Process for the preparation of reactive, couplable derivatives o

Details Process for the preparation of reactive, couplable derivatives o Process for the preparation of reactive, couplable derivatives o

1981-09-30

1983-12-27

Raymond, Richard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548546, 556410, 556418, 556419, 562440, 562447, C07F 710

Patent

active

044232276

ABSTRACT:
Process for the preparation of reactive, couplable derivatives of the thyroid hormones 3,3',5-triiodothyronine (T.sub.3) and 3,3',5,5'-tetraiodothyronine (T.sub.4) by reaction with reactive carboxylic acid derivatives, which process comprises sylylating all the functional groups of the thyroid hormone by reaction with a reactive triorganosylyl derivative and then reacting the persylylated derivative of the thyroid hormone thus obtained with an activated carboxylic acid derivative.

REFERENCES:
patent: 2889364 (1959-06-01), Anthony et al.
patent: 3046306 (1962-07-01), Meltzer et al.
Chemical Abstracts, 8th Coll. Index (1971).
Birkofer et al., Angewandte Chemie, vol. 77 (1965) pp. 414-426.

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