Design principles of the use of alkynes in radical cascades

C Hu, J Mena, IV Alabugin - Nature Reviews Chemistry, 2023 - nature.com
One of the simplest organic functional groups, the alkyne, offers a broad canvas for the
design of cascade transformations in which up to three new bonds can be added to each of …

Progress in the trans-Reduction and trans-Hydrometalation of Internal Alkynes. Applications to Natural Product Synthesis

TG Frihed, A Fuerstner - Bulletin of the Chemical Society of …, 2016 - academic.oup.com
The classical repertoire of synthetic organic chemistry is short of methods that allow triple
bonds to be transformed into (E)-alkenes with high selectivity in the presence of other …

Ethynyl‐1,2‐benziodoxol‐3(1 H)‐one (EBX): An Exceptional Reagent for the Ethynylation of Keto, Cyano, and Nitro Esters

D Fernández González, JP Brand… - Chemistry–A European …, 2010 - Wiley Online Library
The chemistry of acetylenes has been extensively used in organic synthesis.[1] In recent
decades, the functionalization of the triple bond by using metal catalysis has complemented …

Traceless directing groups in radical cascades: from oligoalkynes to fused helicenes without tethered initiators

K Pati, G dos Passos Gomes, T Harris… - Journal of the …, 2015 - ACS Publications
We report the first example of a traceless directing group in a radical cascade. The chemo-
and regioselectivity of the initial attack in skipped oligoalkynes is controlled by propargyl OR …

Hydrostannation of alkynes

M Alami, A Hamze, O Provot - ACS Catalysis, 2019 - ACS Publications
In this Review, we present an overview of hydrostannation of alkynes until the end of 2018.
The mechanism of the tin hydride addition on a triple bond in the presence of metal catalysts …

Amino Acid and Peptide‐Based Antiviral Agents

AS Skwarecki, MG Nowak, MJ Milewska - ChemMedChem, 2021 - Wiley Online Library
A significant number of antiviral agents used in clinical practice are amino acids, short
peptides, or peptidomimetics. Among them, several HIV protease inhibitors (eg lopinavir …

Understanding initiation with triethylboron and oxygen: The differences between low-oxygen and high-oxygen regimes

DP Curran, TR McFadden - Journal of the American Chemical …, 2016 - ACS Publications
A unified kinetic theory for both initiation and autoxidation reactions of Et3B and O2 is put
forth, and then divided into low-oxygen and high-oxygen experimental regimes for …

Total syntheses and biological reassessment of lactimidomycin, isomigrastatin and congener glutarimide antibiotics

K Micoine, P Persich, J Llaveria… - … A European Journal, 2013 - Wiley Online Library
Lactimidomycin (1) was described in the literature as an exquisitely potent cell migration
inhibitor. Encouraged by this claim, we developed a concise and scalable synthesis of this …

Twofold π-Extension of Polyarenes via Double and Triple Radical Alkyne peri-Annulations: Radical Cascades Converging on the Same Aromatic Core

E Gonzalez-Rodriguez, MA Abdo… - Journal of the …, 2020 - ACS Publications
A versatile synthetic route to distannyl-substituted polyarenes was developed via double
radical peri-annulations. The cyclization precursors were equipped with propargylic OMe …

Total Synthesis of Disciformycin A and B: Unusually Exigent Targets of Biological Significance

Y Kwon, S Schulthoff, QM Dao, C Wirtz… - … –A European Journal, 2018 - Wiley Online Library
The first total synthesis of the potent antibiotic disciformycin B (2) is described, which is
exceptionally isomerization‐prone and transforms into disciformycin A (1) even under …