Sulphonation products of naphthalene, processes for their prepar

Details Sulphonation products of naphthalene, processes for their prepar Sulphonation products of naphthalene, processes for their prepar

1981-02-09

1986-07-15

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14324

Patent

active

046005420

ABSTRACT:
The invention concerns new sulfonation products of naphthalene, process for their preparation according to which naphthalene is sulfonated under special reaction conditions by sulfur trioxide in inert organic solvents. The new sulfonation products are used as intermediates e.g. for the production of naphthalene-1,5-disulfonic acid.

REFERENCES:
Comptes Rendus (Reports), vol. 182, 1926, pp. 856-857.
Houben-Weyl, "Methoden der Organischen Chemie", vol. 9 (1955) p. 502.
Chem. Abst., vol. 75 (1971) 129027s.

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