A Further Investigation of the
Symmetrical Chloride of
Paranitroorthosulphobenzoic Acid.


Dissertation.

Submitted to the Board of University
Studies of the Johns Hopkins University
for the Degree of Doctor of Philosophy.

— by —

William E. Henderson.

1897


Acknowledgment.

The author esteems it a privilege as well as a pleasure to giveexpression to his sincere sense of gratitude to Prof. Remsen,underwhose guidance this work was carried on not only for instructionreceived in the lecture room, but for his frequent suggestion, and hisconstant and friendly interest in the work as it progressed. These haveat all times been an encouragement and an incentive.

He wishes also to express his appreciation of the instruction andkindly guidance in the laboratory, of Drs. Morse and Renouf, as well asof Dr. Ames of the Physical Laboratory.


Contents.

I.Introduction.Page 1
II.Preparation of the Acid Potassium Salt 
 of Paranitroorthosulphobenzoic Acid. 6
III.Preparation of the Symmetrical Chloride 
 of Paranitroorthosulphobenzoic Acid.12
IV.Properties of the Symmetrical Chloride 
 of Paranitroorthosulphobenzoic Acid.19
V.The Action of Benzene and Aluminium 
 Chloride on the Symmetrical Chloride 
 of Paranitroorthosulphobenzoic Acid.22
 The Barium Salts of 
 Paranitroorthobenzoybbenzenesulphonic Acid.24
VI.The Action of Alcohols on the Symmetrical Chloride 
 of Paranitroorthosulphobenzoic Acid.30
 1. Methyl Alcohol.31
 2. Ethyl Alcohol.32
 Action of Ethyl Alcohol on the Unsymmetrical 
 ...

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