Preparation of amidosulfonic acids

Details Preparation of amidosulfonic acids Preparation of amidosulfonic acids

1979-11-26

1981-04-07

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14386

Patent

active

042605598

ABSTRACT:
Amidosulfonic acids are prepared by reacting ureas with oleum of a particular composition, first at a low temperature and then at a higher temperature, in the presence of an organic solvent. The products are starting materials for the preparation of dyes and pesticides.

REFERENCES:
patent: 3041336 (1962-06-01), Teufel
patent: 3555081 (1971-01-01), Zirner et al.
patent: 3708277 (1973-01-01), Zeidler et al.
patent: 3822257 (1974-07-01), Hamprecht et al.
patent: 3872167 (1975-03-01), Hamprecht et al.
patent: 3883509 (1975-05-01), Fischer et al.
Bieber, JACS, 75, 1405, 1409, (1953).
Ullmans Encyklopadie der Technischen Chemie, vol. 15, (1964), pp. 465-467.
Houben-Weyl, Methoden der Organischen Chemie, vol. VI/2, (1963), pp. 455-457.
Ibid, vol. IX, (1955), pp. 503-508.
Ibid, vol. XI/2, (1958), pp. 654-655.

Affiliated with

Also associated with

Rating

Preparation of amidosulfonic acids does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of amidosulfonic acids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of amidosulfonic acids will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-288634