Journal ArticleDOI
Substituent effects on hydrogenation of aromatic rings: hydrogenation vs. hydrogenolysis in cyclic analogs of benzyl ethers
Luigi Anzalone,Jerry A. Hirsch +1 more
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Le fait de placer un benzylether dans un systeme cyclique semble retarder de facon importante l'hydrogenolyse par rapport aux analogues acycliques as mentioned in this paper.Abstract:
Le fait de placer un benzylether dans un systeme cyclique semble retarder de facon importante l'hydrogenolyse par rapport aux analogues acycliquesread more
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Journal ArticleDOI
Fluorescent indicators for cytosolic sodium.
TL;DR: Fluorescent indicators sensitive to cytosolic concentrations of free Na+ have been synthesized and characterized, resulting in effective dissociation constants for Na+ of about 20 mM against a background of 120 mM K+.
Journal ArticleDOI
Luminescence Properties of Structurally Modified PPVs: PPV Derivatives Bearing 2-(4-tert-Butylphenyl)-5-phenyl-1,3,4-oxadiazole Pendants
TL;DR: In this article, two PPV derivatives bearing 2-phenyl-5-(4-tert-butylphenyl)-1,3,4-oxadiazole pendants were prepared, and their photo-and electroluminescence properties were studied.
Journal ArticleDOI
Iron-Catalyzed Carbometalation of Propargylic and Homopropargylic Alcohols
Donghui Zhang,Joseph M. Ready +1 more
TL;DR: It is demonstrated that Fe(III) salts are effective precatalysts for the carbometalation of alkynes through an unusual addition/cyclization reaction to generate cyclic dienes.
Journal ArticleDOI
Acid Chloride Synthesis by the Palladium-Catalyzed Chlorocarbonylation of Aryl Bromides
TL;DR: A palladium-catalyzed method to synthesize acid chlorides by the chlorocarbonylation of aryl bromides is reported, which provides a useful method to assemble highly reactive Acid chlorides from stable and available reagents, and can be coupled with subsequent nucleophilic reactions to generate new classes of carbonylated products.
Journal ArticleDOI
Synthesis of C-glycosylarenes by way of internal reactions of benzylated and benzoylated carbohydrate derivatives
Olivier R. Martin,Carmen A.V. Hendricks,Prashant P. Deshpande,Amos B. Cutler,Stefanie A. Kane,Sunkada P. Rao +5 more
TL;DR: The first examples of successful internal C-arylation in the pyranoid series were achieved from 2-O-(3-methoxybenzyl)-D- mannopyranosides; the 2- O-phenyl substituent was found to be much less reactive than the2-O-benZyl group in intramolecular Friedel-Crafts reactions of 2-o-substituted glycofuranosides.