Smith ,  Ian Richard Matthews

发明人： John Michael Cox ,  Kevin James Gillen ,  Russell Martin Ellis ,  Shaheen Khatoon Vohra ,  Stephen Christopher Smith ,  Ian Richard Matthews

IPC分类号： C07D207/26 ,  C07D207/273 ,  C07D207/28

CPC分类号： C07D207/273

摘要： A process for the preparation of a compound of general formula II: ##STR1## wherein R.sup.1 is hydrogen, or C.sub.1 -C.sub.10 hydrocarbyl or heterocyclyl having 3 to 8 ring atoms, either of which may optionally be substituted; each R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is independently hydrogen or C.sub.1 -C.sub.4 alkyl; A is an optionally substituted aromatic or heteroaromatic ring system; and R.sup.21 is hydrogen, halogen, OH or OCONHR.sup.1, wherein R.sup.1 is as defined above; the process comprising cyclizing a compound of general formula III: ##STR2## wherein A, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.21 are as defined in general formula II and R.sup.25 is a leaving group such as a halogen atom; under basic conditions.

摘要翻译： 制备通式II化合物的方法：其中R 1是氢，或C 1 -C 10烃基或具有3至8个环原子的杂环基，其中任一个可任选地被取代; 每个R 2，R 3，R 4和R 5独立地是氢或C 1 -C 4烷基; A是任选取代的芳族或杂芳族环系; 并且R 21是氢，卤素，OH或OCONHR 1，其中R 1如上所定义; 该方法包括使通式III的化合物：其中A，R 2，R 3，R 4，R 5和R 21如通式II中所定义，R 25是离去基团如卤素原子; 在基本条件下

公开(公告)号：US5922644A

公开(公告)日：1999-07-13

申请号：US314481

申请日：1994-09-28

申请人： John Michael Cox ,  Peter Bellini ,  Roger Barrett ,  Russell Martin Ellis ,  Timothy Robert Hawkes

发明人： John Michael Cox ,  Peter Bellini ,  Roger Barrett ,  Russell Martin Ellis ,  Timothy Robert Hawkes

IPC分类号： A01N57/24 ,  A01N57/36 ,  C07D249/08 ,  C07F9/40 ,  C07F9/6518 ,  C07F9/6571

CPC分类号： C07D249/08 ,  A01N57/24 ,  C07F9/4015 ,  C07F9/65182 ,  C07F9/657181

摘要： A herbicidal compound of formula (I) ##STR1## or a salt, tautomer or cyclic derivative thereof; where R.sup.1 and R.sup.2 are hydrogen and A is an optionally substituted saturated or unsaturated chain or ring of three carbon atoms.Methods for preparing these compounds, intermediates used in the preparation and herbicidal compositions containing them are also described and claimed.

摘要翻译： 式（I）的除草化合物或其盐，互变异构体或环状衍生物; 其中R 1和R 2是氢并且A是任选取代的具有三个碳原子的饱和或不饱和链或环。 还描述和要求保护制备这些化合物的方法，用于制备的中间体和含有它们的除草组合物。