( 269 ) 



COJI 



84.0 



Cl 

 16.0 



COoII 

 91.3 f Ns.V 



Cl 



lil (lic siihjoiiied üiblc a iiuiiihci' of such ()l)servali()iis liave been 

 collected. By "diversion" is meant (he quotient of Hie (inantity of 

 the hyepi-odnci aeliially found and tiiat of tiie (|uan(ity calculated. 



Nitration of ^'";^^'"* f byeproduct 

 on '1ÜÜ parts of main prod. 



In the nitration of o-halo.iicnbenzoic acid and of o-dichh)r()i)cnzene 

 Ihe N().^-gTf)np in the l)ye|»roduc(s |»hices itself ^/(^//f/cv^/^no the hah>gen; 

 in that of the in-dic]ih)i'ol)enzene hdmceii the carboxA 1 and the 

 halogen. On com])arin<»' lli(> (Uversion ti,i>iircs of the directing- influence 

 of the hah)gen in these acids and (lihah)gen-coni|»()un(Is, those ofthe 

 nieta-coin[)ounds amount to about half of the orlho-compounds. This 

 is one of the many cases whicii show that liie introduction of a 

 snbstitnent l)et\veeii two otiiers meets with a pai'ticulai'ly great 

 resistance. 



Groninr/im, Tiab. Univei-s. Aug. '1904. 



