Cyanine compounds

Details Cyanine compounds Cyanine compounds

1990-04-17

1991-04-16

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40306

Patent

active

050084011

ABSTRACT:
This invention relates to a cyanine compound represented by the formula (1) ##STR1## wherein: X is a lower alkoxy, Y is a lower alkyl or a lower alkoxy, R.sub.1 is a lower alkyl, or a lower alkyl substituted with at least one of C.sub.1 -C.sub.4 alkoxy, hydroxy, sulfo, carboxy, C.sub.1 -C.sub.4 alkyl amino, acetoxy, C.sub.1 -C.sub.4 alkoxy carbonyl, C.sub.1 -C.sub.4 sodium sulfonate, C.sub.1 -C.sub.4 sodium carboxylate, alkyl amino methyl, acetoxy methyl, and methoxyl carbonyl methyl, and Z.sup.- is an anion.

REFERENCES:
patent: 1524791 (1925-02-01), Konig
patent: 1863679 (1932-06-01), Wahl
patent: 3592653 (1971-07-01), Fumia, Jr. et al.
patent: 3916069 (1975-10-01), Tiers et al.
patent: 3974147 (1976-08-01), Tiers et al.
patent: 4025347 (1977-05-01), Beretta et al.
patent: 4600625 (1986-07-01), Abe et al.
patent: 4847385 (1989-07-01), Kusakata et al.

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