Front matter
Reading edition
DISSERTATION
Presented for the Degree of Doctor of Philosophy at the Johns Hopkins University
by C. Willard Hayes, 1887.
CONTENTS
p.
Introduction 3.
I Ortho-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.
II Sulphonfluoresceïn—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.