| 摘要 |
<p>Novel trisubstituted benzoic acid intermediates which are useful in the preparation of certain herbicidal 2-(2,3,4- trisubstituted benzoyl)-1,3-cyclohexanediones. The intermediate benzoic acids of this invention have the following structural formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="21" wi="56" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>6</Sup> is chlorine, C<Sub>1</Sub>-C<Sub>4</Sub> alkoxy, C<Sub>1</Sub>-C<Sub>4</Sub> alkylthio or hydroxy; n is the integer 0 or 2; and R<Sup>7</Sup> is C<Sub>1</Sub>-C<Sub>4</Sub> alkyl.</p> |
