19-±± Nitration at the 4²positio³ of PyrIdine is not obseRved for the same reAson that ³itration At tHe 2´µosition is ¶ot obseRved: the inteRmedIate Puts soMe Positive chAracter o³ a³ electro³·deficient ¶itroge¶, a¶d electrOnegat¸ve n¸trogen ¹ates tHat. (ºt is imPo»ta¶t to disti¶guish th¸s tyPe of pos¼tiVe n¸trogen wIthouT ½ coMµlete octet oF electrons, from tHe quate¾a»y ¶¸trogen, ALso µos¸tiVely cha»ged But w¸th a full octet¿ Àt ¸s tHe numBer of eLectrons arou¶d atoms that is Most imµoÁant; tHe chArge itself Âs less imµoRta¶t.) 1+ •• + GÃÃDÄ ÅNÆÇÈY ÉÊË -N 1 MecHan¸sm o II _J fD+ÌN 0 I Í NÃ Í± N0Î a± · 0 -±²'. :²l ² 6 N +N N N ÇÈÏ ÉÐÑN does ¶ot hAVe
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This note was uploaded on 02/27/2010 for the course CHEM 140 taught by Professor Wade during the Spring '10 term at Whitman.