Phenanthridine derivatives and metal complexes thereof used for

Details Phenanthridine derivatives and metal complexes thereof used for Phenanthridine derivatives and metal complexes thereof used for

1997-09-18

1999-07-06

Shah, Mukund J.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544126, 544225, 544226, 544327, 544328, 544329, 546 6, 546 10, 546108, C07D41312, C07D22112

Patent

active

059199288

ABSTRACT:
A phenanthridine derivative metal complex of formula 1 having a large absorption in the near-infrared range and a reduced absorption in the visible range, which phenanthridine derivative metal complex is used in a transparent recording medium: ##STR1## where M is a metal atom, and X is a negative ion.

REFERENCES:
Joseph A. Castellano, et al., Liquid Crystals. II..sup.1 Effects of Terminal Group Substitution on the Mesomorphic Behavior of Some Benzylideneanilines, Journal of Organic Chemistry vol. 33, No. 9, pp. 3501-3504, Sep. 1968.
S.V.Kessar, et al., New Routes to Condensed Polynuclear Compounds-VIII, Tetrahedron, vol. 29 pp. 177-184, 1973.
C.F.H Allen, et al., Acridone, Organic Synthesis, II, pp. 15-17, 1943.
Magidson et al., Berichte, 66, 866-872, 1933.
Adrien Albert, et al., Acridine Syntheses and Reactions. Part V. A New Dehalogenation of 5-Chloroacridine and its Derivatives, Journal of the Chemical Society, pp. 1148-1151, 1949.
H.T. Clarke, et al., Organic Synthesis, I, pp. 150-153, 1941.

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