Results 291 to 300 of about 76,416 (345)

Phosphanyl‐Substituted Tetrylenes and Ditetrelenes – Impact of Steric Bulk on Tetrylene/Ditetrelene Stability

European Journal of Inorganic Chemistry, Accepted Article.
Phosphorus‐substituted tetrylenes and ditetrelenes remain something of a rarity. The reaction between SnCl2 and two equivalents of (Dep2P)Li at low temperature gave the bis(phosphanyl)stannylene {(Dep)2P}2Sn (4Sn), although this compound decomposes in solution at room temperature (Dep = 2,6‐Et2C6H3).
Keith Izod, Ahmed Hadadi, Mo Liu, Peter Evans, Casey M. Dixon, Corinne Wills, Paul G. Waddell   +6 more
wiley   +1 more source

New Glycoconjugates Containing Selenium and Polyphenols. Stereoselective Synthesis by Pummerer‐like Rearrangement.

European Journal of Organic Chemistry, EarlyView.
Two series of novel six‐membered Se‐glycoconjugates containing hydroxycinnamic acids marked by well‐known antioxidant properties are synthesized, exploiting a Mitsunobu reaction and a Pummerer‐like rearrangement. A first example of six‐membered selenosugar with selenium in the ring and bearing an acetal‐like functional group at C‐1 was reported, which ...
Claudia González, Mauro De Nisco, Reinier Lemos, Giovanna Cimmino, Yoana Pérez‐Badell, Severina Pacifico, Silvana Pedatella   +6 more
wiley   +1 more source

Electrochemical Hydrogenation of N‐Heterocycles and Related Substrates: A Mini‐Review

Electrochemical Science Advances, EarlyView.
ABSTRACT Catalytic hydrogenation refers to the (often) metal‐mediated addition of dihydrogen (H2) equivalents to unsaturated compounds to form new element‐hydrogen bonds. This conceptually simple reaction is ubiquitous in the production of a vast number of essential chemicals.
Esteban Garcia‐Torres, David E. Herbert   +1 more
wiley   +1 more source

Prevalence of goitre and hypothyroidism in Southern Tzania: effect of iodised oil on thyroid hormone deficiency [PDF]

, 1985
König, A., Mvungi, M. G., Pickardt, C. R., Scriba, Peter Christian, Wächter, W.   +4 more
core  

Persistance of a iodine deficiency disorder after introduction of iodized salt in a previously endemic goitre area

, 2004
M. L. Isidro San Juan, Alfonso Vidal‐Casariego, R. Argüeso Armesto, Paula Álvarez Castro, J. I. Vidal Pardo, Fernando Cordido Carballido   +5 more
openalex  

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Iodine-deficiency disorders

The Lancet, 2008
2 billion individuals worldwide have insufficient iodine intake, with those in south Asia and sub-Saharan Africa particularly affected. Iodine deficiency has many adverse effects on growth and development. These effects are due to inadequate production of thyroid hormone and are termed iodine-deficiency disorders.
Chandrakant S Pandav, Michael B. Zimmermann, Michael B. Zimmermann, Pieter L. Jooste   +3 more
openaire   +5 more sources

Europe is iodine deficient

The Lancet, 2003
n ...
Vitti, Paolo, Delange, Francois, Pinchera, Aldo, Zimmermann, Michael, Dunn, John T   +4 more
openaire   +4 more sources

Iodine deficiency in Turkey

European Journal of Pediatrics, 1999
Turkey is an iodine deficiency area. The overall goitre prevalence is thought to be 30%, and most epidemiological studies give figures compatible with mild to moderate iodine deficiency. However, it is suspected that there are regions where iodine deficiency might be more severe than previously known.
Ozgen, A, Zafer, YEŞİM, Alikasifoglu, A, Simsek, E, Yordam, N, Ozon, A, Ceren, N   +6 more
openaire   +4 more sources

THE BRAIN IN IODINE DEFICIENCY

Neuropathology and Applied Neurobiology, 1988
Global descriptive, epidemiological studies have established the relation of iodine deficiency to endemic cretinism which, in its fully developed form, is characterized by mental deficiency, deaf mutism and spastic diplegia. However, a second less common variant--myxedematous or hypothyroid cretinism--is characterized by severe hypothyroidism with ...
Basil S. Hetzel, B. J. Potter, J. Chavadej   +2 more
openaire   +3 more sources