Dyes for use in thermal dye transfer

Details Dyes for use in thermal dye transfer Dyes for use in thermal dye transfer

1994-05-18

1995-12-19

Ramsuer, Robert W.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544143, 544149, 544163, 546 94, 546163, 546207, 546246, 546268, 548161, 548179, 548198, 548217, 5483677, 548491, 548505, 549426, 558391, 558405, 558406, 558409, C07D295145, C07D41300

Patent

active

054769353

ABSTRACT:
Dye-donor element for use according to thermal dye transfer comprising least one dye corresponding to the general formula (I): ##STR1## wherein Z is --CN, --COOR.sup.1 or --CONR.sup.2 R.sup.3 ; R.sup.1 is --H, (cyclo)alkyl, or aryl; R.sup.2 and R.sup.3 is --H, (cyclo)alkyl, aryl, or R.sup.2 and R.sup.3 together represent the atoms necessary to complete a heterocyclic nucleus; R.sup.4 and R.sup.5 is --H, (cyclo)alkyl, aryl, a heterocyclic ring, SO.sub.2 R.sup.8, COR.sup.8, CSR.sup.8, POR.sup.8 R.sup.9, OR.sup.6, NR.sup.6 R.sup.7, SR.sup.6, or R.sup.4 and R.sup.5 together represent the atoms necessary to complete a aliphatic ring, a heterocyclic ring including a heterocyclic ring carrying a fused-on aliphatic or aromatic ring; R.sup.6 and R.sup.7 is (cyclo)alkyl, aryl, alkenyl, aralkyl, aryl, a heterocyclic group, or R.sup.6 and R.sup.7 together represent the atoms necessary to complete a 5- or 6-membered ring; R.sup.8 and R.sup.9 is (cyclo)alkyl, aryl, alkenyl, aryl, a heterocyclic group, alkyloxy, aryloxy group, alkylthio, arylthio, amino, a heterocyclic group, or R.sup.8 and R.sup.9 together represent the atoms necessary to complete a 5- or 6-membered ring; and X represents a substituted nitrogen atom or a substituted carbon atom.

REFERENCES:
patent: 5026677 (1991-06-01), Vonmaele

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