Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1991-01-15
1992-09-22
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C20974
Patent
active
051498758
ABSTRACT:
Aromatic amine compounds are halogenated in the presence of a quaternary ammonium halide.
REFERENCES:
patent: 3987057 (1976-10-01), Goddard
patent: 4138242 (1979-02-01), Goddard
patent: 4443631 (1984-04-01), Padilla
patent: 5053542 (1991-10-01), Patton et al.
Gurusamy Narayanasamy
Patton Jerry R.
Mallinckrodt Specialty Chemicals Company
Raymond Richard L.
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