Carbonylaminostyryls

Details Carbonylaminostyryls Carbonylaminostyryls

1991-10-04

1993-05-04

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21512, C07D21514

Patent

active

052083411

ABSTRACT:
The new carbonylaminostyryls of the formula (I) ##STR1## in which the substituents R.sub.1, A, B and Z have the meaning given in the description, are especially suitable for the production of recording materials which can be used for pressure-sensitive copying, or of thermoreactive or electrochromic recording materials.

REFERENCES:
patent: 3346571 (1967-10-01), Spatz et al.
patent: 4598150 (1986-07-01), Fujisaki et al.
patent: 4820841 (1989-04-01), Fujisaki et al.

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