Amido-containing azulene squaric acid dyes, intermediates theref

Details Amido-containing azulene squaric acid dyes, intermediates theref Amido-containing azulene squaric acid dyes, intermediates theref

1990-10-22

1992-06-16

Ivy, C. Warren

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430495, 430945, 546189, 558303, 558426, 558428, 558433, 560 36, 560 42, 564152, 564158, 564307, 549510, 549511, G03C 1492, C07D30500, C07C21100

Patent

active

051224356

ABSTRACT:
Amido-containing azulene-aquaric acid dyes of the formula ##STR1## where L is C.sub.1 -C.sub.12 -alkylene which may be substituted by phenyl,

REFERENCES:
Abstract, Dyes and Their Intermediates, 1968, p. 8.
Angewandte Chemie, 78, 1966, p. 937, W. Ziegenbein, et al., "Kondensationsprodukte Aus Quadratsaure und Azulen-Kohlenwasser-Stoffen".
Dyes and Pigments, vol. 8, 1987, pp. 381-388, S. H. Kim et al., "Synthesis and Characteristics of Infrared Absorbing 2:1 Nickel Complex Dyes".

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