Search Results - "Talbot, P A"
-
1
Asymmetric Palladium-Catalyzed Directed Intermolecular Fluoroarylation of Styrenes
Published in Journal of the American Chemical Society (19-03-2014)“…A mild catalytic asymmetric direct fluoro-arylation of styrenes has been developed. The palladium-catalyzed three-component coupling of Selectfluor, a styrene…”
Get full text
Journal Article -
2
Transition-Metal-Free Amine Oxidation: A Chemoselective Strategy for the Late-Stage Formation of Lactams
Published in Organic letters (17-02-2017)“…A metal-free strategy for the formation of lactams via selective oxidation of cyclic secondary and tertiary amines is described. Molecular iodine facilitates…”
Get full text
Journal Article -
3
The development and mechanistic investigation of a palladium-catalyzed 1,3-arylfluorination of chromenes
Published in Chemical science (Cambridge) (01-04-2017)“…A mild palladium-catalyzed ligand-controlled regioselective 1,3-arylfluorination of 2[ ]-chromenes has been developed. The products with a -1,3 substitution…”
Get full text
Journal Article -
4
One-Pot, Three-Step Synthesis of Cyclopropylboronic Acid Pinacol Esters from Synthetically Tractable Propargylic Silyl Ethers
Published in Organic letters (21-07-2017)“…Simple propargylic silyl ethers can be converted to complex cyclopropylboronic acid pinacol esters in an efficient one-pot procedure. Terminal acetylenes…”
Get full text
Journal Article -
5
Copper-Catalyzed Synthesis of Activated Sulfonate Esters from Boronic Acids, DABSO, and Pentafluorophenol
Published in Organic letters (07-09-2018)“…The synthesis of pentafluorophenyl (PFP) sulfonate esters based on the Pd-catalyzed sulfination of aryl and heteroaryl boronic acids is reported. The sulfinate…”
Get full text
Journal Article -
6
Catalytic Asymmetric Synthesis of (+)-Anthecotulide Using Enyne and Meyer–Schuster Rearrangements
Published in Organic letters (04-11-2011)“…The bioactive sesquiterpene lactone (+)-anthecotulide (1) is synthesized for the first time, in a six-step sequence devoid of protecting groups. The key…”
Get full text
Journal Article -
7
Gold-Catalyzed Redox Synthesis of Imidazo[1,2-a]pyridines using Pyridine N-Oxide and Alkynes
Published in Advanced synthesis & catalysis (10-03-2014)“…A mild, catalytic, atom economical synthesis of imidazo[1,2‐a]pyridines has been developed: catalytic dichloro(2‐pyridinecarboxylato)gold [PicAuCl2] in the…”
Get full text
Journal Article -
8
Stereoselective Synthesis of β-(Hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones
Published in Organic letters (20-05-2011)“…Zinc or a chromium(II) source with 3-(bromomethyl)furan-2(5H)-one (3) and an aldehyde gives β-(hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones 5 in good…”
Get full text
Journal Article -
9
Oxidative β-C-H sulfonylation of cyclic amines
Published in Chemical science (Cambridge) (28-02-2018)“…A transition metal-free strategy for the dehydrogenative β-sulfonylation of tertiary cyclic amines is described. -Iodosuccinimide facilitates regioselective…”
Get full text
Journal Article -
10
Regioselective Synthesis of Fully Substituted Fused Pyrroles through an Oxidant-Free Multicomponent Reaction
Published in Organic letters (27-01-2023)“…The synthesis of fully substituted fused pyrroles through a multicomponent reaction between a thioamide, an aldehyde, and ammonium acetate is described. This…”
Get full text
Journal Article -
11
Hydrogen Atom Transfer‐Mediated Cyclisations of Nitriles
Published in Chemistry : a European journal (12-12-2018)“…Hydrogen atom transfer‐mediated intramolecular C−C coupling reactions between alkenes and nitriles, using PhSiH3 and catalytic Fe(acac)3, are described. This…”
Get full text
Journal Article -
12
Discovery of HC-7366: An Orally Bioavailable and Efficacious GCN2 Kinase Activator
Published in Journal of medicinal chemistry (11-04-2024)“…A series of activators of GCN2 (general control nonderepressible 2) kinase have been developed, leading to HC-7366, which has entered the clinic as an…”
Get full text
Journal Article -
13
Gold Catalysed Redox Synthesis of Imidazo[1,2- a ]pyridine using Pyridine N -Oxide and Alkynes
Published in Advanced synthesis & catalysis (10-03-2014)“…A mild, catalytic, atom economical synthesis of imidazo[1,2- ]pyridines has been developed: catalytic PicAuCl in the presence of an acid produces a range…”
Get full text
Journal Article -
14
Potentiation of aminoglycoside-induced neuromuscular blockade by protons in vitro and in vivo
Published in The Journal of pharmacology and experimental therapeutics (01-05-1987)“…pH-dependent effects of 100 microM streptomycin and various aminoglycosides were examined at frog (Rana pipiens pipiens) sciatic sartorii in vitro by using the…”
Get more information
Journal Article -
15
Nature of increase in quantal release by the thallous ion at frog end plates with and without nerve stimulation
Published in The Journal of general physiology (01-11-1992)“…The monovalent thallous ion (Tl) was evaluated at the frog end plate in vitro with intracellular microelectrodes. Recordings included end plate potentials…”
Get full text
Journal Article -
16
Effects of primidone, phenobarbital and phenylethylmalonamide in the stimulated frog neuromuscular junction
Published in The Journal of pharmacology and experimental therapeutics (01-01-1984)“…The effects of primidone (1.0 mM), phenobarbital (0.2 mM) and phenylethylmalonamide (PEMA) (1.0 mM) on nerve-stimulated transmitter release (quantal content)…”
Get more information
Journal Article -
17
Primidone but not phenylethylmalonamide, a major metabolite, increases nerve-evoked transmitter release at the frog neuromuscular junction
Published in The Journal of pharmacology and experimental therapeutics (01-07-1982)“…The fundamental responses of primidone and phenylethylmalonamide (PEMA), a major metabolite, were investigated electrophysiologically at the frog (Rana…”
Get more information
Journal Article -
18
Kilogram-Scale Synthesis of 11β-Hydroxyandrosterone
Published in Organic process research & development (19-07-2024)“…This article describes a robust and large-scale synthesis of the ketosteroid building block 11β-hydroxyandrosterone (2) from cheap and readily available…”
Get full text
Journal Article -
19
Conceptualisation and Experiences of Engaged Citizenship as Critical Consciousness, Transformative Education and Mutual Joy: An Autoethnography
Published in South African journal of higher education (01-04-2023)“…In recent years, higher education institutions globally and in South Africa have begun to focus more on the educational potential of community-university…”
Get full text
Journal Article -
20
Protons resolve dual effects of calcium on miniature end-plate potential frequency at frog neuromuscular junctions
Published in The Journal of general physiology (01-04-1989)“…Inhibition of transmitter release by protons (H+) was studied at the frog neuromuscular junction at various extracellular concentrations of calcium ([Ca++]o)…”
Get full text
Journal Article