Phthaloperinone dyestuffs

Details Phthaloperinone dyestuffs Phthaloperinone dyestuffs

1994-08-12

1996-06-25

Bernhardt, Emily

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

8657, 8920, 8922, 8924, 8925, 8928, 524 90, C07D48706, C09B 5712

Patent

active

055301304

ABSTRACT:
Phthaloperinone dyestuffs of the general formula (I) ##STR1## wherein Z denotes SO.sub.2 or CO,

REFERENCES:
patent: 3909442 (1975-09-01), Tucker et al.
patent: 4024144 (1977-05-01), Groll et al.
patent: 4417014 (1983-11-01), Buecheler
patent: 4866113 (1989-09-01), Bitterli et al.
patent: 5466805 (1995-11-01), Roschger

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