Heterocyclic polymethine dyes with carbamate or amide groups

Details Heterocyclic polymethine dyes with carbamate or amide groups Heterocyclic polymethine dyes with carbamate or amide groups

1991-05-20

1993-06-22

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548411, C07D40306

Patent

active

052217515

ABSTRACT:
Polymethine dyes suitable for use in an optical recording medium have the formula ##STR1## where p is 0 or 1,

REFERENCES:
patent: 4513142 (1985-04-01), Rave et al.
patent: 4847385 (1989-07-01), Kusakata
patent: 4908294 (1990-03-01), Kanno et al.
Methoden der Organischen Chemie, vol. V/1d, 3 pages, 1972.
Dyes and Pigments, vol. 8, 1987, pp. 381-388, S. H. Kim, et al., "Syntheses and Characteristics of Infrared Absorbing 2:1 Nickel Complex Dyes".

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