Preparation of esters of amidoalkanesulfonic acids

Details Preparation of esters of amidoalkanesulfonic acids Preparation of esters of amidoalkanesulfonic acids

1974-04-15

1976-06-01

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260513N, C07C14368

Patent

active

039609189

ABSTRACT:
Esters of amidoalkanesulfonic acids are prepared by bringing the acid into contact with sulfur trioxide and subsequently adding an organic hydroxy compound which may be an alcohol or phenol and is preferably an alcohol. The sulfur trioxide is ordinarily furnished by fuming sulfuric acid (oleum). In a preferred embodiment, the amidoalkanesulfonic acid is prepared in situ from a nitrile, an olefin and fuming sulfuric acid, and the fuming sulfuric acid used in the preparation of the acid also furnishes the sulfur trioxide for the ester formation. The esters derived from unsaturated amides are useful monomers, especially for copolymerization with acrylic compounds to produce polymers of improved dyeability.

REFERENCES:
patent: 3235549 (1966-02-01), Broussalian
patent: 3274231 (1966-09-01), Kobayashi
patent: 3544597 (1970-12-01), Killam

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