Thyroxine analogs and reagents for thyroid hormone assays

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant...

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435 7, 436500, 548335, 548342, 548344, 560 12, 560 17, 560 35, 560 40, 562426, 562430, 562440, 562447, 564 74, 564157, 564174, 564276, 568 33, G01N 3353

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047418974

ABSTRACT:
The present invention relates to new compounds of the general formula: ##STR1## where X is iodine or hydrogen; A is a linking portion; and R is an iodinatable aryl or heteroaryl group having electron donating substituents. These compounds are useful precursors to the iodinated thyroid hormones for radioimmunoassay determination of thyroid hormones in biological fluids.

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W. Wiersinga, et al., in Methods in Enzymology, vol. 84, J. Langone, et al., (editors), Academic Press, New York, 1982, pp. 272-302.

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