| 发明名称 |
PROCEDEU PENTRU PREPARAREA UNOR 3-(1,3,4-TIADIAZOL-2-IL)-5-HIDROXIHIDANTOINE-5-ACILATE |
| 摘要 |
<p>1445911 Thiadiazolylhydantoins BAYER AG 11 Jan 1974 [13 Jan 1973] 01372/74 Heading C2C The invention comprises compounds (I) where R is alkyl, haloalkyl, alkylmercapto or alkylsulphonyl; R<SP>1</SP> is alkyl; and R<SP>2</SP> is alkylcarbonyl, alkoxycarbonyl, alkylcarbamoyl or optionally substituted arylcarbonyl; their preparation by reacting a compound (II) with a halide R<SP>3</SP>COHal, where R<SP>3</SP> is alkyl or alkoxy and Hal is halogen; an iso-cyanate R<SP>4</SP>-N=C=O, where R<SP>4</SP> is alkyl or a carboxylic anhydride R<SP>4</SP>CO.O.COR<SP>4</SP>; a herbicidal composition comprising the compounds (I) and a suitable diluent ; and a method of combating weeds by applying a compound (I), alone or as a composition, to the weeds or their habitat.</p> |
| 申请公布号 |
RO65648(A) |
申请公布日期 |
1980.06.15 |
| 申请号 |
RO19740077198 |
申请日期 |
1974.01.05 |
| 申请人 |
BAYER AG,DE |
发明人 |
METZGER,KARL,DE;EUE,LUDWIG,DE;SCHMIDT,ROBERT R.,DE |
| 分类号 |
A01N43/824;A01P13/00;C07D233/72;C07D417/04;(IPC1-7):07D285/12 |
主分类号 |
A01N43/824 |
| 代理机构 |
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