ON
SULPHONFLUORESCEÏN
AND SOME OF ITS DERIVATIVES.

DISSERTATION

Presented for the Degree
of
Doctor of Philosophy
at the
Johns Hopkins University

by
C. Willard Hayes,
1887.


p.
Introduction[ 3.]
IOrtho-sulpho-benzoic acid.
Preparation from toluene and H2SO4[ 7.]
   ”   ” para-nitro-toluene and H2SO4[ 8.]
Oxidation  of  toluene - o - sodium sulphonate[12.]
Preparation of Sulphinide from ”   ”[14.]
  ”   ”   ”  by chlorsulphonic acid.[17.]
Conversion of sulphinide into o-sulphobenzoic acid.  [25.]
Analysis of and crystallography of  ”  ”   ”[28.]
IISulphonfluoresceïn—previous attempts[29.]
Preparation and purification of s-fluoresceïn[30.]
Analyses of          ”[34.]
Properties of          ”[35.]
Salts. Ba. and Ca. of       ”[37.]
Acetyl derivative of        ”[41.]
Br substitution products of    ”[42.]
Action of H2SO4 on       ”[44.]
Action of HCl on         ”[45.]
Reduction of          ”[46.]
Conclusion.[47.]

On Sulphonfluoresceïn and some of its Derivatives.