CHIRAL INDOLE INTERMEDIATE AND THEIR FLUORESCENT CYANINE DYE CONTAINING FUNCTIONAL GROUP

PROBLEM TO BE SOLVED: To provide dyes and their intermediates which are useful as labeling reagents for biological investigations. SOLUTION: Functionalized cyanine dyes and more particularly, chiral 3-substituted-2,3'-dymethyl-3H-indole as intermediates for manufacturing cyanine dyes are prepar...

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