OF THK 



UNIVERSITY 



x 



3. Compounds Containing Sulphur. 



Mercaptans Sulpho-compounds Sodium isethionate - 

 Methyl-sulphuric acid Potassium-trichlorrmethyl sul- 

 phate Potassium-trichlor-methyl sulphonate Ethyl- 

 sulphuric acid Potassium-isoamyl sulphate Potassium 

 xanthate Dimethyl-dithiocarbamic acid 47~49 



Thiophene 49 



II. 



ELECTROLYSIS AND ELECTROSYNTHESIS OF 

 AROMATIC COMPOUNDS. 



i. Phenols. 

 Phenol Phenyl-mercaptan -51-53 



2. Aldehydes and Ketones. 



Benzaldehyde Michler's ketone Aceto-phenone Benzile 



Anthraquinone . 54~56 



(Nitro-aldehydes and ketones, see Nitro-Compounds.) 

 3. Acids. 



Benzoic acid Thio-benzoic acid Sulpho-benzoic acid 

 Phthalic acid Ethyl-potassium phthalate Phenyl-acetic 

 acid Cinnamic acid Benzyl-malonic acid 56-58 



4. Amido-Compounds. 

 Aniline, electrolytic products of 59-60 



INVESTIGATIONS OF GOPPELSROEDER. 



Preparation of aniline black from aniline; naphthylamine 

 violet from naphthylamine salts; alizarine from anthra- 

 quinone Toluidene Methyl-aniline Diphenylamine 

 Methyl-diphenylamine Naphthylamine 60-62 



Preparation of rosaniline, crysaniline, safranine, and p-lenk- 

 aniline Acetanilide Amido-hydroquinone Prepara- 

 tion of p-phenylene-diamine Electrolysis of benzene 

 p-phenylene-diamine 62-63 



5. Electrolytic Reduction of Nitro-Compounds. 



Nitro-benzene Nitro-phenol N it ro-benzene-sul phonic acid 

 o-Nitro-toluidene Dinitro-benzene o-p-Dinitro-tol- 

 uene p - Nitro-o- toluidene m - Nitro- ben zoic acid 



