Chiral hypervalent iodines: active players in asymmetric synthesis

A Parra - Chemical reviews, 2019 - ACS Publications
Asymmetric organocatalytic oxidations have been witnessed to an impressive development
in the last years thanks to the establishment of important chiral hypervalent iodines (III/V) …

New developments of the principle of vinylogy as applied to π-extended enolate-type donor systems

C Curti, L Battistini, A Sartori, F Zanardi - Chemical reviews, 2020 - ACS Publications
The principle of vinylogy states that the electronic effects of a functional group in a molecule
are possibly transmitted to a distal position through interposed conjugated multiple bonds …

Remote stereocontrol with azaarenes via enzymatic hydrogen atom transfer

M Li, W Harrison, Z Zhang, Y Yuan, H Zhao - Nature Chemistry, 2024 - nature.com
Strategies for achieving asymmetric catalysis with azaarenes have traditionally fallen short
of accomplishing remote stereocontrol, which would greatly enhance accessibility to distinct …

Advances in Organocatalytic 1, 6‐Addition Reactions: Enantioselective Construction of Remote Stereogenic Centers

P Chauhan, U Kaya, D Enders - Advanced Synthesis & …, 2017 - Wiley Online Library
Abstract Due to the competing 1, 4‐addition reactions and the distance from the chirality
information, the construction of a remote stereogenic center via 1, 6‐addition reactions is …

Prevalence of diarylprolinol silyl ethers as catalysts in total synthesis and patents

GJ Reyes-Rodríguez, NM Rezayee… - Chemical …, 2019 - ACS Publications
Diarylprolinol silyl ethers are among the most utilized stereoselective organocatalysts for the
construction of complex molecules. With their debut in 2005, these catalysts have been …

Intertwining Olefin Thianthrenation with Kornblum/Ganem Oxidations: Ene‐type Oxidation to Furnish α, β‐Unsaturated Carbonyls

P Angyal, AM Kotschy, Á Dudás, S Varga… - Angewandte …, 2023 - Wiley Online Library
A widely applicable, practical, and scalable synthetic method for efficient ene‐type double
oxidation of alkenes is reported via a two‐step alkenyl thianthrenium umpolung/Kornblum …

Gold (III)‐Catalyzed Site‐Selective and Divergent Synthesis of 2‐Aminopyrroles and Quinoline‐Based Polyazaheterocycles

Z Zeng, H **, M Rudolph, F Rominger… - Angewandte Chemie …, 2018 - Wiley Online Library
A facile, site‐selective, and divergent approach to construct 2‐aminopyrroles and quinoline‐
fused polyazaheterocycles enabled by a simple gold (III) catalyst from ynamides and …

Revealing the similarities of α, β‐unsaturated iminiums and acylazoliums in organocatalysis

A Ghosh, AT Biju - Angewandte Chemie International Edition, 2021 - Wiley Online Library
The secondary amine‐catalyzed reactions proceeding via α, β‐unsaturated iminiums and
the N‐heterocyclic carbene (NHC)‐catalyzed transformations taking place via α, β …

Sterically Hindered and Deconjugative α‐Regioselective Asymmetric Mannich Reaction of Meinwald Rearrangement‐Intermediate

J Xu, Y Song, J Yang, B Yang, Z Su… - Angewandte Chemie …, 2023 - Wiley Online Library
Compared to γ‐addition, the α‐addition of α‐branched β, γ‐unsaturated aldehydes faces
larger steric hindrance and disrupts the π–π conjugation, which might be why very few …

N-Heterocyclic Carbene-Catalyzed Remote Enantioselective C–C Bond Formation via 1,6-Addition with Formyl Enynes

X Peng, Y Huang, W Wang, S Li, G Hao, S Ren… - ACS …, 2024 - ACS Publications
N-Heterocyclic carbenes (NHCs) have emerged as powerful organocatalysts in controlling
the stereoselectivities of the reaction sites that are remote from the catalyst-binding position …