| 摘要 |
<p>A compound having the formula the formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="21" wi="49" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where R is C<Sub>1</Sub>-C<Sub>12</Sub> alkyl, C<Sub>5</Sub>-C<Sub>6</Sub> cycloalkyl, C<Sub>2</Sub>-C<Sub>13</Sub> alkoxyalkyl, C<Sub>7</Sub>-C<Sub>9</Sub> aralkyl, phenyl, naphthyl, phenyl substituted with F, Cl, Br, 1, C<Sub>1</Sub>-C<Sub>4</Sub> alkyl, C<Sub>1</Sub>-C<Sub>4</Sub> alkoxy, methylenedioxy, NR<Sup>3</Sup>R<Sup>4</Sup> wherein R<Sup>3</Sup> and R<Sup>4</Sup> are the same or different and are hydrogen or C<Sub>1</Sub>-C<Sub>6</Sub> alkyl, C<Sub>2</Sub>-C<Sub>5</Sub> alkoxycarbonyl, phenoxy, NO<Sub>2</Sub>, cyano, trihalomethyl or trihalomethoxy where halo is F, Cl or Br or benzyl substituted with F, Cl, Br, I, C<Sub>1</Sub>-C<Sub>4</Sub> alkyl, C<Sub>1</Sub>-C<Sub>4</Sub> alkoxy, methylenedioxy, C<Sub>2</Sub>-C<Sub>5</Sub> alkoxycarbonyl, carboxy, phenoxy, NO<Sub>2</Sub>, cyano, trihalomethyl or trihalomethoxy where halo is F, Cl or Br; R<Sup>1</Sup> and R<Sup>2</Sup> are the same or different and are C<Sub>1</Sub>-C<Sub>6</Sub> alkyl, C<Sub>3</Sub>-C<Sub>6</Sub> alkenyl, C<Sub>5</Sub>-C<Sub>6</Sub> cycloalkyl or R<Sup>1</Sup> and R<Sup>2</Sup> together are C<Sub>4</Sub>-C<Sub>8</Sub> alkylene or C<Sub>4</Sub>-C<Sub>8</Sub> oxydialkylene is disclosed.</p><p>Furthermore, a process for forming this compound by reacting a compound having the formula
<Chemistry id="chema02" num="0002"><Image id="ia02" he="21" wi="44" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein M is hydrogen or an alkali metal such as Li, Na or K and R has the meanings given above with a carbamoyl halide having the formula XCONR<Sup>1</Sup>R<Sup>2</Sup>, wherein X is chlorine or bromine and R<Sup>1</Sup> and R<Sup>2</Sup> have the meanings above is taught.</p><p>In addition, a method of controlling weeds, both preemergence and postemergence, using a herbicidally effective amount of the compound of this invention is set forth.</p><p>Finally, a composition is disclosed, comprising the compound of this invention and a carrier therefor.</p> |
