Method for producing arylsulphonic acid isocyanates

Details Method for producing arylsulphonic acid isocyanates Method for producing arylsulphonic acid isocyanates

2005-09-27

2005-09-27

Richter, Johann (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

C560S347000, C560S358000

Reexamination Certificate

active

06949672

ABSTRACT:
The present invention relates to a process for preparing arylsulfonyl isocyanates by reacting an arylsulfonamide with phosgene in the presence of a catalytically effective amount of an alkyl isocyanate.

REFERENCES:
patent: 4379769 (1983-04-01), Levitt
patent: 021 641 (1981-01-01), None
patent: 1 359428 (1974-07-01), None
patent: 199606826 (1996-03-01), None
Ulrich et al., Angew. Chem. 78, pp. 761-769 (1966).
Pestycydy 1989, (4), 1-7; ISSN: 0208-8703.
Res. Discl. (1983), 23210, p. 261; ISSN: 0374-4353.
Journal of Polymer Science, vol. 13 (1975), p. 267-268.
Database WPI, Sec. CH., Week 198335, Derwent Publications Ltd., London, GB, AN 1983-751010, XP 002227467.

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