Tryptanthrine derivatives

Details Tryptanthrine derivatives Tryptanthrine derivatives

1994-09-23

1995-05-30

Bernhardt, Emily

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

Organic compounds

Azo

544245, 544246, 106493, 106496, C07D48704, C09B 5612, C09B 5700, D06P 144

Patent

active

054202590

ABSTRACT:
Tryptanthrine derivative of the formula ##STR1## where the rings A and B may be benzofused and/or substituted and X is a radical which is derived from a CH-acidic heterocyclic structure which may have a further tryptanthrine radical or from a hydrazinoanthraquinone or, if one or both of the rings A and B are benzofused and/or substituted by phthaloyl, is furthermore oxygen, are used as colorants.

REFERENCES:
patent: 4666526 (1987-05-01), Rolf et al.
The Chemistry of Synthetic Dyes (K. Venkataroman, Editor), vol. IV, pp. 28-32 (1971).
Kirk-Othmer Encyclopedia of Chemical Technology, (3rd Ed.) (John Wiley & Sons, Publishers), vol. 17, pp. 871-889 (1982).
Dyes & Pigments, vol. 5, No. 5, 1984, pp. 189-207, M. Rolf, et al., "Neue, Hochechte Organische Pigmente".
J. Heterocyclic Chem., vol. 25, pp. 591 to 596, 1988 Conjugated Systems Derived From Piperazine-2,5-Dione Alan R. Katritzky, et al.
Chem. Ber., vol. 45, pp. 2244 to 2248, 1912 Uber Eine Neue Syntheses der Anthrachinonyl-Hydrazine A. Viertel et al.
Tetrahedron Lett., vol. 30, pp. 2625 and 2626, 1977 the Structure of Some Indolic Constituents in Couroupita Guaianensis Aubl. Jan Bergman, et al.
Tetrahedron, vol. 41, pp. 2883 and 2884, 1985 Structure Determination of Candidine, a Violet Indolic Constituent from Culture Solutions of Candida Lipolytica Jan Bergman, et al.
J. Chem. Soc. Perkin Trans. I, pp. 519 to 527, 1987 J. Chem. Soc. perkin Trans. Jan. 1987 Jan Bergman, et al.

Affiliated with

Also associated with

Rating

Tryptanthrine derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tryptanthrine derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tryptanthrine derivatives will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-362971