Process for the preparation of 1-aminobenzene-2-sulphonic acids

Details Process for the preparation of 1-aminobenzene-2-sulphonic acids Process for the preparation of 1-aminobenzene-2-sulphonic acids

1983-06-08

1985-10-22

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260509, 260510, 260465E, 568 25, 568 67, 548260, C07C14358

Patent

active

045487618

ABSTRACT:
Process for the preparation of 1-aminobenzene-2-sulphonic acids of the formula ##STR1## wherein R.dbd.H or a substituent and

REFERENCES:
patent: 2642458 (1953-06-01), Erickson
patent: 3038932 (1962-06-01), Hardy et al.
patent: 3329708 (1967-07-01), Berger
patent: 3670002 (1972-06-01), Sheng et al.

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