Novel ether substituted fluorescein polyamino acid compounds as

Details Novel ether substituted fluorescein polyamino acid compounds as Novel ether substituted fluorescein polyamino acid compounds as

1979-09-07

1982-03-09

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23230B, 260112R, 2601125R, 2601127, 260121, 424 8, 424 12, 424 85, 424 88, 435 7, 435188, 525420, 260335, A61K 39385, A61K 3944, C07G 700

Patent

active

043188460

ABSTRACT:
Diether symmetrically substituted fluoresceins are provided having at least one anionic group and a linking functionality. Depending upon the site of substitution, the compounds can be used as fluorescers absorbing at wavelengths in excess of 500 nm or as quenchers, absorbing at wavelengths in excess of 500 nm and exhibiting substantially no fluorescence. The compounds find wide application, particularly as labels in fluorescent immunoassays.

REFERENCES:
patent: 4174384 (1979-12-01), Ullman et al.
patent: 4220450 (1980-09-01), Maggio
patent: 4220722 (1980-09-01), Rowley et al.

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