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 …

Radical cascade cyclization of 1, n-enynes and diynes for the synthesis of carbocycles and heterocycles

J Xuan, A Studer - Chemical Society Reviews, 2017 - pubs.rsc.org
Carbo-and heterocycles are widely found in natural products, biologically active structures,
medicinally relevant compounds, and in many other fine chemicals. The development of …

Recent advances in cascade radical cyclization of radical acceptors for the synthesis of carbo-and heterocycles

J Liao, X Yang, L Ouyang, Y Lai, J Huang… - Organic Chemistry …, 2021 - pubs.rsc.org
Cascade radical cyclization is an attractive synthetic method due to its high atom-and step-
economy to construct carbo-and heterocycles, which have wide applications in chemical …

Catalytic arylsulfonyl radical-triggered 1, 5-enyne-bicyclizations and hydrosulfonylation of α, β-conjugates

ZZ Chen, S Liu, WJ Hao, G Xu, S Wu, JN Miao… - Chemical …, 2015 - pubs.rsc.org
A catalytic bicyclization reaction of 1, 5-enynes anchored by α, β-conjugates with arylsulfonyl
radicals generated in situ from sulfonyl hydrazides has been established using TBAI (20 …

Inverse α-Effect as the Ariadne's Thread on the Way to Tricyclic Aminoperoxides: Avoiding Thermodynamic Traps in the Labyrinth of Possibilities

IA Yaremenko, YY Belyakova, PS Radulov… - Journal of the …, 2022 - ACS Publications
Stable tricyclic aminoperoxides can be selectively assembled via a catalyst-free three-
component condensation of β, δ′-triketones, H2O2, and an NH-group source such as …

Photocatalytic Reaction of Aryl Halides with Tin (II) Acetate to Generate Arylstannane (IV) Reagents

AA Zemtsov, VI Supranovich, VV Levin… - ACS Catalysis, 2023 - ACS Publications
Aromatic organotin (IV) compounds are a valuable class of reagents widely used in cross-
coupling reactions. However, the toxicity of the most popular tributyl-substituted …

Metal‐Free Radical 5‐exo‐dig Cyclizations of Phenol‐Linked 1,6‐Enynes for the Synthesis of Carbonylated Benzofurans

M Hu, RJ Song, JH Li - Angewandte Chemie International …, 2015 - Wiley Online Library
A new metal‐free radical 5‐exo‐dig cyclization of phenol‐linked 1, 6‐enynes with O2, 2, 2,
6, 6‐tetramethyl‐1‐piperidinyloxy (TEMPO), and tBuONO is described. With this general …

Arylsulfonyl radical triggered 1, 6-enyne cyclization: synthesis of γ-lactams containing alkenyl C–X bonds

X Cao, X Cheng, J Xuan - Organic letters, 2018 - ACS Publications
Cascade radical cyclization of 1, 6-enynes for the synthesis of biologically important γ-
lactams containing alkenyl C–X bonds is reported. In these radical cascade processes, three …

1, 3-Dien-5-ynes: versatile building blocks for the synthesis of carbo-and heterocycles

E Aguilar, R Sanz, MA Fernandez-Rodriguez… - Chemical …, 2016 - ACS Publications
1, 3-Dien-5-ynes have been extensively used as starting materials for the synthesis of a
wide number of different carbo-and heterocycles. The aim of this review is to give an …

Isonitriles as stereoelectronic chameleons: The donor–acceptor dichotomy in radical additions

GP Gomes, Y Loginova, SZ Vatsadze… - Journal of the …, 2018 - ACS Publications
Radical addition to isonitriles (isocyanides) starts and continues all the way to the transition
state (TS) mostly as a simple addition to a polarized π-bond. Only after the TS has been …