Process for the preparation of a substituted 2-amino-1-sulphonap

Details Process for the preparation of a substituted 2-amino-1-sulphonap Process for the preparation of a substituted 2-amino-1-sulphonap

1994-09-27

1996-03-26

Higel, Floyd D.

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

Organic compounds

Azo

534632, 534887, 534581, 544 76, 544208, C09B 62085, C09B 6209, C09B 1900, C07D25150

Patent

active

055021735

ABSTRACT:
2,4,6-trifluoro-5-chloro-pyrimidine and the aqueous solution of a salt of 2-amino-5-aminomethyl-naphthalene-1-sulphonic acid are simultaneously metered into a reactor in approximately equimolar amounts and afford a valuable intermediate for the preparation of high-purity dyes.

REFERENCES:
patent: 4126609 (1978-11-01), Jager
patent: 4189576 (1980-02-01), Altorfer et al.
patent: 4740597 (1988-04-01), Franke et al.
patent: 5091515 (1992-02-01), Herd et al.

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