Catalytic asymmetric hydrogen atom transfer: enantioselective hydroamination of alkenes
We report a highly enantioselective radical-based hydroamination of enol esters with
sulfonamides jointly catalyzed by an Ir photocatalyst, Brønsted base, and tetrapeptide thiol …
sulfonamides jointly catalyzed by an Ir photocatalyst, Brønsted base, and tetrapeptide thiol …
Close contacts involving germanium and tin in crystal structures: Experimental evidence of tetrel bonds
Modeling indicates the presence of a region of low electronic density (a “σ-hole”) on group
14 elements, and this offers an explanation for the ability of these elements to act as …
14 elements, and this offers an explanation for the ability of these elements to act as …
Enantioselective radical reactions
J Zimmerman, MP Sibi - Radicals in Synthesis I, 2006 - Springer
Over the past two decades, many researchers have been interested in “taming” the reactive
free radical intermediate and utilizing it in enantioselective transformations. This review …
free radical intermediate and utilizing it in enantioselective transformations. This review …
A New Class of Potent N-Methyl-d-Aspartate Receptor Inhibitors: Sulfated Neuroactive Steroids with Lipophilic D-Ring Modifications
E Kudova, H Chodounska, B Slavikova… - Journal of medicinal …, 2015 - ACS Publications
N-Methyl-d-aspartate receptors (NMDARs) are glutamate-gated ion channels that play a
crucial role in excitatory synaptic transmission. However, the overactivation of NMDARs can …
crucial role in excitatory synaptic transmission. However, the overactivation of NMDARs can …
Reduction of Tertiary Carbon Radicals via Asymmetric Hydrogen Atom Transfer (AHAT)†
X Han, C He - Chinese Journal of Chemistry, 2024 - Wiley Online Library
Comprehensive Summary In the past two decades, the development of asymmetric radical
reactions has achieved tremendous progress, which has emerged as a powerful tool for the …
reactions has achieved tremendous progress, which has emerged as a powerful tool for the …
Single enantiomer free-radical chemistry—Lewis acid-mediated reductions of racemic halides using chiral non-racemic stannanes
D Dakternieks, VT Perchyonok, CH Schiesser - Tetrahedron: Asymmetry, 2003 - Elsevier
Additions of one to two equivalents of Lewis acids that include magnesium salts to free-
radical reduction reactions involving ester functionalized radicals and (1R, 2S, 5R) …
radical reduction reactions involving ester functionalized radicals and (1R, 2S, 5R) …
A New Class of Chiral Organogermanes Derived from C2-Symmetric Dithiols: Synthesis, Characterization and Stereoselective Free Radical Reactions
G Gualtieri, SJ Geib, DP Curran - The Journal of Organic …, 2003 - ACS Publications
A new class of dithiostannanes and dithiogermanes have been prepared from 1, 1 '-
binaphthyl-2, 2 '-dithiol and 3, 3 '-bis (trimethylsilyl)-1, 1 '-binaphtho-2, 2 '-dithiol. While …
binaphthyl-2, 2 '-dithiol and 3, 3 '-bis (trimethylsilyl)-1, 1 '-binaphtho-2, 2 '-dithiol. While …
Synthesis of chiral organotin reagents: synthesis of enantiomerically enriched bicyclo [2.2. 1] hept-2-yl tin hydrides from camphor. X-Ray crystal structures of (dimethyl) …
M Helliwell, EJ Thomas, LA Townsend - Journal of the Chemical …, 2002 - pubs.rsc.org
2-Iodo-1, 7, 7-trimethylbicyclo [2.2. 1] hept-2-ene 27 was prepared in two steps from
camphor 23. Halogen–metal exchange using butyllithium followed by addition of the …
camphor 23. Halogen–metal exchange using butyllithium followed by addition of the …
Substituent effects in selenoxide elimination chemistry
PE Macdougall, NA Smith, CH Schiesser - Tetrahedron, 2008 - Elsevier
2α-(Arylseleno) cholestan-3-ones (3), 2α-(arylseleno) cholest-4-en-3-ones (4), and 4β-
(arylseleno)-24-nor-5β-cholan-3-ones (5) were prepared and their stabilities toward …
(arylseleno)-24-nor-5β-cholan-3-ones (5) were prepared and their stabilities toward …
Bile acids in asymmetric synthesis and chiral discrimination
O Bortolini, G Fantin… - … , Biological, and Chemical …, 2010 - Wiley Online Library
An overview on the use of bile acid‐based compounds able to catalyze transformations,
control the stereochemical course of a given reaction, recognize and bind other molecules …
control the stereochemical course of a given reaction, recognize and bind other molecules …