Organic compounds -- part of the class 532-570 series – Organic compounds – Polycyclo ring system containing anthracene configured ring...
Patent
1995-02-10
1996-09-10
Prior, Kimberly J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Polycyclo ring system containing anthracene configured ring...
C07C 5036
Patent
active
055547745
ABSTRACT:
Chlorinated violanthrones or isoviolanthrones are prepared by reacting violanthrone or isoviolanthrone with chlorine in the presence of a diluent, using aliphatic carboxylic acids and/or aliphatic halo carboxylic acids as diluent for this purpose.
REFERENCES:
patent: 837775 (1906-12-01), Bally
patent: 1842694 (1932-01-01), Shaw et al.
Bergmann Udo
Kowarsch Heinrich
Sch afer Gerhard
BASF - Aktiengesellschaft
Prior Kimberly J.
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