Organic pigments derived from benzocoumarin

Details Organic pigments derived from benzocoumarin Organic pigments derived from benzocoumarin

1978-04-20

1979-12-04

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260326D, 548305, C07D31192, C07D40514

Patent

active

041771958

ABSTRACT:
This application teaches that yellow to orange organic pigments may be produced by reacting a benzocoumarin with a selected aromatic diamine.

REFERENCES:
patent: 3509177 (1970-04-01), McIntyre
Bassignana et al., Tetrahedron, vol. 20, 1964, pp. 2859-2871, AD 241 T4.
Chemical Abstracts, 9th Collective, 24398cs.
Chemical Abstracts, 7th Collective, 14856s.

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