Bracco Imaging S.p.a.

Laura Galimberti

Sonia Gazzetto

Luciano Lattuada

Pier Lucio Anelli

Maria Argese

Roberta Fretta

Valeria Boi

Livio Cavalieri

Fulvia Vella

Andrea Banin

Carlo Felice Viscardi

Roberta Napolitano

Enrico Cappelletti

Federico Maisano

Fernanda Di Giorgio

Giovanni Rivolta

Loredana Sini

Livio Cavaliere

The invention relates to a process for the recovery and recycling of the iodine from aqueous solutions comprising iodine-comprising aromatic compounds in which the iodine contained in said aromatic compounds is directly converted into molecular iodine at a pH lower than 1, in the absence of a catalyst.

Process for the recovery of iodine from aqueous solutions

The present invention relates to the calcium complex of (4RS)(4-carboxy-5,8,11-tris(carboxymethyl)-1-phenyl oxa-5,8,11-triazatridecan-13-oato(5-))pentahydrogen (BOPTA) in the form of a salt, to the process for its preparation and to a formulation comprising said salt.

Calcium BOPTA complex

The present invention relates to a process for the preparation of the mono sodium salt of the derivative 3,5-diiodo-O-[3-iodo-4-(sulphooxy)phenyl]-L-tyrosine (T3S) by starting from the corresponding phenolic compound, in the presence of chlorosulfonic acid and dimethylacetamide as a solvent. The so obtained T3S compound may conveniently be isolated in a pure form as a solid in good yields. The present invention further relates to the process for T3S preparation, wherein the starting reagent is T2 and further comprising the formulation of such compound in tablets. Furthermore, the invention discloses non-radioactive immunoassays based on T3S derivatives.

Process for the preparation of a sulfated derivative of 3,5-diiodo-o-[3-iodophenyl]-l-tyrosine

The present invention relates to a process for the preparation of the mono sodium salt of the derivative 3,5-diiodo-O-[3-iodo-4-(sulphooxy)phenyl]-L-tyrosine (T3S) by starting from the corresponding phenolic compound, in the presence of chloro-sulfonic acid and dimethylacetamide as a solvent. The so obtained T3S compound may conveniently be isolated in a pure form as a solid in good yields. The present invention further relates to the process for T3S preparation, wherein the starting reagent is T2 and further comprising the formulation of such compound in tablets. Furthermore, the invention discloses non-radioactive immunoassays based on T3S derivatives.

Process for the preparation of a sulfated derivative of 3,5-diiodo-O-[3-iodophenyl]-L-tyrosine

The present invention generally refers to a process for the preparation of L-thyroxine derivatives. More in particular, the present invention relates to a iodination reaction of an aromatic derivative with an appropriate iodinating agent, so to afford the related iodinated compound as disodium salt, which may represent a useful intermediate for the synthesis of the L-thyroxine mono-sodium salt, and the free form thereof.

Process for the preparation of thyroid hormones and salts thereof

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Fara Gera d'Adda, Italy

Laura Galimberti