On SulphonfluoresceIn and Some of Its Derivatives

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.

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