Results 331 to 340 of about 3,265,735 (388)

Gas chromatographic determination of iodinated compounds

Analytical Biochemistry, 1969
The qualitative and quantitative gas chromatographic evaluation of a large variety of iodinated substances (iodoamino acids and their side chain and position analogs, intermediates in the synthesis or degradation of the thyroid hormones, and related compounds) is described. As little as a few hundred picograms can be determined accurately in most cases
Kazuhisa Funakoshi, Hans J. Cahnmann
openaire   +3 more sources

Thyroidal iodinated compounds in nodular goitre

Clinica Chimica Acta, 1968
Abstract The iodinated compounds in the nodular and paranodular tissues of 19 cases of nodular goitre have been separated by thin-layer chromatography. A high monoiodotyrosine/di-iodotyrosine ratio was found in “cold” nodules, and a low one in “hot” nodules.
Levis, G.M., Koutras, D.A., Vagenakis, A., Messaris, G., Miras, C., Malamos, B.   +5 more
openaire   +3 more sources

Hypervalent iodine(iii) fluorinations of alkenes and diazo compounds: new opportunities in fluorination chemistry.

Chemical Society Reviews, 2016
The fluorination of organic molecules is a rapidly evolving and exciting field in synthesis, which still poses huge challenges despite the advances made in the past decades. Hypervalent iodine(iii) reagents, which have already proven their versatility as
Stefanie V. Kohlhepp, T. Gulder
semanticscholar   +1 more source

Iodine Promoted Regioselective α-Sulfenylation of Carbonyl Compounds using Dimethyl Sulfoxide as an Oxidant.

Organic Letters, 2016
A metal-free regioselective sulfenylation of the α-CH3 group of ketones has been achieved in the presence of the α-CH2 or α-CH group using the cross dehydrogenative (CDC) strategy.
Yogesh Siddaraju, K. R. Prabhu
semanticscholar   +1 more source

Exchange Reactions of Iodine Compounds

Nature, 1937
JULIUSBURGER, Topley and Weiss1 found by the artificial radioactive indicator method that an exchange takes place between sodium iodide (c. 0.5M) and methyl iodide (c. 2M) in alcoholic solution at room temperature ; the exchange is complete in a minute or two.
openaire   +2 more sources

Iodinated Compound and Thyroid Status

1982
Among the many exciting developments in the study of the behavior of contrast media [4], little attention has been paid to the suggested correlation of the iodinated agents with thyroid hormone physiology. To what extent could the accumulation of iodinated drugs influence the thyroid metabolism?
G. Camerini, R. Rossi, A. Toti, L. Ricci, G. Giovannini, D. Pelizzola, P. B. Romelli, A. Piffanelli, A. Caputo   +8 more
openaire   +2 more sources

Anti-tumorigenic Action of Iodinated Compounds

Nature, 1955
As one of us (F. B. O.) had observed that the administration of a mixture of aqueous solutions of potassium iodide and potassium iodate induced favourable effects in cancer patients, we decided to carry out an experimental study in rats.
F. B. Oberhauser, M. Q. Gaillard, V. M. Silva, H. R. Croxatto   +3 more
openaire   +3 more sources

Excretion of Iodinated Compounds Administered to Mice

Journal of the American Pharmaceutical Association (Scientific ed.), 1954
A study of the excretion of iodinated compounds is described which involves the chemical determination of iodine in the urine, bile, and gastrointestinal tract of the mouse. Values obtained following doses of cholecystographic and pyelographic agents used clinically are presented.
Everett H. Lang, Peter B. Dews, Amos E. Light, Stata Norton, John A. Tornaben, Rocco V. Fanelli   +5 more
openaire   +3 more sources

Carboxylic acids as latent initiators of radical polymerization carried out in the presence of hypervalent iodine compounds: synthesis of branched and transiently crosslinked polymers

, 2012
The acetoxy groups in (diacetoxyiodo)benzene, PhI(OAc)2, can exchange with methacrylic acid in various solvents yielding [(acetoxy methacryloyloxy)iodo]benzene or (dimethacryloyloxyiodo)benzene.
Hongzhang Han, N. Tsarevsky
semanticscholar   +1 more source

The Multiple Facets of Iodine(III) Compounds in an Unprecedented Catalytic Auto-amination for Chiral Amine Synthesis.

Angewandte Chemie, 2016
Iodine(III) reagents are used in catalytic one-pot reactions, first as both oxidants and substrates, then as cross-coupling partners, to afford chiral polyfunctionalized amines.
Julien Buendia, G. Grelier, Benjamin Darses, Amanda G. Jarvis, F. Taran, P. Dauban   +5 more
semanticscholar   +1 more source