On Sulphonfluoresceïn and some of its Derivatives
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ON SULPHONFLUORESCEÏN AND SOME OF ITS DERIVATIVES.
Introduction.
Ortho-sulpho-benzoic acid: Methods for its preparation.
1. From toluene and H2SO4.
2. From p-nitro-toluene and H2SO4.
Oxidation of toluene-o-sodium sulphonate.
Formation of Sulphinide from toluene-o-sodium sulphonate.
Formation of Sulphinide from Toluene by means of the chlorsulphonic acid reaction.
Formation of Orthosulphobenzoic acid from Sulphinide.
Sulphonfluoresceïn.
Preparation of Sulphonfluoresceïn.
Properties of S.fluoresceïn.
Salts of sulphonfluoresceïn.
Barium salt.
Calcium Salt.
Barium salt.
Calcium Salt.
Acetyl derivative of S.fluoresceïn.
Bromine substitution products of S-fluoresceïn.
Action of H2SO4 on S.fluoresceïn.
Action of HCl on S.fluoresceïn.
Reduction of S.fluoresceïn.
Conclusion.
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