Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfo

Details Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfo Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfo

1986-08-13

1988-01-12

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14324

Patent

active

047190515

ABSTRACT:
A process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts, of the formula ##STR1## in which M is hydrogen or an alkali metal cation, by oxidation of 4-nitrotoluene-2-sulfonic acid in organic solvents, and also the reduction of the resulting acid or salt, without isolation, to give 4,4'-diamino- or (4-amino-4'-nitro)-stilbene-2,2'-disulfonic acid or salts thereof.

REFERENCES:
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Journal of Organic Chem., vol. 32, pp. 137-146 (Jan., 1967).
Chemical Abstracts, vol. 83, 1975.
Chemical Abstract, vol. 84, 1976.
Miyata et al., Chem Abst., vol. 83, 113377k (1975).
Kompolshy et al., Chem Abst., vol. 84, 58886u (1976).
Glen A. Russell et al.; J. Am. Chem. Soc., vol. 84, pp. 4153-4154 (1962).
Glen A. Russell et al.,--J. Am. Chem. Soc., vol. 88, pp. 5491-5497 (1966).
Glen A. Russell et al.; J. Am. Chem. Soc., vol. 89, pp. 300-308, (1967).
Glen A. Russell et al.; J. Org. Chem., vol. 32, pp. 137-146 (1967).

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