| 摘要 |
<p>NEW MATERIAL:A compound expressed by formula I [R<1>-R<6> represent H, halogen, 1-4C alkyl, phenyl, etc.; X represents O or S; G represents H or halogen; A represents halogen or NO2; E represents H, halogen, NH2, OH, SH, CO2H, OR<7> (R<7> represents 1-3C alkyl, 2-4C alkenyl, etc.), CO2R<8> (R<8> represents 1-4C alkyl, 3-6C cycloalkyl, phenyl, etc.), SR<9> (R<9> represents 1-3C alkyl, 3-6C cycloalkyl, 2-4C alkonyl, etc.), substituted phenyl, etc.]. EXAMPLE:5-Methyl-9-(4-chloro-2-fluoro-5-isopropoxyphenylimino)-8-thia- 1,6- diazabicyclo[4.3.0]4-nonen-7-one. USE:A herbicide. PREPARATION:One equivalent thiosemicarbazone derivative expressed by formula II is reacted with 1-2 equivalents compound expressed by formula III at 0-200 deg.C for 30min-48hr.</p> |
