The versatile tri-tert-butylphosphonium tetrafluoroborate ligand is prepared in a convenient, simple, and high-yielding procedure without the isolation of sensitive intermediates.
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La rhodopsine (du grec ῥόδος rhodos, rose, et ὄψομαι opsomai, futur du verbe ὁρῶ orô, voir) ou pourpre rétinien est un pigment protéique photosensible présent dans les bâtonnets, l'un des deux types des cellules photoréceptrices de la rétine (œil des vertébrés, œil composé des arthropodes, ocelles). C'est également un récepteur couplé aux protéines G. Elle est responsable de la sensibilité de l'œil à la lumière. Comme tous les récepteurs couplés aux protéines G, la rhodopsine possède 7 domaines transmembranaires.
Nephrotoxicity is toxicity in the kidneys. It is a poisonous effect of some substances, both toxic chemicals and medications, on kidney function. There are various forms, and some drugs may affect kidney function in more than one way. Nephrotoxins are substances displaying nephrotoxicity. Nephrotoxicity should not be confused with some medications predominantly excreted by the kidneys needing their dose adjusted for the decreased kidney function (e.g., heparin, lithium).
This thesis explores the diverse chemistry of thorium and uranium coordination polymers, focusing on actinides in +4 and +5 oxidation states, and their reactivity with various ligands. While uranium predominantly exists as the uranyl cation [UO2]2+ in the ...
Due to the high ring strain and unique bonding, cyclopropenes represent important 3-carbon synthons in organic synthesis. Intrigued by the unique reactivity of cyclopropenes, we were interested in further exploration of their chemical properties. Trying to ...
Extensive research has been conducted on chiral porphyrin-metal complex (M = Co, Rh, Ru, Fe)-catalyzed asymmetric cyclopropanation of alkenes. However, the corresponding iridium complex has scarcely been exploited for this purpose. We report herein that th ...
