Easy Aromatic Iodination Reference , Hive Chemistry Discourse
 
    foxy2 (Distinctive Doe) 12-03-01 02:05 No 243395
      Easy Aromatic Iodination Reference </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243395&Number=243395&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> It is the second article listed.<br><a href="http://www.kcsnet.or.kr/publi/bul/bu98n4/bu98n4.html#bu98n4-2" target="_blank" title="Jump to this external site">http://www.kcsnet.or.kr/publi/bul/bu98n4<wbr>/bu98n4.<wbr>html#bu9<wbr>8n4-2</a><br><br>Or here is the link<br><a href="http://www.kcsnet.or.kr/publi/bul/bu98n4/400.pdf" target="_blank" title="Jump to this external site">http://www.kcsnet.or.kr/publi/bul/bu98n4<wbr>/400.pdf<wbr></a><br><br><hr>Do Your Part To Win The War </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post243557"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> hest<br> <i>(<span title="The user's title at the time of posting">Hive Bee</span>)</i><br> <span title="Posting date">12-03-01 12:58</span><br> <span title="Link to this post by using the markup [243557]">No 243557</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <title>Re: Easy Aromatic Iodination Reference </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243557&Number=243557&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> My ekspirience with this method is not that greath. Did it on 1,4-dimethoxybenzene, ended up with the non iodide, mono-iodide and di-iodide in equal amounts. <img src="../forum/images/icons_lightgrey/frown.gif" alt="frown" title="Frown" heigth="15" width="15"> </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post243559"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> <font color="#FF0033">Rhodium</font><br> <i>(<span title="The user's title at the time of posting">Chief Bee</span>)</i><br> <span title="Posting date">12-03-01 13:04</span><br> <span title="Link to this post by using the markup [243559]">No 243559</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Re: Easy Aromatic Iodination Reference</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243559&Number=243559&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> I guess that ring is too activated (two positions para to methoxy). Try it on 2,5-dimethoxybezaldehyde, and let it react long enough for the only substitutable position to be fully iodinated. That procedure should not produce any side-reactions. <br><br>The procedure is archived on my page under aromatic halogenation in the Phenethylamine section. </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post243694"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> hest<br> <i>(<span title="The user's title at the time of posting">Hive Bee</span>)</i><br> <span title="Posting date">12-03-01 20:07</span><br> <span title="Link to this post by using the markup [243694]">No 243694</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Re: Easy Aromatic Iodination Reference</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243694&Number=243694&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> You are prob. right.<br>When I iodinate 1,4-DMB i mix one mole 1,4-DMB one mole I2 and one mole AgNO3 in methanol, let it stear for 6-8 hours and work up. Works greath (it also works on 2,5-dmba yeald app.80%) </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post243696"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> <font color="#FF0033">Rhodium</font><br> <i>(<span title="The user's title at the time of posting">Chief Bee</span>)</i><br> <span title="Posting date">12-03-01 20:09</span><br> <span title="Link to this post by using the markup [243696]">No 243696</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Re: Easy Aromatic Iodination Reference</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243696&Number=243696&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> AgNO3 is not necessary, and probably makes the iodination even more powerful. The reference uses NaNO3 with good results, which is orders of magnitude cheaper. </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post243702"></a><a name="last"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> hest<br> <i>(<span title="The user's title at the time of posting">Hive Bee</span>)</i><br> <span title="Posting date">12-03-01 20:19</span><br> <span title="Link to this post by using the markup [243702]">No 243702</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Re: Easy Aromatic Iodination Reference</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=243702&Number=243702&page=85&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> Yep, but AgNO3 works cleaner, and you can recycle the AgI to AgNO3 and use it again.<br>I'v tryet som diff. routhes to the iodide. Just iodine wont work, Iodine and H2O2 and H2SO4 did'nt work either.<br>ICl works ok, but you gets some off the Cl product too.<br>And by the way, it is werye small amounts off KNO3 you have to add in that article, but i guess too much wont doo annye harm. <br>But i guess its rather academic. Why not just brominate if you want to turn 1,4 to the more fun aldehyde (via Grinard). </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> </body> </html>