Blue diketopyrrolopyrrole pigments

Details Blue diketopyrrolopyrrole pigments Blue diketopyrrolopyrrole pigments

1996-06-11

1998-10-06

Ramsuer, Robert W.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544144, C07D48704

Patent

active

058178325

ABSTRACT:
##STR1## in which X and Y independently of one another are a divalent aromatic radical and R is a radical CN, COR.sub.5, CO.sub.2 R.sub.5, CON(R.sub.5).sub.2, NO.sub.2, SO.sub.2 R.sub.5, SOR.sub.5, SO.sub.2 N(R.sub.5).sub.2 or PO(OR.sub.6).sub.2.
For the definition of the substituents R.sub.1, R.sub.2 and R.sub.5, refer to claim 1.
These compounds are blue to violet, tinctorially strong pigments with good stability properties, in particular good light stability and weather stability.

REFERENCES:
patent: 4415685 (1983-11-01), Iqbal et al.
patent: 4579949 (1986-04-01), Rochat et al.
patent: 4659775 (1987-04-01), Pfenninger et al.
patent: 4720305 (1988-01-01), Iqbal et al.
patent: 4783540 (1988-11-01), Babler
patent: 4810802 (1989-03-01), Wallquist et al.
patent: 5200528 (1993-04-01), Wooden et al.
Chemical Abstract 113: 68369j of JP0255,362 (1990).
12th Collective Index, p. 81755, Cl (42,86-89), p. 81756, cl (5-8, 25-32) c2 (64-67), (1990).

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