Process for the preparation of N-acetylaminoarylsulfonic acids i

Details Process for the preparation of N-acetylaminoarylsulfonic acids i Process for the preparation of N-acetylaminoarylsulfonic acids i

1983-05-17

1984-12-11

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260543R, C07C14358, C07C14360

Patent

active

044877250

ABSTRACT:
The invention relates to salt-free N-acetylaminoarylsulfonic acids, their preparation by acetylation with acetic anhydride or acetyl chloride, sulfuric acid, which can also contain a small amount of water and/or dimethylformamide and/or N-methylpyrrolidone, serving as the solvent, and the use of the N-acetylaminoarylsulfonic acids for the preparation of their acid chlorides.

REFERENCES:
Donaldson, "The Chemistry and Technology of Naphthalene Compound", Edward Arnold (Publishers) Ltd., London, 1958, p. 334.
Sandler et al., "Organic Functional Preparations", Academic Press, New York, vol. I, 1968, pp. 274-282.

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