Water-soluble methine derivatives of thiazole

Details Water-soluble methine derivatives of thiazole Water-soluble methine derivatives of thiazole

1993-10-19

1995-12-19

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548150, 548156, 548159, 546274, 546280, 544284, 544333, C07D41714, C07D41314

Patent

active

054769450

ABSTRACT:
A methine compound represented by the following formula (I): ##STR1## wherein Z.sub.1 and Z.sub.2 each represent a non-metallic atomic group necessitated for forming a five-membered or six-membered, nitrogen-containing heterocyclic ring, R.sub.1 and R.sub.2 each represent an alkyl group, X represents an inorganic anion, k represents a number necessitated for adjusting the electric charge of the molecule to zero, and n represents 0 or 1; with the proviso that when n is 1, the five-membered or six-membered, nitrogen-containing heterocyclic ring formed by Z.sub.2 is cationic, k is not zero and X represents chloride ion. The compound is useful as a spectral sensitizing dye and an antitumor agent.

REFERENCES:
patent: 2388963 (1945-11-01), Fry et al.

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